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首页> 外文期刊>Journal of Tribology >Application of a deterministic contact model to analyze the contact of a rough surface against a flat layered surface
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Application of a deterministic contact model to analyze the contact of a rough surface against a flat layered surface

机译:确定性接触模型在分析粗糙表面与平坦层表面的接触中的应用

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摘要

In this paper a rough surface is modeled as an array of asperities represented by spheres with different radii and heights to be able to calculate the deformation (elastic, elastic-plastic, and plastic) at each asperity in contact. The total contact area and the total load carried are calculated by summarizing respectively the contact area and the load carried by each individual asperity (deterministic model). This model will diminish the assumption of an average asperity radius and enable one to calculate the contact of non-Gaussian surface more precisely Further in this paper the deterministic model is used to analyze the contact behavior of a rough surface against a flat layered surface by modeling the flat layered surface as a solid that has effective mechanical properties as a junction of indentation depth.
机译:在本文中,将粗糙表面建模为由具有不同半径和高度的球体表示的粗糙阵列,以便能够计算每个粗糙接触处的变形(弹性,弹塑性和塑性)。通过分别汇总每个个体粗糙物的接触面积和负荷来计算总接触面积和总负荷(确定性模型)。此模型将减少平均凹凸半径的假设,并使人们能够更精确地计算非高斯表面的接触。在本文中,确定性模型用于通过建模分析粗糙表面与平坦层表面的接触行为作为固体的平坦层状表面,具有有效的机械性能,可作为压痕深度的结合点。

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