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Numerical Analysis of Sliding Friction Behaviour of Rubber

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Abstract:

A study has been made of asperity interaction of unlubricated steel/rubber sliding pair. The aim is to study the effect of the internal friction (hysteresis) of rubber on the friction force. In the two-dimensional finite element analysis, asperities are modeled by cylinders and both the interfacial adhesion and the friction at steel-rubber interface are neglected. Rate-dependent material behavior of rubber is described, as a first approximation, by a three-parameter Zener-model. It is found that the viscoelastic properties of rubber have a strong influence on the hysteresis component of friction. Distribution of energy loss generated over a cycle of contact in the rubber asperity is also studied. It is concluded that the energy dissipation is most intensive at a certain depth below the rubber surface.

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Periodical:

Materials Science Forum (Volumes 537-538)

Pages:

615-622

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.537-538.615

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Online since:

February 2007

Authors:

Eniko Soós, Tibor Goda

Keywords:

Asperity, Finite Element Analysis (FEA), Hysteresis, Rubber, Sliding Friction

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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