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논문 기본 정보

자료유형
학술저널
저자정보
Xinfa Sun (China University of Mining and Technology) Yucheng Zhao (China University of Mining and Technology) Weiming Yang (China University of Mining and Technology) Wenyu Li (china University of Mining and Technology) Dengfeng Yang (China University of Mining and Technology) Haishun Liu (China University of Mining and Technology)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.28 No.12
발행연도
2022.12
수록면
3,057 - 3,067 (11page)
DOI
10.1007/s12540-022-01179-8

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초록· 키워드

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The additive manufacturing of titanium alloy parts has important scientific significance and practical value. Controllingthe distribution of residual stress caused by the high cooling rate and temperature gradient is the key to regulating the performanceof devices obtained from additive manufacturing. In this work, the effects of the interlayer scanning angle on theresidual stress in Ti–6Al–4V parts manufactured by selective laser melting were investigated by finite element simulations.We studied how changing the interlayer deflection angle alleviated residual stress under different energy inputs. The resultsshowed that the residual stress in the z-direction was reduced by the deflection angle of 67° and 90°, and the non-uniformdistribution of residual stress was reduced by a deflection angle of 67°. The combination of a chessboard pattern and interlayerdeflection angle greatly alleviated the generation of residual stress. This work has important guiding significance forthe additive manufacturing design of high-quality and high-performance titanium alloy devices.

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