Numerical simulation of metallic wire arc additive manufacturing (WAAM)

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Abstract. Additive-manufacturing technologies have been gaining tremendously in popularity for some years in the production of single-part series with complex, ...
Numerical simulation of metallic wire arc additive manufacturing (WAAM) M. Graf, K. P. Pradjadhiana, A. Hälsig, Y. H. P. Manurung, and B. Awiszus

Citation: AIP Conference Proceedings 1960, 140010 (2018); doi: 10.1063/1.5035002 View online: https://doi.org/10.1063/1.5035002 View Table of Contents: http://aip.scitation.org/toc/apc/1960/1 Published by the American Institute of Physics

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FIGURE 5. Model of the double ellipsoid heat source by Goldak [7]

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FIGURE 6. Temperature distribution after unidirectional welding of 4 layers and pause time of 15 s after each layer (welding direction: –z) (left) and temperature evolution of one point in layer 4 (right)

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FIGURE 7. Comparison of distortion with different welding path orientations and wire feeds for 40 cm/min welding speed



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