Effect of reinforcements on rolling contact fatigue behaviors of titanium matrix composite (TiB + TiC)/Ti-6Al-4V

Lechun Xie, Qinghua Zhou, Xiaoqing Jin, Zhanjiang Wang, Chuanhai Jiang, Weijie Lu, Jiaxu Wang, Q. Jane Wang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Rolling contact fatigue (RCF) behaviors of titanium matrix composites (TiB + TiC)/Ti-6Al-4V are investigated, including the microstructural variables, the stress distribution and the RCF life. The effect of reinforcements on RCF is observed in detail. The microstructural information, especially pertaining to the reinforcements, is obtained through scanning electron microscope. The influence of reinforcements on stress distribution is studied via analyses of subsurface stress distributions based on an approximate numerical method, in which the reinforcement distributions are taken into account. The results reveal that the existence of reinforcements causes RCF life reduction due to the stress concentration in and around the reinforcements.

Original languageEnglish (US)
Pages (from-to)127-137
Number of pages11
JournalInternational Journal of Fatigue
Volume66
DOIs
StatePublished - Sep 2014

Keywords

  • Computational modelling
  • Microstructures
  • Reinforcement
  • Rolling contact fatigue
  • Titanium matrix composite

ASJC Scopus subject areas

  • Modeling and Simulation
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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