Effects of imperfections on fatigue initiation in railway wheels

Abstract The paper begins with a description of three observed types of fatigue failure. It continues with a discussion on fatigue mechanisms and numerical modelling of rolling contact fatigue, especially in the presence of material defects. Based on this discussion, the main mechanisms behind the t...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part F, Journal of rail and rapid transit Journal of rail and rapid transit, 2000-01, Vol.214 (1), p.45-54
Main Authors: Ekberg, A, Marais, J
Format: Article
Language:English
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Summary:Abstract The paper begins with a description of three observed types of fatigue failure. It continues with a discussion on fatigue mechanisms and numerical modelling of rolling contact fatigue, especially in the presence of material defects. Based on this discussion, the main mechanisms behind the three types of failure are analysed from a mechanical point of view. Finally, practical implications of the results in this paper are discussed and some suggestions of means of preventing fatigue failure of railway wheels are put forward. Future research areas are indicated.
ISSN:0954-4097
2041-3017
DOI:10.1243/0954409001531234