不同轨底坡设置对钢轨轨头受力影响分析_文档在线阅读与word免费下载 关键词：轮轨接触应力；踏面；轨底坡 [gap=472]Key words: wheel rail contact stress; tread; rail base slope
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The finite element analysis of the wheel rail contact shows that the maximum stress under the subsurface exceeds first yield strength, which leads to plastic deformation.
在对轮-轨系统进行有限元分析的基础上，研究了轨道的受力情况和摩擦系数对应力分布的影响，讨论了轨道的弹塑变形和安定极限。
Rail-wheel contact stress depends to a large extent on the matching of rail-wheel geometry parameters.
轮轨接触几何参数的匹配优劣直接影响着轮轨接触应力值的大小。
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