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Effect of residual stress induced by ultrasonic surface rolling on fretting fatigue behaviors of Ti-6Al-4V alloy

  • Kaifa Fan
  • , Daoxin Liu
  • , Xiaohua Zhang
  • , Dan Liu
  • , Weidong Zhao
  • , Jing Yang
  • , Amin Ma
  • , Mengyao Li
  • , Yanan Qi
  • , Junfeng Xiang
  • , Magd Abdel Wahab
  • Northwestern Polytechnical University Xian
  • Ghent University

科研成果: 期刊稿件 › 文章 › 同行评审

52 引用 (Scopus)

摘要

The compressive residual stress (CRS) introduced by ultrasonic surface rolling process has been proved to be the dominating factor to improve the fretting fatigue (FF) life of materials. In present work, the effects of CRS on the crack initiation and crack propagation were investigated through interrupted FF tests and finite element methods. The main function of CRS was to increase the crack propagation life but had less contribution in prolonging the initiation life. In addition, the FF crack initiation for Ti-6Al-4V titanium alloy was revealed to have the characteristics of multi-source and easy nucleation.

源语言英语
期刊论文编号108150
期刊Engineering Fracture Mechanics
卷259
DOI
出版状态已出版 - 1月 2022

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