期刊
INTERNATIONAL JOURNAL OF FRACTURE
卷 188, 期 1, 页码 71-78出版社
SPRINGER
DOI: 10.1007/s10704-014-9947-3
关键词
Ball bearings; Rolling contact fatigue; Microscopic analysis; Fatigue crack
资金
- National Basic Research Program of China [2011CB706605]
- Ministry of Education of China [IRT13087]
- 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]
Rolling contact fatigue in a ball bearing is studied using the experimental method. Fatigue pits and spallings on the rolling surface are investigated, and the strain-hardening beneath the contact surface is studied using the microhardness profile. Moreover, surface and subsurface crack layouts and the effect of inclusions on crack nucleation are studied by optical and electron microscopy. Additionally, a simulated model is used to study the influences of the crack inclined angle and the inclusion's hardness on fatigue damage in bearings.
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