Effect of HIP Treatment on Fatigue Notch Sensitivity of Ti-6Al-4V Alloy Fabricated by Electron Beam Melting
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  • 英文篇名:Effect of HIP Treatment on Fatigue Notch Sensitivity of Ti-6Al-4V Alloy Fabricated by Electron Beam Melting
  • 作者:Tao ; Sun ; Yan ; Liu ; Shu-Jun ; Li ; Jian-Ping ; Li
  • 英文作者:Tao Sun;Yan Liu;Shu-Jun Li;Jian-Ping Li;State Key Laboratory of Rolling and Automation,Northeastern University;College of Mechanical Engineering, Shenyang University;Titanium Alloy Laboratory, Institute of Metal Research,Chinese Academy of Sciences;
  • 英文关键词:Electron beam melting;;Ti-6Al-4V;;Fatigue notch sensitivity;;α Lamella;;Pores
  • 中文刊名:JSXY
  • 英文刊名:金属学报(英文版)
  • 机构:State Key Laboratory of Rolling and Automation,Northeastern University;College of Mechanical Engineering, Shenyang University;Titanium Alloy Laboratory, Institute of Metal Research,Chinese Academy of Sciences;
  • 出版日期:2019-07-15
  • 出版单位:Acta Metallurgica Sinica(English Letters)
  • 年:2019
  • 期:v.32
  • 基金:supported financially by the National Natural Science Foundation of China (No. 51274063);; the Fundamental Research Funds for the Central Universities (No. N170704015)
  • 语种:英文;
  • 页:JSXY201907009
  • 页数:7
  • CN:07
  • ISSN:21-1361/TG
  • 分类号:75-81
摘要
The effect of hot isostatic pressing(HIP)treatment on the fatigue notch sensitivity of Ti-6A1-4V alloy fabricated by electron beam melting(EBM)was investigated.The results indicate that the fatigue notch sensitivity of the as-fabricated samples is much lower than that of HIPed samples.The variation of α lamella thickness and the distribution of pore defects have an effect on the fatigue strength in smooth and notched EBM Ti-6A1-4V samples,resulting in the divergence of the as-fabricated and HIPed samples on fatigue notch sensitivity.
        The effect of hot isostatic pressing(HIP)treatment on the fatigue notch sensitivity of Ti-6A1-4V alloy fabricated by electron beam melting(EBM)was investigated.The results indicate that the fatigue notch sensitivity of the as-fabricated samples is much lower than that of HIPed samples.The variation of α lamella thickness and the distribution of pore defects have an effect on the fatigue strength in smooth and notched EBM Ti-6A1-4V samples,resulting in the divergence of the as-fabricated and HIPed samples on fatigue notch sensitivity.
引文
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