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Article Dans Une Revue Fatigue and Fracture of Engineering Materials and Structures Année : 2013

Effects of sliding on rolling contact fatigue of railway wheels

Résumé

This paper proposes a numerical approach based on a steady-state algorithm to predict the rolling contact fatigue crack initiation in railway wheels in practical conditions. This work suggests taking into account the cyclic hardening of the wheel's material and one of its originality is to conduct a complete numerical approach whatever the loading level. The main stages are the characterization and modelling of the material behaviour, the determination of the stress-strain fields using a numerical steady-state method and the application of a high cycle fatigue criterion. Computations were made with the Abaqus FE commercial software. Three cases are studied: rolling with or without sliding and skating. The numerical results give several types of mechanical responses: elastic or plastic shakedown. Otherwise, the results show that the location where the shear stress is maximal is not the same as where the risk of crack is the highest.
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hal-00863592 , version 1 (15-07-2021)

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Amavi Langueh, Jean-François Brunel, Eric Charkaluk, Philippe Dufrenoy, Jean-Bernard Tritsch, et al.. Effects of sliding on rolling contact fatigue of railway wheels. Fatigue and Fracture of Engineering Materials and Structures, 2013, 36 (6), pp.515-525. ⟨10.1111/ffe.12020⟩. ⟨hal-00863592⟩

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