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首页> 外文期刊>Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear >Boundary element analysis of surface initiated rolling contact fatigue cracks in wheel/rail contact systems
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Boundary element analysis of surface initiated rolling contact fatigue cracks in wheel/rail contact systems

机译：轮轨接触系统中表面引发的滚动接触疲劳裂纹的边界元分析

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摘要

This study performed the boundary element analysis of the cycle of stress intensity factors at the surface initiated rolling contact fatigue crack tip under Hertzian contact stress including an accurate model of friction between the faces of the crack and the effect of fluid inside the crack. A two-dimensional model of a rolling contact fatigue crack has been developed. The model includes the effect of Coulomb friction between the faces of the crack. The fluid in the crack was assumed not only to lubricate the crack faces and reduce the crack face friction coefficient but also to generate a pressure. The obtained results are compared with those of other researchers showing good consistency.
机译：这项研究对表面启动的滚动接触疲劳裂纹尖端在赫兹接触应力作用下的应力强度因子循环进行了边界元分析，包括一个精确的裂纹表面之间的摩擦模型以及裂纹内部流体的作用模型。已经建立了滚动接触疲劳裂纹的二维模型。该模型包括裂纹面之间的库仑摩擦效应。假定裂纹中的流体不仅润滑裂纹面并降低裂纹面摩擦系数，而且还产生压力。将获得的结果与显示出良好一致性的其他研究人员进行比较。

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