Relation between interfacial separation and load: A general theory of contact mechanics

被引：215
作者：
Persson, B. N. J. [1 ]
机构：
[1] Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 12期
关键词：
D O I：
10.1103/PhysRevLett.99.125502
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
I study the contact between a rigid solid with a randomly rough surface and an elastic block with a flat surface. I derive a relation between the (average) interfacial separation u and the applied normal squeezing pressure p. I show that, for nonadhesive interaction and small applied pressure, p similar to exp(-u/u(0)), in good agreement with recent experimental observations.
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页数：4
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