Three-Dimensional Simulation of Rolling Contact Fatigue Crack Growth in UIC60 Rails

被引：42
|
作者：
Nejad, Reza Masoudi [1 ]
Farhangdoost, Khalil [1 ]
Shariati, Mahmoud [1 ]
机构：
[1] Ferdowsi Univ Mashhad, Dept Mech Engn, Fac Engn, Mashhad, Iran
来源：
TRIBOLOGY TRANSACTIONS | 2016年 / 59卷 / 06期
关键词：
Rolling contact fatigue; fatigue life; residual stresses; finite element method; damage mechanic; SURFACE CRACKS; STRESS; PROPAGATION; PREDICTION;
D O I：
10.1080/10402004.2015.1134738
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this article, a UIC60 rail with accurate geometry is studied by employing the finite element method. For this purpose, a three-dimensional elastic-plastic finite element model is conducted using model. In addition, the stress distribution of wheel-rail operation is acquired, and its effects on fatigue life are specified by damage mechanic methods. In the finite element model, the displacements and stress intensity factors (SIFs) are computed on the crack near the leading edge to calculate crack propagation trajectories and crack growth rate. The modified Paris model is used to estimate fatigue crack growth rates.
引用
收藏
页码：1059 / 1069
页数：11
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