On the role of scales in contact mechanics and friction between elastomers and randomly rough self-affine surfaces

The paper is devoted to a qualitative analysis of friction of elastomers from the point of view of scales contributing to the force of friction. We argue that – contrary to widespread opinion – friction between a randomly rough self-affine fractal surface and an elastomer is not a multiscale phenome...

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Published in:Scientific reports 2015-06, Vol.5 (1), p.11139-11139, Article 11139
Main Authors: Popov, Valentin L., Dimaki, Andrey, Psakhie, Sergey, Popov, Mikhail
Format: Article
Language:English
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639/166/988
639/301/1034/1037
Elastomers
Fractals
Friction
Humanities and Social Sciences
Hypotheses
Mathematical models
multidisciplinary
Qualitative analysis
Science
Viscoelasticity
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cited_by cdi_FETCH-LOGICAL-c438t-409790f76411c7ed54d5b29e96aaebac0d7b51192af12c4b4d90bec5a11fb7a83
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creator Popov, Valentin L.
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Popov, Mikhail
description The paper is devoted to a qualitative analysis of friction of elastomers from the point of view of scales contributing to the force of friction. We argue that – contrary to widespread opinion – friction between a randomly rough self-affine fractal surface and an elastomer is not a multiscale phenomenon, but is governed mostly by the interplay of only two scales – as a rule the largest and the smallest scales of roughness of the contacting bodies. The hypothesis of two-scale character of elastomer friction is illustrated by computer simulations in the framework of the paradigm of Greenwood, Tabor and Grosch using a simplified one-dimensional model.
doi_str_mv 10.1038/srep11139
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subjects 639/166/988
639/301/1034/1037
Elastomers
Fractals
Friction
Humanities and Social Sciences
Hypotheses
Mathematical models
multidisciplinary
Qualitative analysis
Science
Viscoelasticity
title On the role of scales in contact mechanics and friction between elastomers and randomly rough self-affine surfaces
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