Rolling Contact Fatigue Simulation Considering Surface Integrity

Author:  B. Zhang1, G. Xiang1, H. Liu1*, P. Wei1, J. Wu1 1 State Key Laboratory of Mechanical Transmissions, Chongqing University, China
Source:  ICSP14 Milan
Doc ID:  2022099
Year of Publication:  2022
Abstract Rolling contact fatigue prediction is significant for the design of heavy-duty, high-reliability components, such as gears and bearings. For accurate prediction, it is vital to consider surface integrity parameters, such as surface roughness, hardness, and residual stress in the fatigue life model. Herein, an elastic-plastic finite element contact model of AISI 9310 rollers was developed, considering measured surface integrity parameters before and after shot peening. Subsequently, the Brown-Miller-Morrow multiaxial fatigue criterion was utilised to calculate fatigue life at each material point. By comparing with experimental results, the rolling contact fatigue model exhibits accurate simulation results and offers an effective tool for evaluating the effect of surface integrity on fatigue performance. Keywords Rolling contact fatigue, shot peening, surface integrity, multiaxial fatigue

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