Journal
TRIBOLOGY TRANSACTIONS
Volume 58, Issue 3, Pages 432-443Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10402004.2014.983250
Keywords
Bearing Ring; Surface Crack; Rolling Contact Fatigue; Stress Intensity Factors
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Funding
- National Basic Research Program of China [2011CB706605]
- Innovative Research Team Development Program of Ministry of Education of China [IRT13087]
- Innovative Research Groups of the Natural Science Foundation of Hubei Province [2011CDA12]
- High-End Talent Leading Program of Hubei Province [2012-86]
- Fundamental Research Funds for the Central Universities [2013-IV-014]
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The surface crack growth under rolling contact fatigue in a bearing ring is investigated in this study. To study the fatigue crack propagation under rolling contact fatigue, a fatigue crack is observed in a tapered roller bearing ring. Then, a realistic three-dimensional model of a bearing ring containing a surface crack is established. Several parameters, such as the crack depth, inclination angle, and propagation direction, are varied to study their effects on rolling contact fatigue in the bearing ring in terms of stress intensity factor (SIF) calculations. The crack growth angle is also estimated by the maximum tangential stress criterion. The results provide valuable guidelines for enhanced understanding of the surface crack growth in bearings.
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