Working Paper Article Version 1 This version is not peer-reviewed

A Multi-Plateaus Contact Model for Rough Surfaces

Version 1 : Received: 10 October 2020 / Approved: 12 October 2020 / Online: 12 October 2020 (15:48:33 CEST)

How to cite: WANG, G. A Multi-Plateaus Contact Model for Rough Surfaces. Preprints 2020, 2020100253 WANG, G. A Multi-Plateaus Contact Model for Rough Surfaces. Preprints 2020, 2020100253

Abstract

The accurate calculation of real contact area between rough surfaces is a key issue in tribology. In this paper, based on the geometrical information of total contact area and the number of contact spots with respect to surface separation, a new method is proposed to determine the relation between real contact area and normal load. The contact of rough surfaces is treated as an accumulation of incremental multi-plateaus indentations with varying average contact radius. Comparisons with direct finite element calculations and some other theoretical predictions demonstrate the efficiency of this approach.

Subject Areas

Contact; Rough Surfaces; Plateaus; Real Contact Area

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