Effect of material defects on crack initiation under rolling contact fatigue in a bearing ring

被引：27
|
作者：
Hua, Lin [1 ]
Deng, Song [1 ]
Han, Xinghui [1 ]
Huang, Song [1 ]
机构：
[1] Wuhan Univ Technol, Sch Automot Engn, Hubei Key Lab Adv Technol Automot Parts, Wuhan 430070, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2013年 / 66卷
基金：
中国国家自然科学基金;
关键词：
Bearing ring; Material defects; Rolling contact fatigue; Stress intensity factors; ELEMENT-ANALYSIS; RAILWAY WHEELS; LIFE; PROPAGATION; PREDICTION; MODEL;
D O I：
10.1016/j.triboint.2013.06.008
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The effects of material defects such as pores on the crack initiation under rolling contact fatigue (RCF) in a bearing ring are investigated here. First, the main contact position between the ball and the raceway surface is investigated, and the effect of the depth of the pore on the crack initiation is analyzed. Second, several parameters, such as radial load, surface traction and raceway groove curvature radius (RGCR), are varied to evaluate stress intensity factors (SIFs), crack growth rates and crack growth angles. The results provide valuable guidelines for enhanced understanding of RCF in bearings. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：315 / 323
页数：9
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