Fatigue performances of selective laser melted Ti-6Al-4V alloy: Influence of surface finishing, hot isostatic pressing and heat treatments

Hanchen Yu,Fangzhi Li,Zemin Wang,Xiaoyan Zeng

International Journal of Fatigue（2019）

引用 82|浏览2

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摘要

•Surface finishing improves the fatigue performances of SLMed Ti-6Al-4V.•HIP and heat treatments coarsen the α laths and improve the ductilities.•HIP and heat treatments increase the fatigue limits of SLMed Ti-6Al-4V.•Pores accelerate the fatigue crack initiation and lower the fatigue limit.

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关键词

Selective laser melting,Fatigue performance,Surface finishing,Hot isostatic pressing,Heat treatment

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