Thermomechanical wear modelling

Tribotest Pub Date : 1994-12-01 DOI:10.1002/TT.3020010202
R. Cowan, W. 0. Winer
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引用次数: 6

Abstract

It is assumed that the contact between bodies in sliding motion produces a stress field and frictional heat source that may induce severe wear from material yielding or fracture. For this situation, a thermomechanical wear model is used to develop a wear transition equation for identifying the dominant factors that will reduce or control such wear, by employing thermoelasticity analyses and contact mechanics. This equation is used to construct wear maps for ease of analysis. Studies are used to substantiate the thermomechanical wear model with experimental results that emphasise the transition from mild to severe wear for dry and lubricated metallic and ceramic sliding contacts under load.
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热机械磨损模型
假定滑动运动中物体之间的接触会产生应力场和摩擦热源,从而导致材料屈服或断裂造成严重磨损。在这种情况下,采用热弹性分析和接触力学,建立一个热机械磨损模型,建立一个磨损过渡方程,以确定减少或控制这种磨损的主要因素。该方程用于构造磨损图,以便于分析。研究用实验结果证实了热机械磨损模型,强调了干燥和润滑的金属和陶瓷滑动接触在载荷下从轻度到严重磨损的转变。
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