2024
DOI: 10.1177/10567895241234383
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A rolling contact fatigue life prediction model for bearing steel considering its gradient structure due to cyclic hardening

Yue Zhao,
Xi Wang,
Rubing Guo
et al.

Abstract: This paper presents a rolling contact fatigue life prediction model for bearing steel. In the initial stage of rolling contact, the gradient structure appears in the subsurface region of bearing steel and the hardness shows a gradient distribution along the contact depth direction due to the roller compaction effect. This indicates that the fatigue resistance of bearing steel varies in the subsurface region. Besides, each subsurface material volume element is subject to different stress cycles. Based on Weibul… Show more

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