Contact mechanics and rubber friction for randomly rough surfaces with anisotropic statistical properties

被引：0
|
作者：
G. Carbone
B. Lorenz
B. N. J. Persson
A. Wohlers
机构：
[1] IFF,IFAS
[2] FZ-Jülich,undefined
[3] DIMeG - Politecnico di Bari,undefined
[4] RWTH Aachen University,undefined
来源：
The European Physical Journal E | 2009年 / 29卷
关键词：
46.55.+d Tribology and mechanical contacts; 81.40.Pq Friction, lubrication, and wear; 62.40.+i Anelasticity, internal friction, stress relaxation, and mechanical resonances; 81.05.Lg Polymers and plastics; rubber; synthetic and natural fibers; organometallic and organic materials;
D O I：
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学科分类号：
摘要：
In this paper we extend the theory of contact mechanics and rubber friction developed by one of us (B.N.J. Persson, J. Chem. Phys. 115, 3840 (2001)) to the case of surfaces with anisotropic surface roughness. As an application we calculate the viscoelastic contribution to the rubber friction. We show that the friction coefficient may depend significantly on the sliding direction, while the area of contact depends weakly on the sliding direction. We have carried out experiments for rubber blocks sliding on unidirectionally polished steel surfaces. The experimental data are in a good qualitative agreement with the theory.
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页码：275 / 284
页数：9
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