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Identification of Damages and Stress Analysis of Rail/Wheel Rolling Contact Region

机译：铁路/车轮滚动接触区域的损伤识别和应力分析

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摘要

This paper presents the identification of damages and stress analysis of rail/wheel rolling contact region. The railhead surface of used rail track was investigated to identify damages and the hardness of the rail/wheel contact area was measured. Finite element method FEM code, ANSYS was used to determine the stress distribution at vicinity of rail/wheel contact area. The results showed that the hardness increased on the contact area between rail and wheel due to repeated rolling contact of rail and wheel surface. Severe damages and cracks were observed on the railhead surface and in the cross section of the rail at the contact region. The FEM simulation showed that the highest stress distribution regions were matched with the area of severely damage and high hardness obtained from the observation and experimental results.
机译：本文介绍了钢轨/车轮滚动接触区域的损伤识别和应力分析。对使用过的轨道的轨道头表面进行了研究，以发现损坏情况，并测量了轨道/车轮接触区域的硬度。使用有限元方法FEM代码ANSYS来确定钢轨/车轮接触区域附近的应力分布。结果表明，由于钢轨与车轮表面的反复滚动接触，使钢轨与车轮接触区域的硬度增加。在钢轨头表面和钢轨横截面的接触区域观察到严重损坏和裂缝。有限元模拟表明，最高的应力分布区域与从观察和实验结果获得的严重破坏和高硬度区域相匹配。

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  • 来源
    《》|2010年|p.1152-1157|共6页
  • 会议地点 Kuala Lumpur(MY);Kuala Lumpur(MY)
  • 作者

    N. A. Akeel; M. A. Aziman; Z. Sajuri; A. K. Ariffin; A. W. Ikhsan;

  • 作者单位

    Department of Mechanical Materials Engineering Faculty Of Engineering And Built Environment Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;

    Department of Mechanical Materials Engineering Faculty Of Engineering And Built Environment Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;

    Department of Mechanical Materials Engineering Faculty Of Engineering And Built Environment Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;

    Department of Mechanical Materials Engineering Faculty Of Engineering And Built Environment Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;

    Department of Mechanical Materials Engineering Faculty Of Engineering And Built Environment Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料一般性问题;
  • 关键词

    Rolling contact damage; Finite element method; Stress analysis; Hardness; Crack propagation; Rail/wheel;

    机译：滚动接触损坏；有限元法；压力分析；硬度;裂纹扩展；轨道/车轮;

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