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ToolsZolotarevskiy, V., Kadin, Y., Vieillard, C. and Hadfield, M., 2020. Modelling the criticality of silicon nitride surface imperfections under rolling and sliding contact. Tribology International, 148 (August), 106317.
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DOI: 10.1016/j.triboint.2020.106317
Abstract
Ceramic rolling elements of hybrid bearings may initially include surface imperfections. In order to provide reliable operation of a bearing, the criticality of such imperfections under rolling contact fatigue is examined by defining them as Star features: intersecting semi-elliptical surface cracks. Parametric study is conducted using Finite Element Method and discussed with help of previously published experimental observations. The effects of the Star feature morphology and configuration, contact pressure and crack face friction are investigated in terms of stress intensity factors. Possible crack propagation scenarios are explained in the present study.
| Item Type: | Article |
|---|---|
| ISSN: | 0301-679X |
| Uncontrolled Keywords: | Surface defects; Rolling Contact Fatigue; Hybrid Bearings; Ceramics |
| Group: | Faculty of Science & Technology |
| ID Code: | 33932 |
| Deposited By: | Symplectic RT2 |
| Deposited On: | 30 Apr 2020 15:22 |
| Last Modified: | 14 Mar 2022 14:21 |
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