Study on the Optimization of Eddy Current Testing ... - ScienceDirect.com

Available online at www.sciencedirect.com

ScienceDirect Procedia Engineering 130 (2015) 1649 – 1657

WK,QWHUQDWLRQDO&RQIHUHQFHRQ3UHVVXUH9HVVHO7HFKQRORJ\

6WXG\RQWKH2SWLPL]DWLRQRI(GG\&XUUHQW7HVWLQJ&RLODQGWKH 'HIHFW'HWHFWLRQ6HQVLWLYLW\ +7=KRXD.+RXD+/3DQD--&KHQD40:DQJD  a

East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China

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¶V ZLGWK OHQJWK DQG GHSWK ZHUH DOVR VWXGLHG %DVHG RQ WKH UHVXOWV RI VLPXODWLRQ D QHZ W\SH RI ELRUWKRJRQDOUHFWDQJXODUSUREHZLWKKLJKHUGHWHFWLRQVHQVLWLYLW\ZDVGHVLJQHG ‹7KH$XWKRUV3XEOLVKHGE\(OVHYLHU/WG © 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). 3HHUUHYLHZXQGHUUHVSRQVLELOLW\RIWKHRUJDQL]LQJFRPPLWWHHRI,&397 Peer-review under responsibility of the organizing committee of ICPVT-14 Keywords:(GG\FXUUHQWWHVWLQJ%LRUWKRJRQDOUHFWDQJXODUSUREH'HIHFW6LPXODWLRQ6HQVLWLYLW\

,QWURGXFWLRQ (GG\FXUUHQWWHVWLQJWHFKQRORJ\ZKLFKLVEDVHGRQHOHFWURPDJQHWLFLQGXFWLRQSULQFLSOHLVRQHRIQRQGHVWUXFWLYH WHVWLQJ 1'7  PHWKRGV ,W KDG EHHQ ZLGHO\ DSSOLHG LQ YDULRXV 1'7 LQVWUXPHQWV LQ WKH HDUO\ WK FHQWXU\ ,Q WKH ¶V WKH UDSLG GHYHORSPHQW RI FRPSXWHU WHFKQRORJ\ DQG HOHFWURQLF WHFKQRORJ\ OHG WKH LPSURYHPHQW RI HGG\ FXUUHQWWHVWLQJLQVWUXPHQWV7KHQRQFRQWDFWKLJKVHQVLWLYLW\DQGDQWLLQWHUIHUHQFHFDSDELOLW\RIHGG\FXUUHQWWHVWLQJ V\VWHPPDNHVLWLPSRUWDQWLQPDQ\ILHOGVVXFKDVDHURVSDFHPHWDOOXUJ\HOHFWULFSRZHUPDFKLQHU\QXFOHDUDQGVR RQ 



&RUUHVSRQGLQJDXWKRU7HOID[ E-mail address:MR]KW#PDLOHFXVWHGXFQ

1877-7058 © 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license

(http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer-review under responsibility of the organizing committee of ICPVT-14

doi:10.1016/j.proeng.2015.12.331

1650

H.T. Zhou et al. / Procedia Engineering 130 (2015) 1649 – 1657

$FFRUGLQJWRGLIIHUHQWWHVWLQJSXUSRVHVDQGDSSOLFDWLRQREMHFWVHGG\FXUUHQWWHVWLQJLQVWUXPHQWVDUHGLYLGHGLQWR PDQ\W\SHVZLWKVDPHZRUNLQJSULQFLSOHDQGEDVLFVWUXFWXUH7KHGHWHFWLRQFRLOJHQHUDWHVDQDOWHUQDWLQJPDJQHWLF ILHOG ZKHQ D VLJQDO JHQHUDWRU VXSSOLHV DOWHUQDWLQJ FXUUHQW WR WKH GHWHFWLRQ FRLO SUREH  LQ WKH HGG\ FXUUHQW WHVWLQJ LQVWUXPHQW 7KHQ WKH PDJQHWLF ILHOG LQGXFHG E\ HGG\ FXUUHQW LQGXFHG LQ WKH LQVSHFWHG PDWHULDO UHDFWV RQ WKH GHWHFWLRQ FRLO 7KH HQHUJ\ FRXSOLQJ EHWZHHQ WKH GHWHFWLRQ FRLO DQG WKH LQVSHFWHG PDWHULDO FDXVHV WKH FKDQJH RI GHWHFWLRQ FRLO LPSHGDQFH ZKLFK FKDQJHV WKH RXWSXW VLJQDO RI WHVWLQJ V\VWHP 7KURXJK WKH DQDO\VLV RI WKH RXWSXW VLJQDOWKHLQIRUPDWLRQDERXWPDWHULDOSURSULHW\GHIHFWVOLIWRIIGLVWDQFHDQGRWKHUVLVREWDLQHG $VWKHNH\SDUWRIDWHVWLQJV\VWHPWKHGHWHFWLRQFRLOKDVDJUHDWLPSDFWRQWKHSHUIRUPDQFHRIWKHHGG\FXUUHQW WHVWLQJV\VWHP6HQVLWLYLW\DQGOLQHDULW\UDQJHDUHLPSRUWDQWSDUDPHWHUVIRUPHDVXULQJWKHSHUIRUPDQFHRIDGHWHFWLRQ V\VWHP 7KH VHQVLWLYLW\ DQG OLQHDULW\ UDQJH DUH GHFLGHG E\ WKH PDJQHWLF ILHOG GLVWULEXWLRQ >@ ZKLFK LV GLUHFWO\ DIIHFWHG E\ WKH VKDSH DQG JHRPHWULFDO SDUDPHWHUV RI WKH GHWHFWLRQ FRLO >@ +HQFH H[FHSW IRU RSWLPL]LQJ WKH GHWHFWLRQ FRLO SDUDPHWHUV >@ WKH VWXG\ RI WKH VKDSH DQG JHRPHWULFDO SDUDPHWHUV RI WKH FRLO KDV DQ LPSRUWDQW SUDFWLFDOVLJQLILFDQFHIRUWKHKLJKVHQVLWLYLW\DQGGHWHFWLRQUDQJHRIKLJKSHUIRUPDQFHSUREH %DVHG RQ SUHYLRXV UHVHDUFKHV >@ WKUHH W\SHV RI SUREH PRGHOV ZHUH HVWDEOLVKHG RQ WKH &2062/ 08/7,3+@7KH WKHRUHWLFDOVROXWLRQLVVKRZQDVIROORZV

1652

H.T. Zhou et al. / Procedia Engineering 130 (2015) 1649 – 1657

­

%

5E  P 1, ° ® ]  K OQ   5E  5D K ° 5D  ¯

5 E   ]  K 5 D  ]  K 





 ] OQ

½

5E 

5 E  ]  °

5D 

5 D  ]  °

¾

 

¿

7KHWKHRUHWLFDOFRPSXWDWLRQDOUHVXOWVRIWKHPRGHODQGWKH)(VLPXODWHGUHVXOWVDUHVKRZQLQ7DEOH$SSDUHQWO\ WKH)(PRGHOLVUHDVRQDEOHZLWKDFRPSXWDWLRQDOHUURUOHVVWKDQDQGSURYHVWKHDFFXUDF\RIWKHPRGHO 

 )LJ7KHVROYLQJPRGHOLQWKHRU\ 7DEOH7KHFRPSDULVRQEHWZHHQWKHRUHWLFDOFDOFXODWLRQVDQGILQLWHHOHPHQWDQDO\VLVUHVXOWVRIPRGHO ]PP

7KHRUHWLFDOUHVXOWmT

6LPXODWHGUHVXOWmT 

5HVXOWHUURU% 

































2SWLPL]DWLRQRIWKHHGG\FXUUHQWFRLOV 4.1. The influence of coil shape on the magnetic field distribution 7KH LQIOXHQFH RI FRLO VKDSH RQ WKH WHVWLQJ SHUIRUPDQFH LV DIIHFWHG E\ WKH PDJQHWLF ILHOG GLVWULEXWLRQ )RU RSWLPL]LQJWKHGHWHFWLRQFRLOWRLPSURYHWKHWHVWLQJSHUIRUPDQFHRIWKHFRLOWKHF\OLQGULFDOFRLOVLQJOHRUWKRJRQDO UHFWDQJXODU SUREH DQG ELRUWKRJRQDO UHFWDQJXODU SUREH ZKLFK ZHUH FRQVWUXFWHG LQ &2062/ 08/7,3+@ )RU LPSURYLQJ WHVWLQJ SHUIRUPDQFH RI WKH V\VWHPWKHVWXG\RIWKHLQKLELWLRQHIIHFWRIHDFKSUREHLVH[WUHPHO\LPSRUWDQW 

1653

H.T. Zhou et al. / Procedia Engineering 130 (2015) 1649 – 1657

 

 D 

E 

 F  )LJ7KHHIIHFWRIFRLOVKDSHRQWKHPDJQHWLFLQGXFWLRQLQWHQVLW\D &\OLQGULFDOGLIIHUHQWLDOW\SHE 6LQJOHRUWKRJRQDOUHFWDQJXODUW\SHF  %LRUWKRJRQDOUHFWDQJXODUW\SH

 

 D 

E 

)LJ7KHYROWDJHYDULDWLRQVFDXVHGE\WKHOLIWRIID )RXUFRLOVKDSHVE 7KUHHFRLOVKDSHV

1654

H.T. Zhou et al. / Procedia Engineering 130 (2015) 1649 – 1657

7KH)(DQDO\VLVRIGLIIHUHQWPRGHOVZDVHVWDEOLVKHGWRDQDO\]HWKHLQKLELWLRQHIIHFWRIFRLOVKDSHRQWKHOLIWRII HIIHFW 7KH FRQGXFWLYLW\ RI LQVSHFWHG PDWHULDO ZDV î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rack depth variation 6LPXODWLRQZDVFDUULHGRXWXVLQJDPRGHOZLWKDSUHVHWFUDFN7KHYDOXHVRIWKHZLGWKDQGOHQJWKRIFUDFNZHUH PPDQGPP7KHYDOXHVRIFUDFNGHSWKFRQVLGHUHGLQWKHVLPXODWLRQZHUHPPPPPPPP PPPPPP6ROYHGRQ&2062/08/77,3+@ >@ >@ >@ >@ >@ >@

-@,(((7UDQVDFWLRQVRQ,QVWUXPHQWDWLRQ  0HDVXUHPHQW  +XDQJ;4'LQJ7+)X=K%2SWLPL]DWLRQGHVLJQRIHGG\FXUUHQWVHQVRUFRLO¶VSDUDPHWHUVE\VLPSOLI\LQJWKHGHVWLQDWLRQIXQFWLRQ>-@ ,QVWUXPHQW7HFKQLTXHDQG6HQVRU  -@-RXUQDORI(OHFWURQLF0HDVXUHPHQW DQG,QVWUXPHQWDWLRQ  6XQ./X56=KDQJ-@&KLQD,QVWUXPHQWDWLRQ   :DQJ & / =KDQJ * 'RQJ / / HW DO 6WXG\ DQG DQDO\VLV RI HGG\FXUUHQW VHQVRU E\ )(0 VLPXODWLRQ>-@ 7UDQVGXFHU DQG 0LFURV\VWHP 7HFKQRORJLHV 

H.T. Zhou et al. / Procedia Engineering 130 (2015) 1649 – 1657

1657

>@ -@&KLQHVH -RXUQDORI6FLHQWLILF,QVWUXPHQW  >@ -@ &KLQHVH-RXUQDORI6FLHQWLILFLQVWUXPHQW  >@ 5RVDGR / 6 *RQ]DOH] - & 6DQWRV 7 * HW DO *HRPHWULF RSWLPL]DWLRQ RI D GLIIHUHQWLDO SODQDU HGG\ FXUUHQWV SUREH IRU QRQGHVWUXFWLYH WHVWLQJ>-@6HQVRUVDQG$FWXDWRUV$3K\VLFDO >@ :DQJ-@ :DQJ-&@3URFHHGLQJVRIWKHVW,QWHUQDWLRQDO&RQIHUHQFHRQ1XFOHDU(QJLQHHULQJ >@ 'X3$7KHEDVLFSULQFLSOHVIRUFUHDWLRQRIILQLWHHOHPHQWPRGHO>-@0DFKLQHU\ (OHFWURQLFV  >@ =KDQJ%0@%HLMLQJ0HFKDQLFDO,QGXVWULDO3UHVVˊ >@ 1DWK66WXG\RIWKHQHZHGG\FXUUHQWQRQGHVWUXFWLYHWHVWLQJVHQVRURQIHUURPDJQHWLFPDWHULDOV,(((7UDQVDFWLRQVRQ0DJQHWLFV