Working Paper Article Version 1 This version is not peer-reviewed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

A peer-reviewed article of this Preprint also exists.

Wang, G.F.; Liang, X.M.; Yan, D. An Incremental Equivalent Circular Contact Model for Rough Surfaces. Journal of Tribology 2021, 143, doi:10.1115/1.4050602. Wang, G.F.; Liang, X.M.; Yan, D. An Incremental Equivalent Circular Contact Model for Rough Surfaces. Journal of Tribology 2021, 143, doi:10.1115/1.4050602.

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.

Keywords

Contact; Rough Surfaces; Plateaus; Real Contact Area

Subject

Engineering, Automotive Engineering

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