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Fatigue life evaluation of disk brake of railway vehicle considering pressure distributions at frictional surface

机译:考虑摩擦面压力分布的铁路车辆盘式制动器疲劳寿命评估

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摘要

In this study, the thermal stress analysis was performed on a ventilated disk brake with a 3D model for two cases (whether the pressure distribution on a contact surface is uniform or not). A pressure distribution analysis was performed to determine the pressure distribution on the contact surface. Then, by using the results obtained from the pressure distribution analysis, the thermal stress analysis was performed. Also, for the life evaluation of a disk brake, the fatigue test was conducted and the S- N curve was obtained. From those results, the life of a disk brake was evaluated.
机译:在本研究中,对使用3D模型的通风盘式制动器在两种情况下(无论接触面上的压力分布是否均匀)进行了热应力分析。进行压力分布分析以确定接触表面上的压力分布。然后,通过使用从压力分布分析获得的结果,进行热应力分析。另外,为了评估盘式制动器的寿命,进行了疲劳试验并获得了S-N曲线。根据这些结果,评估了盘式制动器的寿命。

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