Parametric study on stressed volume and its application to the quantification of rolling contact fatigue performance of heterogeneous material

Wanyou Yang, Yanyan Huang, Qinghua Zhou*, Jiaxu Wang, Xiaoqing Jin, Leon M. Keer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

This research explores the influence of distributed inhomogeneities and surface asperities on the stressed volume of heterogeneous material in contact with a sphere. The recently developed modeling method for solving rough-surface contact problems involving distributed inhomogeneities, incorporated with FFT algorithms and a mesh differential refinement scheme, is utilized. The effective stressed volume, quantitatively described by effective depth, length and width, is investigated to characterize the rolling-contact-fatigue influence zone in heterogeneous material. Furthermore, a parametric study is conducted for the influences of inhomogeneity distribution and surface roughness on volumetric stress integral in order to understand the rolling contact fatigue performance of particle-laden inhomogeneous materials.

Original languageEnglish (US)
Pages (from-to)221-232
Number of pages12
JournalTribology International
Volume107
DOIs
StatePublished - Mar 1 2017

Keywords

  • Distributed inhomogeneities
  • Rolling contact fatigue
  • Stressed volume
  • Surface asperity
  • Volumetric stress integral

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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