Journal
TRIBOLOGY INTERNATIONAL
Volume 43, Issue 3, Pages 585-593Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2009.09.007
Keywords
Rolling contact fatigue; Railway wheel; Material defects; Finite-element method
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Funding
- University of Metz
- Laboratoire de Physique et Mecanique des Materiaux at Metz
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This paper concerns the modelling of the rolling contact fatigue of a railway wheel steel, which is simulated with moving Hertzian contact pressure. Parametric studies are carried out with a two-dimensional elastic-plastic finite element model of a part of a wheel containing defects. Several parameters, namely the size and shape of material defects, the load magnitude and the friction coefficient are varied to investigate their effect on the railway wheel fatigue damage. Defects or small friction coefficient are a plausible explanation to the initiation of deep subsurface fatigue cracks. (C) 2009 Elsevier Ltd. All rights reserved.
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