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题名: Effect of HIP Treatment on Fatigue Crack Growth Behavior of Ti-6Al-4V Alloy Fabricated by Electron Beam Melting
作者: Liu, Yan;  Zhang, Jun;  Li, Shu-Jun;  Hou, Wen-Tao;  Wang, Hao;  Xu, Qin-Si;  Hao, Yu-Lin;  Yang, Rui
发表日期: 2017-12-1
摘要: The effect of hot isostatic pressing treatment on the fatigue crack growth behavior of Ti-6Al-4V alloy fabricated by electron beam melting was investigated. The results indicate that the fatigue crack growth rate of the HIPed samples is higher than that of the as-fabricated one under certain stress intensity factor (Delta K < 18 MPa m(1/2)). With further increase in DK, the fatigue crack growth rates of the studied two samples become similar. The variation of a lamella thickness and the pore defects distribution have an effect on the fatigue crack growth rates in the studied samples, and the latter plays the dominant role.
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Recommended Citation:
Liu, Yan,Zhang, Jun,Li, Shu-Jun,et al. Effect Of Hip Treatment On Fatigue Crack Growth Behavior Of Ti-6al-4v Alloy Fabricated By Electron Beam Melting[J]. Chinese Acad Sciences, Inst Metal Research,2017,30(12):1163-1168.

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