Paper Title:
Effect of Wheel/Rail Friction on Rolling Contact Fatigue
  Abstract

A numerical model is presented to analyze effect of wheel/rail friction on rolling contact fatigue. A three-dimension finite element model of rail is built up to investigate the rail stresses and strain around wheel/rail patch. Then, based on the critical plane concept, a new model was proposed to predict the rolling contact fatigue (RCF) crack initiation life under different wheel/rail frictions by using stress and strain on the critical plane as fatigue parameter. The numerical results obtained show that the wheel/rail friction coefficient has a great impact on the fatigue crack initiation life.and the curve of fatigue crack initiation life under different wheel/rail friction coefficient is roughly "S" type. The results are very useful in the wheel/rail friction management and determining grinding interval and grinding removal.

  Info
Periodical
Advanced Materials Research (Volumes 160-162)
Edited by
Guojun Zhang and Jessica Xu
Pages
1636-1640
DOI
10.4028/www.scientific.net/AMR.160-162.1636
Citation
J. X. Wang, W. Xiao, X. D. Zhang, "Effect of Wheel/Rail Friction on Rolling Contact Fatigue", Advanced Materials Research, Vols. 160-162, pp. 1636-1640, 2011
Online since
November 2010
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Price
$32.00
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