Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV01 ...

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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV01 Component AC servo motor (1st stage) No. of tested components 1 Classification 3 1. Major Specifications - Supplier: Yasukawa Electric Co. - Rated power: 100W - Rated torque: 5.4kgf-cm - Rated speed: 1,800rpm - Power rate: 0.3kW/s - Rotor inertia moment: 9.6 gf-cm-s2 - Type of position sensor: Resolver - Dimensions: 260mm in dia x 130mm in length - Weight: 15kgf - Electric insulation material: Stator coil (ceramics (SiO2)), Resolver coil (ceramics (SiO2)) - Lubricant of ball bearing: Radiation hard synthetic grease Manufacturer Yasukawa Electric Co./2-1 Kurosaki-Shiroishi Yahatanishi-Ku /Address Kitakyushu Fukuoka 806-0004 Japan, Phone +81-93-645-8800, Fax +81-93-631-8837 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Motor voltage & current: Under irradiation (2) Temperature (stator coil, ball bearings): Under irradiation (3) Dismantling inspection: After irradiation 4. Accumulation Doses 67MGy 5. Acceptance Doses 40 ~ 50MGy 6. Results (1) Rotation shaft sticked due to hardening of the grease lubricant in the ball bearings. (2) Electric characteristics were not change after irradiation. (3) Total running time is 4,475 hr. 7. Reference Data Sheet - S1-DV01-1 Main specifications of the 1st stage AC servo motor and appearance of the motor installed in the gamma irradiation cell. - S1-DV01-2 Characteristics change of the motor under irradiation. - S1-DV01-3 Appearance of the motor parts after the irradiation test.

Radiation Hardness Manual

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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV02 Component AC servo motor (2nd stage) No. of tested components 1 Classification 3 1. Major Specifications - Supplier: Yasukawa Electric Co. - Rated power: 100W - Rated torque: 5.3kgf-cm - Rated speed: 1,800rpm - Power rate: 0.85kW/s - Rotor inertia momen : 4.3gf-cm-s2 - Type of position sensor: Resolver - Dimensions: 98mm in dia x 175mm in length - Weight: 6.2kgf - Electric insulation material: Stator coil (ceramics (SiO2)), Resolver coil (ceramics (SiO2)) - Lubricant of ball bearing: Self lublicating alloy (Cu-W) type retainer Manufacturer Yasukawa Electric Co./2-1 Kurosaki-Shiroishi Yahatanishi-Ku /Address Kitakyushu Fukuoka 806-0004 Japan, Phone +81-93-645-8800, Fax +81-93-631-8837 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Vacuum 3. Measurement Items & Acquisition Period (1) Motor voltage & current: Under irradiation (2) Temperature (stator coil, ball bearings): Under irradiation (3) Dismantling inspection: After irradiation 4. Accumulation Doses 65MGy 5. Acceptance Doses 55MGy 6. Results (1) The motor was troubled by abrasion and breakage of the retainers in the bearings. (2) Total running time is 4,800 hr corresponding to doses of 61 MGy. 7. Reference Data Sheet - S1-DV02-1 Main specifications of the 2nd stage motor and appearance of the motor installed in the gamma irradiation cell. - S1-DV02-2 Characteristics change of the motor under irradiation. - S1-DV02-3 Appearance of the damaged bearings after the irradiation test.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV03 Component AC servo motor (3rd stage) No. of tested components 1 Classification 3 1. Major Specifications - Supplier: Yasukawa Electric Co. - Rated power: 462W - Rated torque: 15kgf-cm - Rated speed: 3,000rpm - Power rate: 29.3kW/s - Rotor inertia momen: 0.73gf-cm-s2 - Type of position sensor: Resolver - Dimensions: 80mm in dia x 211mm in length - Weight: 5kgf - Electric insulation material: Stator coil (ceramics (SiO2)), Resolver coil (polyimide) - Lubricant of ball bearing: Self lublicating alloy (Cu-W) type retainer Manufacturer Yasukawa Electric Co./2-1 Kurosaki-Shiroishi Yahatanishi-Ku /Address Kitakyushu Fukuoka 806-0004 Japan, Phone +81-93-645-8800, Fax +81-93-631-8837 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Vacuum 3. Measurement Items & Acquisition Period (1) Motor voltage & current: Under irradiation (2) Temperature (stator coil, ball bearings): Under irradiation (3) Dismantling inspection: After irradiation 4. Accumulation Doses 11MGy 5. Acceptance Doses 10MGy 6. Results (1) The motor was troubled by abrasion and breakage of the retainers in the bearings. (2) Total running time is 1,074 hr corresponding to doses of 11 MGy. 7. Reference Data Sheet - S1-DV03-1 Main specifications and overview of the 3rd stage AC servo motor. - S1-DV03-2 Compare the dimensions of each stage's AC servo motor. - S1-DV03-3 Characteristics change of the motor under irradiation. - S1-DV03-4 Appearance of the damaged bearings after the irradiation test.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV04 Component Induction motor No. of tested components 1 Classification 3 1. Major Specifications - Supplier: Hitachi Works Co. - Rated power: 400W - Rated torque: 27kgf-cm - Rated speed: 1,500rpm - Dimensions: 130mm in dia x 225mm in length - Weight: 10kgf - Electric insulation material: Stator coil (polyimide) - Lubricant of ball bearing: Radiation hard synthetic grease Manufacturer Hitachi Ltd./4-6 Kandasurugadai Chiyoda-ku Tokyo 101-8010 /Address Japan, Tel +81-3-3258-1111 2. Irradiation Conditions Facility No. 1 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 5.E+05 Temperature 200 _C Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Motor voltage & current: Under irradiation (2) Temperature (stator coil, ball bearings): Under irradiation (3) Dismantling inspection: After irradiation 4. Accumulation Doses 11.5MGy 5. Acceptance Doses 10MGy 6. Results (1) Rotation shaft sticked due to hardening of the grease lubricant in the ball bearings. (2) Electric characteristics were not change after irradiation. (3) Total running time is 2,000 hr corresponding to doses of 10MGy. (4) The test will be continued up to 100 MGy after changed a new bearing. 7. Reference Data Sheet - S1-DV04-1 Overview of the induction motor and irradiation chamber. - S1-DV04-2 Characteristics change of the motor under irradiation.


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Subtask 1 (Robotics) Sheet No. S1-DV05 Four kinds of radiation hard grease lubricants (GS-1, GS-4, GS-7, GS-13-2) No. of tested components 4x5samples Classification 2 1. Major Specifications - Supplier: Matsumura Oil Research Co. - Identification name: GS-1, GS-4, GS-7, GS-13-2 - Composition of base oil (1) GS-1: di-alkyl-tetra-phenylether (R2-4P2E) (2) GS-4: tetra-phenylether (4P2E) (3) GS-7: R2-4P2E + penta-phenylether (5P4E) (4) GS-13-2: 4P2E + mono-alkyl-tetra-phenyl-ether (R-4P2E) - Thickener & others Bentonite, Powdered MoS2, Antioxidant Manufacturer Matsumura Oil Research Co./5-5-3 Minatojima-minamimachi Chuo/Address ku Kobe-city Hyogo 650-0047 Japan, Phone +81-78-303-9010, Facsimile+81-78-303-9020 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Weight loss at 150 C in vacuum (10-4 Pa): Before irradiation (2) Penetration: After irradiation (3) Withstanding load by Block on Ring Method*: After irradiation * Test conditions Temperature: 150 C Atmsphere: Vacuum (up to 10Pa) Rotation speed: 100rpm Applied load: 20 lbs/min 4. Accumulation Doses 49.7MGy 5. Acceptance Doses 49.7MGy 6. Results (1) The grease harden in the order of GS-1, GS-7, GS-13-2 and GS-4 after irradiation. (2) On the results of withstanding load test, the load of GS-4 and GS-13-2 after the irradiation of 10 MGy are little change compared brfore irradiation. (3) Weight loss of GS-4 at temperature of 150 C in vacuum, is very large compared with others. 7. Reference Data Sheet - S1-DV05-1 Appearance of grease lubricants in the irradiation cell. - S1-DV05-2 Characteristics change of the grease lubricants before and after irradiation. Subtask Name Component


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV06 Component Ball bearing with thermoplasticity polyimide retainer (Type A) No. of tested components 8 Classification 2 1. Major Specifications - Supplier: Yasukawa Electric Co. - Identification name: Type A - Type of the bearing: Angular type with shield plate - Dimensions: 42mm in out. dia. x 20mm in dia. x 12mm t - Basic dynamic (C) & static (Co) load rating: C (765.9 kgf), Co (362.9 kgf) - Material of retainer: Thermoplasticity polyimide (AURAMTR) - Solid lubricant: MoS2 Manufacturer Yasukawa Electric Co./2-1 Kurosaki-Shiroishi Yahatanishi-Ku /Address Kitakyushu Fukuoka 806-0004 Japan, Phone +81-93-645-8800, Fax +81-93-631-8837 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 6.E+05 Temperature Ambient Humidity Ambient Atmosphere Vac/Air 3. Measurement Items & Acquisition Period (1) Applied load conditions Rotation speed: 1,500rpm, Pre-compression: 6.75kgf (2) Motor voltage & current: Under irradiation (3) Bearing temperature: Under irradiation (4) Presuure in the test chamber: Under irradiation 4. Accumulation Doses 0.52MGy 5. Acceptance Doses TBDMGy 6. Results (1) Two pairs of bearings were irradiated at R. T. (ambient temp.) in vacuum, and one pair of bearing was tested at R. T. in vacuum without the irradiation. (2) Total running time of irradiated bearings and non-irradiated bearing is about 70 hr and 402 hr, respectively. (3) The bearings were troubled by abrasion of the retainer and this result showed that gamma-ray has direct effect on deterioration of the retainer material. 7. Reference Data Sheet - S1-DV06-1 Overall structure of tested bearings and the test stand. - S1-DV06-2 Appearance of bearing test stand. - S1-DV06-3 Running test results of the Type A ball bearings. - S1-DV06-4 Characteristics change of the Type A ball bearing s under irradiation in vacuum. - S1-DV06-5 Characteristics change of the Type A ball bearings under non-irradiation in vacuum. - S1-DV06-6 Appearance of the Type A bearing after irradiation.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV07 Component Ball bearing with thermosetting polyimide retainer (Type B) No. of tested components 8 Classification 2 1. Major Specifications - Supplier: Yasukawa Electric Co. - Identification name: Type B - Type of the bearing: Angular type with shield plate - Dimensions: 42 mm in out. dia. x 20 mm in dia. x 12 mm t - Basic dynamic (C) & static (Co) load rating : C (765.9 kgf), Co (362.9 kgf) - Material of retainer: Thermosetting polyimide (VESPELTR) - Solid lubricant: MoS2 Manufacturer Yasukawa Electric Co./2-1 Kurosaki-Shiroishi Yahatanishi-Ku /Address Kitakyushu Fukuoka 806-0004 Japan, Phone +81-93-645-8800, Fax +81-93-631-8837 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 6.E+05 Temperature Ambient Humidity Ambient Atmosphere Vac/Air 3. Measurement Items & Acquisition Period (1) Applied load conditions Rotation speed: 1,500rpm, Pre-compression: 6.75kgf (2) Motor voltage & current: Under irradiation (3) Bearing temperature: Under irradiation (4) Presuure in the test chamber: Under irradiation 4. Accumulation Doses 0.38MGy 5. Acceptance Doses TBDMGy 6. Results (1) Two pairs of bearings were irradiated at R. T. (ambient temp.) in vacuum, and one pair of bearing was tested at R. T. in vacuum without the irradiation. (2) Total running time of irradiated bearings and non-irradiated bearing is about 63 hr and 670 hr, respectively. (3) The bearings were troubled by abrasion of the retainer and this result showed that gamma-ray has direct effect on deterioration of the retainer material. (4) There is no large difference between the thermoplasticity polyimide and thermosetting polyimide retainers. 7. Reference Data Sheet - S1-DV07-1 Running test results of the Type B ball bearings. - S1-DV07-2 Characteristics change of the Type B ball bearing s under irradiation in vacuum. - S1-DV07-3 Characteristics change of the Type B ball bearings under non-irradiation in vacuum.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV08 Component Ball bearing with polyether-ether-ketone (PEEK) retainer (Type C) No. of tested components 8 Classification 2 1. Major Specifications - Supplier: Yasukawa Electric Co. - Identification name: Type C, - Type of the bearing: Angular type with shield plate, - Dimensions (mm): 42 in out. dia. x 20 in dia. x 12 t, - Basic dynamic (C) & static (Co) load rating: C (765.9 kgf), Co (362.9 kgf), - Material of retainer: Polyether-ether-ketone (PEEK), - Solid lubricant: MoS2 Manufacturer Yasukawa Electric Co./2-1 Kurosaki-Shiroishi Yahatanishi-Ku /Address Kitakyushu Fukuoka 806-0004 Japan, Phone +81-93-645-8800, Fax +81-93-631-8837 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 6.E+05 Temperature Ambient Humidity Ambient Atmosphere Vac/Air 3. Measurement Items & Acquisition Period (1) Applied load conditions, Rotation speed: 1,500rpm, Pre-compression: 6.75kgf (2) Motor voltage & current: Under irradiation. (3) Bearing temperature: Under irradiation (4) Presuure in the test chamber: Under irradiation 4. Accumulation Doses 3.09MGy 5. Acceptance Doses TBDMGy 6. Results (1) Two pairs of bearings were irradiated at R.T. (ambient temp.) in vacuum, and one pair of bearing was tested at R.T. in vacuum without the irradiation. (2) One pair of bearing were irradiated at R.T. (ambient temp.) in air, and one pair of bearing was tested at R. T. in air without the irradiation. (3) There is large difference in running time between the two pairs bearings which were irradiated in vacuum. One side is 530hr and the other is 155hr. (4) Total running time of irradiated bearings and non-irradiated bearing is about 63hr and 670hr, respectively. (5) The bearings were troubled by abrasion of the retainer and this result showed that gamma-ray has direct effect on deterioration of the retainer material. (6) There is no large difference between the thermoplasticity polyimide and thermosetting polyimide retainers. 7. Reference Data Sheet - S1-DV08-1 Running test results of the Type C bearings. - S1-DV08-2 Characteristics change of the Type C bearings under irradiation in vacuum. - S1-DV08-3 Characteristics change of the Type C bearings under non-irradiation in vacuum.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV09 Component Ball bearing with self lubricating alloy retainer (Type D) No. of tested components 8 Classification 2 1. Major Specifications - Supplier: Yasukawa Electric Co. - Identification name: Type D - Type of the bearing: Angular type with shield plate - Dimensions: 42 mm in out. dia. x 20 mm in dia. x 12 mm t - Basic dynamic (C) & static (Co) load rating: C (765 kgf), Co (360 kgf) - Material of separater: Self lubricating alloy (W-Cu) (SL-60UTM) - Solid lubricant : MoS2 Manufacturer Yasukawa Electric Co./2-1 Kurosaki-Shiroishi Yahatanishi-Ku /Address Kitakyushu Fukuoka 806-0004 Japan, Phone +81-93-645-8800, Fax +81-93-631-8837 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 6.E+05 Temperature Ambient Humidity Ambient Atmosphere Vac/Air 3. Measurement Items & Acquisition Period (1) Applied load conditions, Rotation speed: 1,500rpm, Pre-compression: 6.75 kgf, (2) Motor voltage & current: Under irradiation, (3) Bearing temperature: Under irradiation, (4) Presuure in the test chamber: Under irradiation 4. Accumulation Doses 3.03MGy 5. Acceptance Doses TBDMGy 6. Results (1) Two pairs of bearings were irradiated at R.T. (ambient temp.) in vacuum, and one pair of bearing was tested at R. T. in vacuum without the irradiation. (2) Two pairs of bearings were irradiated at R.T. (ambient temp.) in air, and two pairs of bearings were tested at R.T. in air without the irradiation. (3) There is no large difference in running time under irradiation between the vacuum and the air environmental conditions. (4) Running time under non-irradiation in spite of air or vacuum conditions is very long than the running time under irradiation. (5) On the whole, the performanc of the Type D bearing is better than the Type A, B and C. 7. Reference Data Sheet - S1-DV09-1 Running test results of the Type D bearings. - S1-DV09-2 Characteristics change of the Type D bearings under irradiation in vacuum. - S1-DV09-3 Characteristics change of the Type D bearings under non-irradiation in vacuum. - S1-DV09-4 Characteristics change of the Type D bearings under irradiation in air. - S1-DV09-5 Characteristics change of the Type D bearings under non-irradiation in air.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV10 Component Ball bearing with SS310 sintered alloy retainer (Type E) No. of tested components 8 Classification 2 1. Major Specifications - Supplier: Yasukawa Electric Co. - Identification name: Type E - Type of the bearing: Angular type with shield plate - Dimensions: 42 mm in out. dia. x 20 mm in dia. x 12 mm t - Basic dynamic (C) & static (Co) load rating: C (760 kgf), Co (360 kgf) - Material of separater: SS310 sintered alloy (DEITZTM) - Solid lubricant: MoS2 Manufacturer Yasukawa Electric Co./2-1 Kurosaki-Shiroishi Yahatanishi-Ku /Address Kitakyushu Fukuoka 806-0004 Japan, Phone +81-93-645-8800, Fax +81-93-631-8837 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 6.E+05 Temperature Ambient Humidity Ambient Atmosphere Vac/Air 3. Measurement Items & Acquisition Period (1) Applied load conditions, Rotation speed:1,500rpm, Pre-compression: 6.75kgf (2) Motor voltage & current: Under irradiation, (3) Bearing temperature: Under irradiation, (4) Presuure in the test chamber: Under irradiation 4. Accumulation Doses 16.4MGy 5. Acceptance Doses TBDMGy 6. Results (1) Two pairs of bearings were irradiated at R.T. (ambient temp.) in vacuum, and one pair of bearing was tested at R.T. in vacuum without the irradiation. (2) Two pairs of bearings were irradiated at R.T. (ambient temp.) in air, and two pairs of bearings were tested at R.T. in air without the irradiation. (3) On the whole, the running time of the Type E bearings is the longest compared with other type bearings. (4) Running time in vacuum regardless of irradiation or non-irradiation is clearly longer than the running time in air environmental condition. (5) Total performances of the Type E bearing are better than the Type D bearing. 7. Reference Data Sheet - S1-DV10-1 Running test results of the Type E ball bearings. - S1-DV10-2 Characteristics change of the Type E ball bearings under irradiation in vacuum. - S1-DV10-3 Characteristics change of the Type E ball bearings under non-irradiation in vacuum. - S1-DV10-4 Characteristics change of the Type E ball bearings under irradiation in air. - S1-DV10-5 Characteristics change of the Type E ball bearings under non-irradiation in air.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV11 Component Ball bearing with ceramics balls (Type F) No. of tested components 6 Classification 2 1. Major Specifications - Supplier : Kohyo Seiko Co. - Identification name : Type F - Type of the bearing : Angular type without shield plate and retainer/separater - Dimensions : 42 mm in out. dia. x 20 mm in dia. x 12 mm t - Basic dynamic (C) & static (Co) load rating : C (1,130 kgf), Co (485 kgf) - Material of balls : Ceramics (SiN) - Solid lubricant : MoS2 coated on SS Manufacturer Kohyo Seiko Co./5-8 Minamisemba 3-Chome Chuo-ku Osaka 542/Address 8502 Japan 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 6.E+05 Temperature Ambient Humidity Ambient Atmosphere Vac/Air 3. Measurement Items & Acquisition Period (1) Applied load conditions Rotation speed: 1,500rpm, Pre-compression: 6.75kgf (2) Motor voltage & current: Under irradiation (3) Bearing temperature: Under irradiation (4) Presuure in the test chamber: Under irradiation 4. Accumulation Doses 11.6MGy 5. Acceptance Doses TBDMGy 6. Results (1) Three pairs of bearings were irradiated at R.T. (ambient temp.) in vacuum, and one pair of bearing was tested at R.T. in vacuum without the irradiation. (2) Running time in vacuum regardless of irradiation or non-irradiation varys widely, in addition, this type bearing is relatively not handy. 7. Reference Data Sheet - S1-DV11-1 Running test results of the Type F ball bearings. - S1-DV11-2 Characteristics change of the Type F ball bearing s under irradiation in vacuum. - S1-DV11-3 Characteristics change of the Type F ball bearings under non-irradiation in vacuum.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV12 Component Reduction gear box (Harmonic DriveTM) No. of tested components 24 Classification 1 1. Major Specifications - Supplier: Harmonic Drive Systems Inc. - Type: CS-8-50-1U-SP, - Reduction ratio:1/50, - Rated torque: 15kgf-m Rated input rotation speed: 3,500rpm, Momentary allowable torque: 27 kgf-m, - Allowable input rotation speed: 6,000 rpm, - Dimensions: 33 mm in dia. x 76 mm in length - Weight: 125 gf, - Materials: Housing (Al alloy), Flex spline (Ni-Cr-Mo steel), Circular spline (carbon steel), Wave generator (carbon steel), - Tested lubricant (grease): SK-2 (standard type), GK1 (radiation hard type) Manufacturer Harmonic Drive Systems Inc./6-25-3 Minami Oi Shinagawa-ku /Address Tokyo Japan, Phone +81-3-5471-7800, Fax: +81-3-5471-7811 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Characteristics change of the Harmonic Drives - Starting torque: Before & After irradiation, - Lost motion: Before & After irradiation, - Loadless running torque: Before & After irradiation, - Efficiency: Before & After irradiation (2) Characteristics change of the grease - Viscosity: Before & After irradiation, - Molecular weight: Before & After irradiation, - Free acid: Before & After irradiation 4. Accumulation Doses 30 (SK-2) 5. Acceptance Doses 30 (SK-2) 40 (GK25 (GK1)MGy 1)MGy 6. Results (1) Characteristics change of the Harmonic Drives depend on the characteristics change of the grease lubricants. (2) Starting torque of the Harmonic drives, which was used the GK-1 grease, increased rapidly after accumulation dose of 25MGy. This is due to the hardening of the grease. (3) The SK-2 grease leaked through the housing just after irradiation beginning. This is caused by the softening of the grease contrary to the GK-1 grease. 7. Reference Data Sheet - S1-DV12-1 Overall structure and mechanism of Harmonic Drive - S1-DV12-2 Overview and layout of Harmonic Drives in the irradiation cell. - S1-DV12-3 Characteristics change of the Harmonic Drives after irradiation.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV-13 Component Grease lubricant (RG-42-1) No. of tested components 1kind x 13samples Classification 2 1. Major Specifications - Supplier: Matsumura Oil Research Co. - Base oil composition: tetra-phenylether - Thickener : Bentonite - Original penetration: 325 - Original oil separation: under 4% - Original dropping point: over 300deg. C - Original free acid: 0.0% Manufacturer Matsumura Oil Research Co./5-5-3, Minatojima, Minami-machi, /Address Chuo-ku, Kobe-shi, Hyougo, 650-0047 Japan Phone +81-78-303-9010, Fax +81-78-303-9020 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Penetration: After irradiation (2) Dropping point: After irradiation (3) Oil separation: After irradiation (4) Free acid: After irradiation 4. Accumulation Doses 120MGy 5. Acceptance Doses 50-60MGy 6. Results (1) The penetration softens up in proportion to accumulation dose up to 40MGy, after that, hardened. (2) The oil separation increased drasticcally at accumulation dose of 50MGy. The oil separation value change is considered to be one proof as an index of deterioration. (3) The value is estimated in the range of 25-30%. 7. Reference Data Sheet Table 1: Specifications, Fig. 1: Screening test results, Fig. 2 and 3: Characteristic changes after irradiation up to 120 MGy, Fig. 4. 1 and 4. 2: Penetration measurement method based on the JIS K2220.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV-14 Component Small-sized radiation hard AC servo motor No. of tested components 2 Classification 2 1. Major Specifications - Supplier: Yoshikawa Co.(agency of Chiba Seimitsu Co.) - Rated power: 6W - Rated torque: 100gf-cm - Rated speed: 6,000rpm - Gear ratio: 1/64 - Output torque: 6kgf-cm - Structural material: SS - Magnet: Nd-Fe-B - Lubricant: G-42-1 - Electric insulator: Polyimide (motor, resolver) - Dimensions: 25mm in dia x 100mm in length Manufacturer Yoshikawa Co./19-8-1007, Akane-cho, Koshigaya-shi, Saitama-ken, /Address 343-0843 Japan, Phone +81-489-61-3660, Fax +81-489-86-7565 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Motor current: Under irradiation (2) Temperature (housing surface): Under irradiation (3) Dismantling inspection: After irradiation (electric/mechanical checks, analysis of grese) 4. Accumulation Doses 60, 63MGy 5. Acceptance Doses 60MGy 6. Results (1) The motor stopped due to hardening of the grease lubricant used in the reduction gear box and ball bearings. (2) No special abnormality was recognized after the electric/mechanical checks. (3) The grease discolored by wear powder contaminated. 7. Reference Data Sheet Fig. 5: Appearance of conventional motor, Fig. 6: Torque vs. Rotational Speed of motor, Fig. 7: Configuration of tested motor, Fig. 8: Appearance of tested motor, Fig. 9: Motor current changes under irradiation, Fig. 10 : Trend graph, Fig. 12: Rsolver coils after irradiation, Table 2 and 3: Electric/Mechanical checks after irradiation, Fig. 13: Gear box and ball bearings after irradiation, Table 4 and Fig. 14: Analysis results of the grease after irradiation.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-DV-15 Component Combined equipment (A joint of robot arm) No. of tested components 1 Classification 3 1. Major Specifications - Supplier: Toshiba Co. - This equipment was fabricated by many radiation hard parts assembled. - Main structural materials: SS, Polyimide resin, Ceramics - AC servo motor: rated power 30W, rated speed 1,000rpm - Reduction gear box: HarmonicDrive CSF-17-100, gear ratio 1/100 - Position sensor: Resolver RHVCHT-EMR 57 (Enpire magnetics Co.) - Lubricant: RG-42-1 - Dummy load: 8kgf - Type of position sensor: Resolver - Dimensions: 100mm in width x 100mm in length x 500mm in height Manufacturer Toshiba Co./1-1-1 shibaura, Minato-ku, Tokyo 105-8001 Japan, /Address Phone +81-120-131100, Fax +81-3-5444-9403 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1E06(max.) 5E05(mean.) Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Motor voltage & current: Under irradiation (2) Temperature (stator coil, ball bearings): Under irradiation (3) Dismantling inspection: After irradiation ( under testing) 4. Accumulation Doses 30 ( u n d e r 5. Acceptance Doses >30 testing)MGy (TBD)MGy 6. Results - The irradiation test is expected to continue up to accumulation dose of 100MGy. 7. Reference Data Sheet Fig. 16: Arrangement of the equipment, Fig. 18: Configuration of the equipment, Fig. 19: Appearance of the equipment in the cell, Fig. 21: Motor current and temperature changes under irradiation, Fig. 22: Trend graph, Fig. 24: Appearance of the equipment at accumulation dose of 7MGy.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS01 Component Potentiometer (Wirewound type) No. of tested components 1 Classification 1 1. Major Specifications - Supplier: Midori Sokki Co. - Type: CP-4M - Input resistance: 1k ohm - Rotational range: 350deg. - Linearity: +/- 0.5% - Torque: 8gf-m - Dimensions: 36.5mm in out. dia. x 20.5mm in length - Weight: 50gf - Main materials: Al alloy, Cu, Ni, Fe Manufacturer Midori Sokki Co./2-17-1 Kunimine-machi Chofu-shi Tokyo-to 182/Address 0022 Japan, TEL +81-424-86-1211, Fax +81424-81-1800 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 9.E+05 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Amplitude of cycric rotational motion : Under irradiation 4. Accumulation Doses 14.3MGy 5. Acceptance Doses 0.14MGy 6. Results (1) Amplitude was drifted after 15 hr from the beginning of the irradiation and after 58 hr, the amplitude became zero level. (2) This trouble is assumed that it is due to a damage of actuator in the potentiometer. 7. Reference Data Sheet - S1-SS01-1 Layout of some kinds of position sensors in the irradiation cell. - S1-SS01-2 Outline of the wirewound type potentio meter. - S1-SS01-3 Irradiation test results of the wirewound type potentiometer.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS02 Component Potentiometer (Wirewound type) No. of tested components 5 Classification 1 1. Major Specifications - Supplier: Midori Sokki Co. - Type: CP-4M - Input resistance: 1k ohm - Rotational range: 350deg. - Linearity: +/- 0.5% - Torque: 8gf-m - Dimensions: 36.5mm in out. dia. x 20.5mm in length - Weight: 50gf - Main materials: Al alloy, Cu, Ni, Fe Manufacturer Midori Sokki Co./2-17-1 Kunimine-machi Chofu-shi Tokyo-to 182/Address 0022 Japan, TEL +81-424-86-1211, Fax +81424-81-1800 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Output voltage of cycric rotational motion : Under irradiation 4. Accumulation Doses 8.22MGy 5. Acceptance Doses 3MGy 6. Results (1) Five potentiometers were tested simultaneously. Appearance of output voltage change and durable time are different in every potentiometer. (2) Rotational trouble was not occured in this test. It is assumed that the reason is caused by testing in nitrogen gas environment. 7. Reference Data Sheet - S1-SS02-1 Layout of five potentiometers set in the test chamber. - S1-SS02-2 Irradiation test results of the potentiometers


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS03 Component Potentiometer (Magnet resistive type) No. of tested components 1 Classification 1 1. Major Specifications - Supplier: Midori Sokki Co. - Type: CP-2URBM - Resistance: 15k ohm - Rotational range: +/- 45deg. - Linearity : +/- 1.5 % F.S. - Torque: 5gf-m - Dimensions: 30mm in out. dia. x 100mm in length - Weight: 50 gf - Main materials: Al alloy, Cu, Ni, Fe Manufacturer Midori Sokki Co./2-17-1 Kunimine-machi Chofu-shi Tokyo-to 182/Address 0022 Japan, TEL +81-424-86-1211, Fax +81424-81-1800 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 9.E+05 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Amplitude of cycric rotational motion : Under irradiation 4. Accumulation Doses 13.5MGy 5. Acceptance Doses 2.5MGy 6. Results (1) Amplitude was drifted after 290 hr from the beginning of the irradiation and after 456 hr, the amplitude became zero level. (2) This trouble is assumed that it is due to a damage of actuator in the potentiometer. 7. Reference Data Sheet - S1-SS03-1 Outline of the magnet resistive type potentiometer. - S1-SS03-2 Irradiation test results of the magnet resistive type potentiometer.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS04 Component Differential transformer (LVDT) No. of tested components 1 Classification 1 1. Major Specifications - Supplier : Shinko Electronics Co. - Type : ST-2 - Exciting frequency: 300kHz - Exciting voltage: 1Vrms - Output: +/- 4V - Input impedance: 200ohm - Linearity range: 10 mm +/- 1% - Dimensions: 12 mm in out. dia. x 87 mm in length - Weight: 100gf - Majot materials: Brass, Epoxy resin, SS Manufacturer Shinko Electronics Co./3-9-11 Yushima Bunkyo-ku Tokyo 113/Address 0034 Japan, Phone+81-3-3835-4577, Fax +81-3-5818-6066 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Amplitude of cycric linear motion : Under irradiation 4. Accumulation Doses 14.9MGy 5. Acceptance Doses 0.2MGy 6. Results (1) Amplitude reduced gradually and the level drastically changed after 247 hr. (2) It is assumed that the trouble is caused by a damage of linear motion mechanism of the LVDT. 7. Reference Data Sheet - S1-SS04-1 Overview of the LVDT and test results.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS05 Component Differential transformer (LVDT) No. of tested components 3 Classification 1 1. Major Specifications - Supplier: Shinko Electronics Co. - Type: ST-2 - Exciting frequency: 300kHz - Exciting voltage: 1Vrms - Output: +/- 4V - Input impedance: 200 ohm - Linearity range: 10mm +/- 1% - Dimensions: 12mm in out. dia. x 87mm in length - Weight: 100gf - Main materials: Brass, Epoxy resin, SS Manufacturer Shinko Electronics Co./3-9-11 Yushima Bunkyo-ku Tokyo 113/Address 0034 Japan, Phone+81-3-3835-4577, Fax +81-3-5818-6066 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Output voltage of cycric linear motion : Under irradiation 4. Accumulation Doses 4.5MGy 5. Acceptance Doses 4.3MGy 6. Results (1) Three LVDTs were irradiated simultaneously in the nitrogen gas environmental test chamber. (2) Output voltage could not be detected after irradiation of 4.5 MGy. 7. Reference Data Sheet - S1-SS05-1 Overview of the LVDT set in the test chamber. - S1-SS05-2 Influene of accumulated dose on output voltage of LVDT


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS06 Component Synchronous resolver No. of tested components 1 Classification 1 1. Major Specifications - Supplier: Minebea Co. - Type: 23BCX-9007-A01 - Frequency: 50/60Hz - Primary voltage: 100V - Secondary voltage: 90V - Input impedance: 700ohm - Dimensions: 57 mm in out. dia. x 127mm in length Manufacturer Minebea Co./Tokyo Head Office /Address 19F Arco Tower 1-8-1 Shimo-Meguro Meguro-ku Tokyo 153-8662 Japan, Phone +81-3-5434-8611, FAX +81-3-5434-8601 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Amplitude of cycric rotational motion : Under irradiation 4. Accumulation Doses 17.7MGy 5. Acceptance Doses 1.8MGy 6. Results (1) The level of amplitude is not constant after irradiation of 1.8MGy. (2) The signal showed zero level at accumulation dose of 1.7MGy. It is assumed that the reason is caused by a damage of rotational mechanism of the resolver. 7. Reference Data Sheet - S1-SS06-1 Overview of the synchronus resolver and test results.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS07 Component Rotary encoder No. of tested components 1 Classification 1 1. Major Specifications - Supplier: Tamagawa Seiki Co. - Type: E6B-CWZ3E - Resolving capability: 10ppr - Output form: Voltage - Responsive frequency: 30kHz - Rising time: 1E-06sec - Torque: 10gf-m - Dimensions: 40mm in out. dia. x 39mm in length Manufacturer Tamagawa Seiki Co./1879 Ohyasumi Iida City Nagano-ken Japan, /Address Phone +81-265-21-1840, Fax +81-265-21-1865 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Output voltage of cycric rotational motion: Under irradiation 4. Accumulation Doses 0.01MGy 5. Acceptance Doses impossibleMGy 6. Results (1) The encoder was troubled just after gamma irradiation. (2) This encoder is probably impossible to use under a dose rate of 106 R/h. 7. Reference Data Sheet - S1-SS07-1 Overview of the rotary encoder.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS08 Component Optical fiber used rotary encoder(prototype) No. of tested components 1 Classification 3 1. Major Specifications - Supplier: Micro Servo Inc. - Type: Prototype - Resolving capability: 10ppr - Output form: Voltage - Dimensions: 50mm in out. dia. x 83mm in length Manufacturer Micro Servo Inc./ /Address 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Output voltage of cycric rotational motion : Under irradiation 4. Accumulation Doses 16.4MGy 5. Acceptance Doses over 16.4MGy 6. Results (1) Output voltage is not change at accumulation dose of 16.4 MGy. 7. Reference Data Sheet - S1-SS08-1 Overview of the optical fiber used rotary encoder.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS09 Component Optical fiber used rotary encoder No. of tested components 1 Classification 1 1. Major Specifications - Supplier: Fujikura Co. - Type: FMI-30-2000 (Incrimental type) - Output: Three phases (A, B, Z) - Type of fiber: Graded-index (non-rad. hard) - Resolving power: 2,000ppr - Rotation speed: 6,000rpm (max.) - Response frequency: 100kHz - Transmission distance: 100m (max.) - Allowable temperature: -10 to 60 C - Dimensions: 40mm in out. dia. x 42mm in length - Weight: 50gf Manufacturer Fujikura Co./5-1-1 kiba koto-ku,Tokyo 135-8512Japan, Phone +81/Address 3-5606-1030, FAX +81-3-5606-1502 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Amplitude of cycric rotational motion : Under irradiation 4. Accumulation Doses 1.4MGy 5. Acceptance Doses 1.1MGy 6. Results (1) The output signal could not be detected after irradiation in ranging from 1.1 MGy to 1.2 MGy. 7. Reference Data Sheet - S1-SS09-1 Overview of the optical fiber used rotary encoder and the test stand. - S1-SS09-2 Irradiation test results of the optical fiber used rotary encoder.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS10 Component Strain gauge(foil type) No. of tested components 1 Classification 1 1. Major Specifications - Supplier: Kyowa Electronic Instruments Co. - Type: KFU (foil type) - Allowable temperature: -196 to 350 C - Gauge element: Ni - Cr - Base: Polyimide / Al2O3 - Adhesive: Polyimide / Al2O3 - Lead wire: Ni coated Cu / Polumer Manufacturer Kyowa Electronic Instruments Co./3-5-1 Chofugaoka Chofu Tokyo /Address 182-8520 Japan, TEL +81-424-88-1111, FAX +81- 424-81-3258 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Strain signal at constant stress: Under irradiation (2) Insulation resistance of lead wire: After irradiation (3) Electric characteristics of gauge: After irradiation (4) Cyclic loading test: After irradiation 4. Accumulation Doses 127MGy 5. Acceptance Doses 80MGy 6. Results (1) The strain signal could not be detected at 24.5 MGy. (2) Insulation resistance of the lead wire after irradiation of 80 MGy showed as follows: - Before irradiation: Infinity, - After irradiation: 0.2-12 Mohm (3) Insulation resistance between the lead wire and gauge base after irradiation of 80 MGy showed as follows: - Before irradiation: 1.6E5 Mohm, - After irradiation: 1.2E4 Mohm (4) Repeatability of strain value in the cyclic loading test is good and the hysteresis showed less than 2 %. 7. Reference Data Sheet - S1-SS10-1 Outline of the foil type gauge and test results. - S1-SS10-2 Details of the foil type gauge before and after irradiation. - S1-SS10-3 Datails of the lead wire. - S1-SS10-4 Cycric loading test results between irradiated gauge and non-irradiated gauge.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS11 Component Strain gauge(capsule type) No. of tested components 1 Classification 1 1. Major Specifications - Supplier: Kyowa Electronic Instruments Co. - Type: KHC (capsule type) - Allowable temperature: -196 to 550 C - Gauge element: Ni - Cr - V - Base: SS316 - Adhesive: Point welding - Lead wire: MI cable (wires covered with MgO insulator and SS tube) Manufacturer Kyowa Electronic Instruments Co./3-5-1 Chofugaoka Chofu Tokyo /Address 182-8520 Japan, TEL +81-424-88-1111, FAX +81- 424-81-3258 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Strain signal at constant stress : Under irradiation 4. Accumulation Doses 127MGy 5. Acceptance Doses over 80MGy 6. Results (1) Troubles were not recognized both of the gauge and lead wires after irradiation of 24.5MGy. (2) Change of the strain around doses of 20MGy is assumed due to release the welding stress of the gauge. 7. Reference Data Sheet - S1-SS11-1 Outline of the capsule type gauge and test results.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS12 Component Distance sensor (Laser sensor) No. of tested components 2 Classification 1 1. Major Specifications - Supplier: Keyence Co. - Type: LB-01 - Detectable range: +/- 40mm from standard point of 100mm - Laser: 780 nm / 3mW / semiconductor type - Laser spot: 1 x 2mm - Linearity: 1.6% - Resolution capability: 10, 40, 180E-06m (depends on the response time) - Output voltage: +/- 4V (0.1 V/mm) - Main materials: Zn, Semiconductor (PSD) - Dimensions: 46 x 45.5 x 17mm - Weight: 165gf Manufacturer Keyence Co./1-3-14 Higashinakajima Higashi Yodogawa-ku Osaka /Address 533-8555 Japan TEL 06-6379-1111 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.57E06, 1.08E04, 98.5 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Output voltage at constant distance between sensor and object: Under irradiation 4. Accumulation Doses 0.077MGy 5. Acceptance Doses TBDMGy 6. Results (1) Three laser sensors were irradiated under three different dose rate (1.57E6, 1.08E4, 98.5 R/h). (2) Radiation hardness on each sensor is estimated as follows: - Dose rate: 1.57E6 R/h - Radiation hardness: 0.0048MGy - Dose rate: 1.08E4 R/h - Radiation hardness: 0.0009MGy - Dose rate: 98.5 R/h - Radiation hardness: 0.0012MGy 7. Reference Data Sheet - S1-SS12-1 Layout of the laer sensors in the irradiation cell. - S1-SS12-2 Irradiation test results of the laser sensors.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS13 Component Distance sensor (Optical fiber used laser sensor) No. of tested components 1 Classification 3 1. Major Specifications - Supplier: Akita Electric Co. - Type: Prototype - Detectable range: 800 to 1,200 mm - Laser: 685nm / 7mW / semiconductor type - Accuracy of measurement: 1mm - Response time: 1 sec - Dimensions: 50H x 330W x 294D mm Manufacturer Akita Electric Co./64 Naganuma Tennou Tennou-machi Minami/Address Akita-gun Akita-ken Japan, TEL+81-18-886-2011 2. Irradiation Conditions Facility Planned (No. 2 Cell in the Co-60 building in Takasaki-JAERI) Radiation Source Co-60 Dose Rate (R/hr) Planning Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) The sensor is adjusting for irradiation test. (2) The test will be staeted from middle of 1998. 4. Accumulation Doses TBD 5. Acceptance Doses TBD 6. Results (1) Measurement accuracy was tested before irradiation. (2) The followings showed the relation between nominal value and measured value. - Nominal value: 800 mm - Measured value: 800.5 mm - Nominal value: 1,000 mm - Measured value: 1000.0 mm - Nominal value: 1,200 mm - Measured value: 1200.0 mm 7. Reference Data Sheet - S1-SS13-1 Overall configuration of the optical fiber used laser distance sensor. - S1-SS13-2 Measurement accuracy test results before irradiation.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS14 Component Proximity sensor (Magnetic type) No. of tested components 4 Classification 1 1. Major Specifications - Supplier: Izumi Electric Co. - Type: 4FR1-6-J - Detectable distance: 10mm (depends on the dimensions of object) - Detectable standard object size: 76 x 25 x 6t mm - Detectable materials: Fe, Ni, Co and these alloy - Response time: 1msec Manufacturer Izumi Electric Co./1-17-31 Nishimiyahara Yodogawa-ku Osaka, /Address Japan 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2.E+05 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Repeatability of object width : Under irradiation 4. Accumulation Doses 26MGy 5. Acceptance Doses over 26MGy 6. Results (1) Measured object width after irradiation of 26MGy was detected about 50mm compared with 40mm before irradiation, but this difference does not matter in practical application. 7. Reference Data Sheet - S1-SS14-1 Overall configuration of the proximity sensor and test stand. - S1-SS14-2 Measured object width changes before and after irradiation.


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Subtask Name Subtask 1 (Robotics) Sheet No. S1-SS15 Component Accelerometer (Servo rebalance type) No. of tested components 1 Classification 1 1. Major Specifications - Supplier: Japan Aerial Electronic Co. - Type: JA-5GA55 - Detectable range: +/- 2G - Non-linearity: +/- 0.15% - Resolution capability: 75MGy 5. Acceptance Doses > 75MGy 6. Results (1) Electric characteristics did not change after irradiation of 75MGy. (2) Thermal processing of the cable is difficult. (3) Flexibility between the connector and cable is not good. 7. Reference Data Sheet - S3-CB01-1 Cross section of power and signal cables. - S3-CB01-2 Appearance of power cable.


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-CB02 Component Signal cable for AC servo motor No. of tested components 5 Classification 3 1. Major Specifications - Supplier: Sumitomo Electric Industry Co. - Type: Celamics insulated cable - Number of wires: 7 - Materials of conductor and electric insulator: Ni coated OFC, Al2O3 (Wire and jacket) - Breakdown voltage: 200 - 1000 V - Critical diameter of curvature: 5 - 30 mm - Dimensions: 5.15 mm in dia. x 6 m in length - Connectors: Ceramics insulated six pins connector Manufacturer Sumitomo Electric Industry Co./4-5-33 Kitahama Chuo-ku Osaka, /Address Japan 2. Irradiation Conditions Facility No. 2 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 7 E05 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) The cable is actually used with irradiation test of the second stage AC servo motor. 4. Accumulation Doses 75MGy 5. Acceptance Doses > 75MGy 6. Results (1) Electric characteristics did not change after irradiation of 75MGy. (2) Thermal processing of the cable is difficult. (3) Flexibility between the connector and cable is not good. 7. Reference Data Sheet - S3-CB01-1 Cross section of power and signal cables - S3-CB02-1 Appearance of signal cable


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-CB03 Component Thermocouple cable for AC servo motor No. of tested components 5 Classification 3 1. Major Specifications - Supplier: Sumitomo Electric Industry Co. - Type: Ceramics insulated K type thermocouple cable - Number of wires: 8 - Conductors: Chromel, 0.32mm in dia. x 4: Alumel, 0.32 - Materials of electric insulator: Al203 (wire and jacket) - Breakdown voltage: 200 - 1,000V - Critical diameter of curvature: 5 - 30mm - Dimensions: 6.5mm in dia. x 6m in length - Connectors: Ceramics insulated withg pins connector Manufacturer Sumitomo Electric Industry Co./4-5-33 Kitahama Chuo-ku Osaka, /Address Japan 2. Irradiation Conditions Facility No. 3 Cell in the Co-60 buiilding in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 7 E05 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) The cable is actually used with irradiation test of the second stage AC servo motor. 4. Accumulation Doses 75MGy 5. Acceptance Doses > 75MGy 6. Results (1) Electric characteristics did not change after irradiation of 75MGy. (2) Thermal processing of the cable is difficult. (3) Flexibility between the connector and cable is not good. 7. Reference Data Sheet - S3-CB03-1 Overview and cross section of the thermocouple cables


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-OB04 Component Signal cable for AC servo motor No. of tested components 5 Classification 3 1. Major Specifications - Supplier: Hitachi Cable Co. - Type: Silicon nitride (SiN) fabric insulator used cable - Number of wires: 2 - Conductors: Ni coated Cu (2.64mm in dia.x 2) - Materials of electric insulator: Polymide tape, Glass/Mica tape, SiN tape, Glass fabric, Glass tape, SS fabric - Insulation resistance: >10M ohm (at AC 400V) - Withstanding voltage: AC 1500V (1min) - Dimensions: 13.2mm in thickness x 300mm in length - Directions for use: Power cable Manufacturer Hitachi Cable Co./Otemachi Bldg. 1-9-1 Otemachi Chiyoda-ku /Address Tokyo Japan, Phone +81-3-5252-3464 2. Irradiation Conditions Facility No. 3 Cell in the Co-60 buiilding in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) BDV (break down viltage) : After irradiation (2) Insulation resistance : After irradiation 4. Accumulation Doses 100MGy 5. Acceptance Doses > 100MGy 6. Results (1) At the measurement after irradiation of 10 M Gy, BDV decreased from 9kV to 3kV in spite of increasing of insulatio resistance. The rasons were not clear. (2) After that, insulation resistance and BDV did not change up to irradiation of 100MGy. 7. Reference Data Sheet -S3-CB04-1 Cross section of SiN fabric insulation cables - S3-CB04-2 Electric characteristic changes of SiN fabric insulation cable as a function of doses - S3-CB04-3 Appearance changes of SiN fabric insulation cable as a function of doses


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-OB05 Component Polymer insulated coaxial cable No. of tested components 5 Classification 3 1. Major Specifications - Supplier: Showa Cable Co. - Type: Polymide and PEEK (poly-ether-ether-ketone) insulators used cable - Number of wires: 1 - Conductors: Ni coated Cu (0.16mm in dia. x 2) - Materials of electric insulator: Polymide (first layer), SS fabric (shield), PEEK (jacket) - BDV (breakdown voltage: >10kV - Tensile strength: >50 MPa - Dimensions: 1mm in diameter - Directions for use: Signal cable Manufacturer Showa Cable Co./Tokyo Toranomon Bldg. 1-1-18 Toranomon /Address Minato-ku Tokyo Japan, Phone +81-3-3597-7111 2. Irradiation Conditions Facility No. 3 Cell in the Co-60 buiilding in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) BDV (break down viltage): After irradiation (2) Tensile strength: After irradiation 4. Accumulation Doses 100MGy 5. Acceptance Doses > 100MGy 6. Results (1) BDV decreased gradually in proportion to accumulation dose, but this change do not influence to practical use (2) Tensile strength increased slightly up to irradiation of 20MGy, after that the strength decreased gradually 7. Reference Data Sheet - S3-CB05-1 Overview and strucutre of the coaxial cable - S3-CB05-2 BDV and tensile strength changes of the coaxial cable


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-WR01 Component Ceramic insulated wire (S/a) & Imitated stator coil used the wire No. of tested components 5 Classification 3 1. Major Specifications - Supplier: Sumitomo Electric Industry Co. - Type: Wire (S/a) (Ceramics (Si02) insulated wire), - Conductors: Ni coated Cu (0.592mm in diameter), - Materials of electric insulator: Silicon oxide (Si02), - BDV (breakdown voltage): 100 to 500V, Tensile strength: 20 - 30 MPa, - Outter diameter of wire: 0.792mm, - Critical diameter of curvature: 10 - 30mm, - Material of imitated stator core: Permalloy, - Number of coil: 70turn, - Material of binder: Inorganaic binder , - Dimensions of imitation stator coil core: 60mm in length x 62mm in width x 20mm in thickness Manufacturer Sumitomo Electric Industry Co./4-5-33 Kitahama Chuo-ku Osaka, /Address Japan 2. Irradiation Conditions Facility No. 3 Cell in the Co-60 buiilding in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.5 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period - Wire (S/a), (1) Insulation capability: After irradiation, (2) BDV (break down viltage): After irradiation, (3) Flexibility: After irradiation, (4) Abrasion capability: After irradiation - Imitated stator ciol, (1) Insulation capability: After irradiation, (2) BDV (break down viltage): After irradiation 4. Accumulation Doses 47.7MGy 5. Acceptance Doses > 47.7MGy 6. Results (1) Insulation capability and BDV did not change (2) Flexibility decreased slightly and abrasion capability began to decrease form irradiation of 10MGy (3) In case of the imitated coil, insulation capability did not change but BDV decreased gradually from just after irradiation starting 7. Reference Data Sheet - S3-WR01-1 Overvew and cross section of the Wire (S/a) and the imitation stator coil made use of the Wire (S/a) - S3-WR01-2 Electric characteristic changes of the Wires ((S/a), (S/b)) and the imitation coils (motor stator coil, sensor coil). - S3-WR01-3 Mechanical characteristic changes of the Wires ((S/a), (S/b)) and the imitation coils (motor stator coil, sensor coil)


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-WR02 Component Ceramic insulated wire (S/b) & Imitated sencer coil used the wire No. of tested components 5 Classification 3 1. Major Specifications - Supplier: Sumitomo Electric Industry Co. - Type: Wire (S/b) (Ceramics (Si02) insulated wire), - Conductors: Ni coated Cu (0.196 mm in diameter), - Materials of electric insulator: Silicon oxide (Si02), - BDV (breakdown voltage): 100 - 500V, Tensile strength: 20 - 30MPa, - Outter diameter of wire: 0.212mm , - Critical diameter of curvature: 4mm, - Material of imitated stator core: Permalloy, - Number of coil: 30turn, - Material of binder: Inorganaic binder, - Dimensions of imitation stator coil core: 5mm in length x 5mm in width x 10mm in thickness Manufacturer Sumitomo Electric Industry Co./4-5-33 Kitahama Chuo-ku Osaka, /Address Japan 2. Irradiation Conditions Facility No. 3 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.5 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period - Wire (S/a), (1) Insulation capability: After irradiation, (2) BDV (break down voltage): After irradiation, (3) Flexibility: After irradiation, (4) Abrasion capability: After irradiation - Imitated stator coil, (1) Insulation capability: After irradiation, (2) BDV (break down voltage): After irradiation 4. Accumulation Doses 47.7MGy 5. Acceptance Doses > 47.7MGy 6. Results (1) Insulation capability did not change but BDV decreased slightly from irradiation of 10 M Gy (2) Flexibility increased drastically up to doses of 10 M Gy, after that decreased drastically (3) Change of abrasion capability is little (4) In case of the imitated coil, insulation capability and BDV increased little. 7. Reference Data Sheet - S3-WR02-1 Overview and cross section of the wire (S/b) and the imitation stator coil made use of the Wire (S/b) - S3-WR01-2 Electric characteristic changes of the Wires ((S/a), (S/b)) and the imitation coils (motor stator coil, sensor coil) - S3-WR01-3 Mechanical characteristic changes of the Wires ((S/a), (S/b)) and the imitation coils (motor stator coil, sensor coil)


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Subtask 3 (Common compo.) Sheet No. S3-WR03 Polyimide insulated wire (S/a-1) & Outgassing treated wire (H/a2) No. of tested components 5 Classification 2 1. Major Specifications - Supplier: Hitachi Cable Co. - Type: Wire (H/a-1) (Polymide insulated wire) - Insulation resistance: 10E13ohm - BDV (break down voltage): 10kV - Critical diameter of curvature: 1d (d means outer diameter of the wire) - Adhesion capability: 5 H (pencil hardness) - Type: Wire (H/a-2) (The Wire (H/a-1) was processed outgassing treatment) - Treatment conditions: 300degree x 2hr - Conductors : Ni coated OFC (0.593mm in diameter) - Insulation resistance: 10E12ohm - BDV (break down voltage): 9kV - Critical diameter of curvature: 1d (d means outer diameter of the wire) - Adhension capability: 5 H (pencil hardness) Manufacturer Hitachi Cable Co./Otemachi Bldg. 1-9-1 Otemachi Chiyoda-ku /Address Tokyo Japan, Phone +81-3-5252-3464 2. Irradiation Conditions Facility No. 3 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.5 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation, (2) BDV (break down voltage), (3) Elongation: After irradiation, (4) Flexibility: After irradiation 4. Accumulation Doses 47.7MGy 5. Acceptance Doses > 47.7MGy 6. Results - Both wires showed nearly the same tendencies as follows: (1) Insulation resistance and BDV changed a little but these changes are estimated due to measurement error, (2) Elongation and flexibility did not change, (3) Change of abrasion capability, (4) In case of the imitated coil, insulation capability and BDV increased a little 7. Reference Data Sheet - S3-WR03-1 Cross sections of the Wire (H/a-1) and Wire (H/a-2) - S3-WR03-2 Electric characetristic changes of the Wires ((H/a-1), (H/b-1) and (H/b2)) - S3-WR03-3 Mechanical characteristic changes of the Wires ((H/a-1), (H/a-2), (H/b1) and (H/b-2)) Subtask Name Component


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-WR04 Component Hybrid insulation wire (S/b-1) & Outgassing treated wire (H/b-2) No. of tested components 5 Classification 3 1. Major Specifications - Supplier: Hitachi Cable Co. - Type: Wire (H/b-1) (ceramics/polymide insulated wire) - Conductors: Ni coated OFC (0.593 mm in diameter) - Structure: 1st layer, Al203: 2nd layer, Polyimide - Insulation resistance: 9E12ohm, - BDV (break down voltage): 3kV - Critical diameter of curvature: 1 - 3d (d means outer diameter of the wire) - Adhension capability: 5H (pencil hardness) - Type: Wire (H/b-2) (The Wire (H/b-1) was processed outgassing treatment) - Treatment conditions: 300 C x 2hr - Conductors: Ni coated OFC (0.593 mm in diameter) - Insulation resistance: 8E12ohm - BDV (break down voltage): 2.5kV - Critical diameter of curvature: 2 - 4 d (d means outer diameter of the wire) - Adhension capability: 5H (pencil hardness) Manufacturer Hitachi Cable Co./Otemachi Bldg. 1-9-1 Otemachi Chiyoda-ku /Address Tokyo Japan, Phone +81-3-5252-3464 2. Irradiation Conditions Facility No. 3 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.5 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation, (2) BDV (break down voltage), (3) Elongation: After irradiation, (4) Flexibility: After irradiation 4. Accumulation Doses 47.7MGy 5. Acceptance Doses > 47.7MGy 6. Results - Both wires showed nearly the same tendencies as follows: (1) Insulation resistance and BDV changed a little but these changes are estimated due to measurement error. (2) Elongation and flexibility decreased after irradiation of 25 M Gy (3) Hybride effect did not recognize in this test 7. Reference Data Sheet - S3-WR03-01 Cross sections of the Wire (H/a-1) and Wire (H/a-2) - S3-WR03-2 Electric characteristic changes of the Wires (H/a-1), (H/a-2), (H/b-1) and (H/b-2) - S3-WR03-3 Mechanical characteristic changes of the Wires (H/a-1), (H/b-2), (H/b-1) and (H/b-2)


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-WR05 Component Virnish insulated wire (polyimide, polyamideimide) No. of tested components 5 Classification 2 1. Major Specifications - Supplier: Totoku Co. - Type: Polymide insulated wire, Polyamideimide insulated wire - Conductors: Ni coated Cu (0.5mm in diameter) - Forming method: Mild baking after dipping - Thickness of insulator: Pollymide insulated iwre, 25E-06m : Polyamideimide insulated wire, 25E-6m and 63E-6m - Directions for use: Coils for electric parts Manufacturer Totoku Co./1-3-21 Okubo Shinjuku-ku Tokyo Japan, Phone+81-3/Address 5273-2121 2. Irradiation Conditions Facility No. 3 Cell in the Co-60 building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) BDV (break down voltage): After irradiation (2) Flexibility: After irradiation (3) Dielectric loss (tan delta): After irradiation (4) Glass transition temperature (Tg) : After irradiation 4. Accumulation Doses 100MGy 5. Acceptance Doses 30, 100 (see 6.(3))MGy 6. Results (1) On the both wires, Tg is in proportion to accumulation dose and tan is inverse proportion to accumulation dose. (2) The tan of the polymideimide is rapidly increased from the measurement temperature of 250C (3) Radiation hardness of the polymide and polyamideimide wires in an oxygen free condition is estimated 100 M Gy and 30 M Gy, respectively 7. Reference Data Sheet - S3-WR05-1 Overall structure and appearance of the varnish insulated wire - S3-WR05-2 Characteristic changes of the wires before and after irradiation - S3-WR05-3 Temperature dependency of tan of the wires before and after irradiation


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-TC01 Component Polyimide insulated T/C (H/a-1) & Outgassing treated T/C (H/a-2) No. of tested components 5 Classification 2 1. Major Specifications - Supplier: Hitachi Cable Co. [Type: T/C-(H/a-1)] - Conductors: Ni coated chromel and alumel (0.593in diameter) - Insulator: Polymide - Insulation resistance between chromel and alumel: 10E13ohm - Jacket: Glass fiber fabric - BDV (break down voltage): 10kV - Critical diameter of curvature: 1d (d means outer diameter of the wire) - Adhension capability: 5H (pencil hardness) [Type: T/C-(H/a-2)] - Treatment conditions: 300 C x 2hr - Conductors: Ni coated chromel and alumel (0.593in diameter) - Insulator: Polymide - Jacket: Glass fiber fabric - Jacket: Glass fiber fabric - Insulation resistance between chromel and alumel: 10E12 ohm - BDV (break down voltage): 9kV - Critical diameter of curvature: 1d (d means outer diameter of the wire) - Adhension capability: 5H (pencil hardness) Manufacturer Hitachi Cable Co./Otemachi Bldg. 1-9-1 Otemachi Chiyoda-ku /Address Tokyo Japan, Phone +81-3-5252-3464 2. Irradiation Conditions Facility No. 3 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.5 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation (2) BDV (break down voltage) (3) Flexibility: After irradiation 4. Accumulation Doses 47.7MGy 5. Acceptance Doses > 47.7MGy 6. Results (1) On the both the thermocouples, insulation resistance between chromel and alumel was measured in ranging from 1.6E13 to 2.3E13 ohm (2) BDV and flexibility did not change compared before irradiation 7. Reference Data Sheet - S3-TC01-1 Overall structure of the polymide insulation and hybrid insluation thermocouples


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-TC02 Component Hybrid insulation T/C (H/b-1) & Outgassing treated T/C (H/b-2) No. of tested components 5 Classification 2 1. Major Specifications - Supplier: Hitachi Cable Co. - Type: T/C-(H/b-1) - Conductors: Ni coated chromel and alumel (0.593 in diameter) - Insulator: 1st layer, SiO2: 2nd layer, Polymide - Jacket: Glass fiber fabric - Insulation resistance between chromel and alumel: 9E12ohm - BDV (break down voltage): 3kV - Critical diameter of curvature: 1 -3d (d means outer diameter of the wire) - Adhension capability: 5H (pencil hardness) - Type: T/C-(H/b-2) - Treatment conditions: 300 C x 2 hr - Conductors: Ni coated chromel and alumel (0.593 in diameter) - Insulator: 1st layer, SiO2: 2nd layer, Polymide - Jacket: Glass fiber fabric - Insulation resistance between chromel and alumel: 8E12 ohm - Jacket: Glass fiber fabric - BDV (break down voltage): 2.5 kV - Critical diameter of curvature: 2 -4d (d means outer diameter of the wire) - Adhension capability: 5H (pencil hardness Manufacturer Hitachi Cable Co./Otemachi Bldg. 1-9-1 Otemachi Chiyoda-ku /Address Tokyo Japan, Phone +81-3-5252-3464 2. Irradiation Conditions Facility No. 3 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.5 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation (2) BDV (break down voltage): After irradiation (3) Flexibility: After irradiation 4. Accumulation Doses 47.7MGy 5. Acceptance Doses > 47.7MGy 6. Results (1) Insulation resistance between chromel and clumel of the both thermocouples was measured the same value of 1E13 ohm (2) BDV and flexibillity did not change compared before irradiation 7. Reference Data Sheet - S3-TC01-1 Overall structure of the polymide insulation and hybrid insulation thermocouples


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Subtask 3 (Common compo.) Sheet No. S3-CN01 Polymer insulated electric connector (thermoplasticity polyimide, PEEK) No. of tested components 4x3samples Classification 2 1. Major Specifications - Supplier : Hitachi Cable Co. - Type of insulators: Thermoplasticity polymide, UPILEX-STR; AURAM TR; VESPELTR: Poly-ether-ether-ketone (PEEK) -Supplier of polymer insulators: UPILEX@STR, Ube Industries Co; AURAMTR, Mitsui Toatsu Co; VESPELTR, Dupont Co; PEEK, Mitsui toatsu Co - Number of pins: 19pins Manufacturer Hitachi Cable Co./Otemachi Bldg. 1-9-1 Otemachi Chiyoda-ku /Address Tokyo Japan, Phone +81-3-5252-3464 2. Irradiation Conditions Facility No. 3 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2 E06 Temperature 250 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation (2) Withstanding voltage: After irradiation 4. Accumulation Doses 100MGy 5. Acceptance Doses > 100MGy 6. Results (1) Insulation resistance and withstanding voltage of these polymer insulation connectors did not change after irradiation of 100 M Gy (2) The acceptance doses of 100 M Gy shows an evaluation in oxygen free condition 7. Reference Data Sheet - S3-CN01-1 Fabricated four kinds of the polymer insulated electric connectors - S3-CN01-2 Appearance changes of the connectors after irradiation - S3-CN01-3 Electric characteristic changes of the connectors after irradiation Subtask Name Component


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-CN02 Component Polymer insulated electric connector (thermoplasticity polyimide) No. of tested components 2 Classification 2 1. Major Specifications - Supplier : Hitachi Cable Co. - Type of insulators: Thermoplasticity polymide, BEKTR - Supplier of pollymer insulators: BEK TR, Idemitsu Kosan Co. - Number of pins : 19pins Manufacturer Hitachi Cable Co./Otemachi Bldg. 1-9-1 Otemachi Chiyoda-ku /Address Tokyo Japan, Phone +81-3-5252-3464 2. Irradiation Conditions Facility No. 3 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.5 E06 Temperature 300 Humidity Ambient Atmosphere N2 gas 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation (2) Withstanding voltage: After irradiation (3) Contact resistance: After irradiation 4. Accumulation Doses 11.2MGy 5. Acceptance Doses > 11.2MGy 6. Results (1) Insulation resistance, withstanding voltage and contact resistance of the polymer insulation connector did not change ater irradiation of 11.2 M Gy (2) The acceptance doses of 11.2 M Gy shows an evaluation in oxygen free condition 7. Reference Data Sheet - S3-CN02-1 Assembly structure of the BEK used electric connector - S3-CN02-2 Overall structure and appearance of the BEK used electric connector


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-CN03 Component Ball bearing used electric connector (1st stage) No. of tested components 5 Classification 3 1. Major Specifications - Supplier : Hitachi Haramachi Electric Co. - Type : Ball bearing used electric connector corresponding to remote handling - Mechanism of the attachment and removing : Ball bearing - Materials of insulator and housing: Al203, SS - Insulation resistance: 1k ohm/DC 500 V - BDV (break down voltage) : DC 1 kV/1 min - Contact resistance: under 10 m ohm/DC 1 A - Dimensions of plug: 73 mm in outer dia. x 43 mm in length - Number of pins: 4 pins Manufacturer Hitachi Haramachi Electric Co./3-10-2 Bentencho Hitachi-shi /Address Ibaraki-ken 317-0072 Japan, Phone+81-294-22-0330 Fax+81-29422-0333 2. Irradiation Conditions Facility No. 2, 3 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1 E06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation (2) BDV (break down voltage): After irradiation (3) Contact resistance: After irradiation 4. Accumulation Doses 100MGy 5. Acceptance Doses > 100MGy 6. Results (1) Insulation resistance, BDV and contact resistance of the ball bearing used electric connector did not change after irradiation of 100 M Gy 7. Reference Data Sheet - S3-CN03-1 Overall structure of the first stage ball bearing used electric connector - S3-CN03-2 Layout of theball bearing used electric connectors in the irradiation cell - S3-CN03-3 Electric characteristic changes of the connectors as a function of accumulation dose


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-CN04 Component Ball bearing used electric connector (2nd stage) No. of tested components 4 Classification 3 1. Major Specifications - Supplier: Hitachi Haramachi Electronics Co. - Type: Ball bearing used electric connector corresponding to remote handling - Mechanism of atachment and removing: Ball vearing (NTN KXS010) - Material of insulator: Al2O3 - Materials of pin and housing: Fe-Ni alloy (Ni coating); Al alloy, SS - Insulation resistance: 1,000 M ohm/DC 500 V - Withstanding voltage: DC 1kV/1min - Contact resistance: under 10m ohm/DC 1A - Dimensions: 63mm in outer dia. x 62mm in length - Number of pins: 10pins Manufacturer Hitachi Haramachi Electric Co./3-10-2 Bentencho Hitachi-shi /Address Ibaraki-ken 317-0072 Japan, Phone+81-294-22-0330 Fax+81-29422-0333 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1 E06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation (2) Withstanding voltage: After irradiation (3) Contact resistance: After irradiation 4. Accumulation Doses 100MGy 5. Acceptance Doses 75MGy 6. Results (1) Contact resistance of the connector increased rapidly from accumulation dose of 75 M Gy 7. Reference Data Sheet - S3-CN04-1 Overall structure of the first stage ball bearing used electric connector - S3-CN04-2 Connect resistance changes of the second stage connectors as a function of dose


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-CN05 Component Ball bearing used electric connector (3rd stage) No. of tested components 4 Classification 3 1. Major Specifications - Supplier: Hitachi Haramachi Electrinics Co. - Type: Ball bearing used electric connector correspoinding to remote handling - Mechanisms of attachment and removing: Ball bearing (NTN KXS010) - Material of insulator: Al2O3 - Materials of pin and housing: Fe-Ni alloy (Au coating); Al alloy, SS - Insulation resistance: 1,000M ohm/DC 500V - Withstanding voltage: 6pins, DC 1kV/min; 22pins, DC 500V/1 min - Contact resistance: under 10m ohm/DC 1A - Dimensions: 51.4 mm in outer dia x 52mm in length - Number of pins: 6 and 22pins Manufacturer Hitachi Haramachi Electric Co./3-10-2 Bentencho Hitachi-shi /Address Ibaraki-ken 317-0072 Japan, Phone+81-294-22-0330 Fax+81-29422-0333 2. Irradiation Conditions Facility No. 2Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1 E06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation (2) Withstanding voltage: After irradiation (3) Contact resistance: After irradiation 4. Accumulation Doses 6 pins: 50 5. Acceptance Doses 6 pins: 50 22 pins: 50 22 pins: 25 MGy MGy 6. Results (1) Contact resistance of the connector increased rapidly from accumulation dose of 25 M Gy 7. Reference Data Sheet - S3-CN05-1 Appearancer of the third stage ball bearing used electric connector - S3-CN05-2 Contact resistance changes of the third stage connectors as a function of doses


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-CN06 Component Polyimide electric connector No. of tested components 2 Classification 3 1. Major Specifications - Supplier: Hitachi Cable Ltd.. - Structural material: Thermoplasticity polyimide - Number of pins: 19 pins - Material of pin: Au coated Cu alloy - Insulation resistance: 1.0E08M ohm (DC 500V) - Dimensions: 30mm in diameter x 60mm in length Manufacturer Hitachi Cable Ltd./6-1 Ohte-machi, Chiyoda-ku, Tokyo /Address 100-8166 Japan, Tel +81-3216-1616 2. Irradiation Conditions Facility No. 2Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.E+06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Insulation resistance: After irradiation (2) BDV (breakdown voltage): After irradiation 4. Accumulation Doses 40(under 5. Acceptance Doses >40(TBD)MG tasting)MGy y 6. Results (1) The insulation resistance decreased in the range of 2-3 digit at the beginning, after that, the value changed into increasing. There are no problems for practical use. (2) JAERI can not describe the reasons about this phenpmenon. - The irradiation test is expected to continue up to accumulation dose of 100MGy. 7. Reference Data Sheet Fig. 25: Configuration of the connector, Fig. 26: Apperance of the connector in the irradiation cell, Fig. 27: Insulation resistance changes of the connector as a function of accumulation dos.


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-ID01 Component Vacuum gauge (capacitance manometer) No. of tested components 1 Classification 1 1. Major Specifications - Supplier: ULVAC Co. - Type: CCM-1000 - Measrable range: 10E-2 - 10E3 Pa - Materials of diaphragm and housing: Ceramics, SS - Accuracy: (+/-) 0.5 % - Available temperature: 5 - 50degree C Manufacturer ULVAC Co./2500 Hagizono Chigasaki-shi Kanagawa-ken 253-8543 /Address Japan, TEL +81-467-83-1151, FAX +81-467-82-9114 2. Irradiation Conditions Facility No. 2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 3.4 E05 Temperature Ambient Humidity Ambient Atmosphere Air/Vacu um 3. Measurement Items & Acquisition Period (1) output signal*: After irradiatoin (just after the radiation source falling) *to measure a pump down curve in ranging from 1 atm. (N2) to measurable limit. 4. Accumulation Doses 1200 GyMGy 5. Acceptance Doses Not recommended MGy 6. Results (1) Output signal was sifted below zero level after irradiation of 30 mm (2) I/O and analogue boards in the gauge were damaged by gamma-irradiation 7. Reference Data Sheet - S3ID01-1 Overview of the vacuum gauges and layout of the gauges in the irradiation cell. - S3-ID01-02 Output signal changes of the capacitance manometer before and after irradiation


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-ID02 Component Vacuum gauge (Pirani gauge) No. of tested components 1 Classification 1 1. Major Specifications -Supplier: ULVAC Co. - Type: WPB10-070 - Measurable range: 0.4 - 3,000Pa - Material of filament: Platinum - Materical of housing: SS - Accuracy: (+/-) 3% in full scale - Available temperature: 10 - 40degree C Manufacturer ULVAC Co./2500 Hagizono Chigasaki-shi Kanagawa-ken 253-8543 /Address Japan, TEL +81-467-83-1151, FAX +81-467-82-9114 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 3.4 E05 Temperature Ambient Humidity Ambient Atmosphere Air/Vacu um 3. Measurement Items & Acquisition Period (1) output signal*: After irradiatoin (just after the radiation source falling) *to measure a pump down curve in ranging from 1 atm. (N2) to measurable limit. 4. Accumulation Doses 10.2MGy 5. Acceptance Doses > 10.2MGy 6. Results (1) Pressure change can be measured after doses of 10.2 M Gy 7. Reference Data Sheet - S3-ID01-1 Overview of the vacuum gauges and layout of the gauges in the irradiation cell - S3-ID02-1 Output signal changes of the pirani gauges before and aftr irradiation


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-ID3 Component Vacuum gauge (ionization gauge) No. of tested components 1 Classification 1 1. Major Specifications - Supplier: ULVAC Co. - Type: M-13 - Measurable range: 5E8 - 10Pa - Material of filament: Iridium - Material of housing: SS - Accuracy: (+/-)15% in full scale - Available temperature: 10 - 40 C Manufacturer ULVAC Co./2500 Hagizono Chigasaki-shi Kanagawa-ken 253-8543 /Address Japan, TEL +81-467-83-1151, FAX +81-467-82-9114 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 3.4 E05 Temperature Ambient Humidity Ambient Atmosphere Air/Vacu um 3. Measurement Items & Acquisition Period (1) output signal*: After irradiatoin (just after the radiation source falling) *to measure a pump down curve in ranging from 0.4 Pa (N2) to measurable limit. 4. Accumulation Doses 10.2MGy 5. Acceptance Doses > 10.2MGy 6. Results (1) Pressure change can be measured after doses of 10.2 M Gy 7. Reference Data Sheet - S3-ID01-1 Overview of the vacuum gauges and layout of the gauges in the irradiation cell - S3-ID02-1 Output signal changes of the pirani gauges before and aftr irradiation


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-ID4 Component Ultra-sonic transducer (perpendicular injection type) No. of tested components 2 Classification 1 1. Major Specifications - Supplier: Toshiba Co. - Type: Perpendicular injection type - materials of main parts: Oscillator, PbNb03; Filler & Binder, Epoxy resin; Casing, SS304; Damper, Powered W and epoxy resin; Protector plate, Al2O3 -Material of contacted medium: Water, Grycerol Manufacturer Toshiba Co./1-1-1 Shibaura, Minato-ku, Tokyo 105-8001 Japan, /Address Phone +81-0120-131100, Fax +81-3-5444-9403 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1 E06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Echo height (sensitivity): Under irradiation 4. Accumulation Doses 10MGy 5. Acceptance Doses 0.1MGy 6. Results (1) Sensitivity changes by differenct of two kinds of contacted mediums are as follows: - Water, began to decrease from accumulation dose of 0.1 M Gy - Grycerol, began to decrease from accumulation dose of 0.01 M Gy (2) Echo height decreased by one-ten at accumulation dose of 10 M Gy 7. Reference Data Sheet - S3-ID04-1 Layout of the UT sensors and data acquisition system inside and outside irradiation cell - S3-ID04-2 Overall strcture of the perpendiculator type ultra-sonic transucucer - S3-ID04-3 Echo height changes of the perpendicular type UT sensors as a function of accumulation dose - S3-ID04-4 Appearance of the p erpendicular type UT sensors after irradiation


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-ID5 Component Ultra-sonic transducer (inclined injection type) No. of tested components 2 Classification 1 1. Major Specifications - Supplier: Toshiba Co. - Type: Perpendicular injection type - materials of main parts: Oscillator, PbNb03; Filler & Binder, Epoxy resin; Casing, SS304; Damper, Powered W and epoxy resin; Protector plate, Al2O3 - Material of contacted medium: Water, Grycerol - Materials of wedge: PEI (polyether imide), Acrylic Manufacturer Toshiba Co./1-1-1 Shibaura, Minato-ku, Tokyo 105-8001 Japan' /Address Phone +81-0120-131100, Fax +81-3-5444-9403 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1 E06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Echo height (sensitivity): Under irradiation 4. Accumulation Doses 10MGy 5. Acceptance Doses PEI wedge: 0.1 Acryl wedge: 0.001 MGy 6. Results (1) Radiation hardness of the PEI wedges is better than the acrylic wedge (2) In case of acylic wede, echo height began to decrease from 0.001 M Gy. (3) The acrylic wedge melted and oscillator was exposed in the medium 7. Reference Data Sheet - S3-ID04-1 Layout of the UT sensors and data acquisition system inside and outside irradiation cell - S3-ID05-1 Overall strcture of the inclined type ultra-sonic transuducer - S3-ID05-2Echo height changes of inclined type UT sensors as a function of accumulation dose - S3-ID05-3 Appearance of the inclined type UT sensors after irradiation


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-ID6 Component Ultra-sonic transducer (brazed type probe) No. of tested components 4 Classification 1 1. Major Specifications - Supplier: Ishikawajima Harima Heavy Industrial Co. - Type: MNL (perpedicular injection type (brazed-type probe for high & low temperature use)), - Available temperature range: -196 to 550, - Basic structure: Brazed-type probe, - Element (oscillator): LiNbO3 , - Frequency: up to 3.5MHz, - Materials of wedge or delay parts on the irradiatin test: Acrylic resin, Polyimide, Ti, - Couplant: HTC H03TR, Spery heavy TR Manufacturer Ishikawajima Harima Heavy Industrial Co./Shin-Otemachi Bldg. 2-1 /Address Otemachi 2-chome Chiyoda-ku Tokyo 100 Japan, Phone +81-3)3244 - 5111 Fax +81-3-3244-5131 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.9 E06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Sensitivity changes of the probes: Under and after irradiation (2) Sensitivity changes of the couplants: After irradiation 4. Accumulation Doses 2.3MGy 5. Acceptance Doses >2.3MGy 6. Results (1) Sensitivity of probe with acrylic resin wedge decreased rapidly as the irradiation proceeds (2) The probes and wedges except the acrylic resin showed good radiation hardness, (3) There is no diference between the two kinds of couplants 7. Reference Data Sheet - S3-ID06-1 Overview and layout of the UT probes in the irradiation cell - S3-ID06-2 Comparison of structure between the standard-type and brazed-type UT probes - S3-ID06-3 Layout of the UT probes and data acquisition system for the irradiation - S3-ID06-4 Echo-signal changes of the UT probe with Ti delay material before and after irradiation - S3-ID06-5 Echo-signal changes of the UT probe with acrylic resin wedge before and after irradiation - S3-ID06-6 Echo-signal changes of the UT probe with BEK TR (thermoplasicity polyimide) wedge before and after irradiation - S3-ID06-7 Echo-signal changes of the UT probe with SX-1TR (thermoplasticity polyimide) wedge before and after irradiation - S3-ID06-8 Sensitivity changes of the UT probee as a function of accumulation dose & sensitivity changes of the probe depends on two kinds of couplants


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-OT01 Component Carbon fiber reinforced plastic (CFRP) No. of tested components 3x28samples Classification 1 1. Major Specifications - Supplier: Mitsubishi Electric Co. - Fiber: Carbon, - Specimen: Specimen are different with kinds of matric materials (polyimide (PI), bismalemide (BMI), epoxy (EP)), - Mechanical characteristics of the CFRP specimen, *Tensile strength (Mpa): PI, 1, 100; BMI, 1,300; EP, 1,100 *ILSS (inter layer shearing strength) (MPa): PI, 1.5; BMI, 46; EP, 60, *Thermal expansion coefficient (1E-6/ at 20 degree C) : PI, 1.5; BMI, 1.8, EP, 1.4, *Reflectance (wavelength, 300 - 1,500 m) (%): PI, 0.3 -0.5; BMI, 0.5 = 0.8; EP, 0.2 - 0.3 Manufacturer Mitsubishi Electric Co./Shin-kokusai Bldg. 3-4-1 Marunouchi /Address Chiyoda-ku Tokyo Japan, tel +81-3-3216-1551 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.4 E06 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Tensile strength: After irradiation, (2) ILSS: After irradiation, (3) Thermal expansion coefficient: After irradiation, (4) Reflectance: After irradiation 4. Accumulation Doses 50MGy 5. Acceptance Doses PI&BMI >50, EP50MGy(6.( 6)) 6. Results (1) Tensile strength of each specimen did not nearly change up to irradiation of 50MGy (2) ILSS of each specimen began to decrease from irradiation of 10MGy (3) Thermal expansion coefficient of all of the specimen tends to decrease in proportion to accumulation dose and this shows a hardening of the matrix materials, (4) On the EP-CFRP specimen does not change after irradiation of 50MGy decreased drastically (5) Reflectance of all these specimen does not change after irradiation of 50MGy, (6) Recommended under tempeature of 50 C use only 7. Reference Data Sheet - S3-ID01-1 Tensile strength changes of three types of CFRPs as a functin of accmulation dose - S3-ID01-2 ILSS changes of three types of CFRPs as a functin of accumulation dose - S3-ID01-3 Thermal expansion coefficient of PI-CFRP in ranging from R. T. to 250 C after irradiation - S3-ID06-4 Thermal expansion coefficient of BMI-CFRP in rangning from R.T. to 250 C after irradiation - S3-ID06-5 Thermal expansion coefficient of EP-CFRP in ranging from R.T. to 200 C


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-OT02 Component Elastomer gasket (EPDM: ethylen-propylen, AU: urethane) No. of tested components 2x36samples Classification 1 1. Major Specifications - Type: JIS V-55 (JIS: Japanese Industrial Standard), - Dimensions: W, 4.0 +/- 0.1mm, Inner dia., 54.5 +/- 0.25mm, - Materials of gaskets: Ethylen-propylen (EPDM), Urethane (AU), - Characteristics of EPDM / AU, * Hardness: 73/72, * Tensile strength (Mpa): 16.4 /40, * Elastically (%): max. 800 / max. 800, * Available temperature (degree C): -60 to 150 /- 60 to 80 Manufacturer TBD /Address 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 2.4E04, 1.9E04, 1.57E04 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Surface inspection: After irradiation, (2) Hardness (equivalent compression force (seal line force)): After irradiation, (3) Sealing capability: After irradiation 4. Accumulation Doses 15.7MGy 5. Acceptance Doses 0.9MGy(6(3)) 6. Results (1) Surface condition of the EPDM-gaskets becames sticky in proportion to accumulation dose but the core of the gasket hardens conversely (2) The AU-gaskets become sholly stickly in proportion to accmulation dose, (3) the acceptance doses was decided by the following conditions; *A part of gasket material dose not stick on a flange surface, *Sealing capability is to maintain within the allowable leak rate, *Compression force doess not change compared with an initial compression force when tighten a flange with a torque-spanner 7. Reference Data Sheet - S3-OT02-1 Layout of the gaskets in the irradiation cell - S3-OT02-2 OVerview and dimensions of the gasket - S3-OT02-3 Appearance of the gaskets after irradiation of 1.2MGy at dose rate of 2.4E4R/h, - S3-OT02-4 Appearance of the gaskets after irradiation of 1.9MGy at dose rate of 1.9E5R/h - S3-OT02-5 Appearance of the gaskets after irradiation of 1.57MGy at dose rate of 1.57E6R/h - S3-OT02-6 Helium leak test results of the gaskets after irradiation under dose rate of 1.57E6R/h - S3-OT02-7 Hardness changes of the gaskets from the tightening torque viewpoint as a function of accmulation dose


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Subtask Name Subtask 3 (Common compo.) Sheet No. S3-OT03 Component O-ring/NBR, EPDM: Ethyeln-propylen, Silicone (Si) No. of tested components 6 x 24samples Classification 1 1. Major Specifications -Type: JIS V-55(JIS: Japanese Industrial Standard), - Dimensions: W, 4.0 +/- 0.1mm, Inner dia., 54.5 +/- 0.25mm, -Materials of O-rings: Butadiene acrylo-nitrile rubber(NBR), Ethylen-propylen(EPDM), Silicone(Si), -Hardness of O-rings: 50/70 Manufacturer NIPPON VALQUA INDUSTRIES, LTD./2-1-1 Nishi-Shinjuku, /Address Shinjuku-ku, Tokyo 163-0406 Japan, Phone +81-3-5325-3421, Fax +81-3-5325-3436 2. Irradiation Conditions Facility No.2 Cell in the RI building in Takasaki-JAERI Radiation Source Co-60 Dose Rate (R/hr) 1.7E+04 Temperature Ambient Humidity Ambient Atmosphere Air 3. Measurement Items & Acquisition Period (1) Hardness(Spring Hardness): After irradiation, (2) Measuring Diameter - Compressed O-ring during irradiation: After irradiation, - Uncompressed O-ring during irradiation: Compress for 24hours after irradiation 4. Accumulation Doses 0.68MGy 5. Acceptance Doses 0.17MGy 6. Results (1) Hardness - Striking change of the hardness was confirmed at Silicone O-rings. - Difference of change of hard ness between 50 and 70 hardness were not confirmed. - Hardness of EPDM were softer than initial hardness at 6.8E07R. (2) Measuring Diameter - Striking deformation was confirmed at whole O-rings in the compression condition during the irradiation. - NBR O-ring recovered more than others(however recovery value is little). - Striking deformation was not confirmed at whole O-rings in the compression test after the irradiation. The double seal door is expected to used in the closing situation at about half of the maintenance period. It is thought effective to use the NBR O-ring (hardness 50) until 0.17MGy, because it can keep comparatively the elasticity and the hardness. 7. Reference Data Sheet - S3-OT03-1 Test pieces and facilities - S3-OT03-2 Test Results


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