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XU Chuan-lai, MI Cai-ying, LI Fu. Structural fatigue strength analysis of wheel for freight car base on axisymmetric model[J]. Journal of Traffic and Transportation Engineering, 2008, 8(6): 20-23.
Citation: XU Chuan-lai, MI Cai-ying, LI Fu. Structural fatigue strength analysis of wheel for freight car base on axisymmetric model[J]. Journal of Traffic and Transportation Engineering, 2008, 8(6): 20-23.
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Structural fatigue strength analysis of wheel for freight car base on axisymmetric model

  • School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

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  • Author Bio:

    XU Chuan-lai (1984-), male, graduate student, +86-28-87602413, xcl03@yahoo.com.cn

    MI Cai-ying (1965-), male, professor, PhD, +86-28-87602413, caiyingmi@163.com

  • Received Date: 2008-07-23
  • Publish Date: 2008-12-25
    Abstract
  • In order to analyze the fatigue strength of wheel for railway freight car, an axisymmetric model was set up, the strength was computed according to the calculation load and load conditions of international railway union standards UIC510-5/2003, and the strength was assessed by using Goodman curve. Calculation result shows the maximum von_Mises stress appears on the spoke under the thermal load of emergency braking when the braking time is 70 s, the maximum von_Mises stress appears on the spoke under the thermal load and the mechanical load of emergency braking when the braking time is 43 s, the maximum von_Mises stress appears on the spoke under the calculation load of curvilinear emergency braking, and the fatigue strength of the spoke meets the relative requirement.

     

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