Estimation and Analysis for the Fatigue Life of Rail Joint Bolt

被引：1
|
作者：
Li, Xiaopeng [1 ]
Ju, Xing [1 ]
Zhao, Guanghui [1 ]
Liang, Yamin [1 ]
机构：
[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Peoples R China
来源：
ADVANCED MATERIALS AND ENGINEERING MATERIALS II | 2013年 / 683卷
关键词：
Rail joint bolt; Fatigue failure; Pre-tightening torque; Fatigue life;
D O I：
10.4028/www.scientific.net/AMR.683.783
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
One of the most important reasons for railway traffic accidents is the fatigue failure of the rail joint bolt. Therefore, the research on the fatigue properties of rail joint bolt has important practical significance. This paper analyzed the influence of different pre-tightening torque on the fatigue life of the rail joint bolt. Besides, the best pre-tightening torque of the bolt was acquired through theoretical calculations. Finally, the fatigue life of the rail joint bolt was predicted according to the relevant basic theory and methods of fatigue life analysis, which applied numerical simulation technology.
引用
收藏
页码：783 / 786
页数：4
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