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Life prediction of rolling contact fatigue crack initiation

✍ Scribed by Jonas W Ringsberg


Book ID
108401133
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
367 KB
Volume
23
Category
Article
ISSN
0142-1123

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In finite element (FE) simulations of a twin disc test of a wheel/rail contact, fatigue crack initiation criteria for elastic shakedown, plastic shakedown and ratchetting material responses were evaluated for a pearlitic rail steel BS11 normal grade. The Chaboche material model for nonlinear isotrop

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A new multiaxial high-cycle fatigue initiation life prediction model for railroad wheels is proposed in this paper. A general fatigue damage analysis methodology for complex mechanical components is developed and applied to the wheel/rail rolling contact fatigue problem. A 3-D elasto-plastic finite