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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >The Effect of Interaction between Neighboring Asperity Contacts on Wear Mode Transition in Sliding Contact of Rough Surfaces
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The Effect of Interaction between Neighboring Asperity Contacts on Wear Mode Transition in Sliding Contact of Rough Surfaces

机译：粗糙表面滑动接触中相邻粗糙接触之间的相互作用对磨损模式转变的影响

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Concerning the final aim, that is to make clear the mechanism of the wear mode transition from mild to severe belong to the increase of contact pressure in adhesive wear, estimation of the yielding condition in subsurface under contact boundary between rough surfaces was attempted in this study. Especially the effects of interaction between neighboring contacts as well as relative sliding on the yielding area were focused. The contacts between asperities were modeled by the contact between two neighboring hard wedges with the parallel axes and soft plane to be simplified. These models were calculated by commercial FEM solver in 2-dimension. Additionally, the effect of the difference between the heights of two wedges on the yielding region was evaluated by comparing the result with that obtained from the simple model of two wedges with the same height in non-sliding contact. The results showed that the effect of the interaction between adjacent contacts and existence of relative slip motion give significant factors to the yielding state, on the other hand, the height difference between neighboring asperities affects little the determination of the yielding region.
机译：关于最终目的，即为了弄清磨损模式从轻度过渡到严重的机理，归因于粘合剂磨损中接触压力的增加，本研究尝试估算粗糙表面之间的接触边界下地下的屈服条件。 。尤其要注意相邻触点之间的相互作用以及相对滑动对屈服区域的影响。粗糙之间的接触是通过两个相邻的平行于轴和软平面的硬楔之间的接触来建模的。这些模型是由商用FEM求解器按二维计算的。另外，通过将结果与从两个具有相同高度的非滑动接触的楔形物的简单模型中获得的结果进行比较，来评估两个楔形物之间的高度差对屈服区域的影响。结果表明，相邻接触点之间的相互作用和相对滑动运动的存在对屈服状态有重要影响，另一方面，相邻粗糙物之间的高度差对屈服区域的确定影响很小。

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