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Modelling of surface initiated rolling contact fatigue damage
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).ORCID iD: 0000-0001-6896-1834
2013 (English)In: Fatigue Design 2013, International Conference Proceedings, Elsevier, 2013, 766-774 p.Conference paper, Published paper (Refereed)
Abstract [en]

A parametric study was performed to investigate the contribution of surface roughness, friction and a constant residual surface stress to the rolling contact fatigue damage process. The effects on initiation, crack path and fatigue life were examined for a gear application. The asperity point load model could predict effects on rolling contact fatigue that are observed with experiments. The study of a ring/cone crack subjected to a rolling contact fatigue load allowed to explain the v-shaped cracks typical for surface initiated spalling. The results further support the asperity point load mechanism as a source behind surface initiated rolling contact fatigue.

Place, publisher, year, edition, pages
Elsevier, 2013. 766-774 p.
Series
Procedia Engineering, ISSN 1877-7058 ; 66
Keyword [en]
Asperity, Crack closure, Crack path, Fatigue life, Initiation, Rolling contact fatigue, Spalling, Surface crack
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-147480DOI: 10.1016/j.proeng.2013.12.130ISI: 000338327000075Scopus ID: 2-s2.0-84894412288OAI: oai:DiVA.org:kth-147480DiVA: diva2:730137
Conference
5th International Conference on Fatigue Design, Fatigue Design 2013, 27 November 2013 through 28 November 2013, Senlis, france
Note

QC 20140627

Available from: 2014-06-27 Created: 2014-06-27 Last updated: 2014-08-04Bibliographically approved

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Alfredsson, Bo

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