Elasto-plastic Contact Of Rough Surfaces
Author(s)
K. Willner
Abstract
If two rough surfaces are brought into contact, asperities will deform
either elastically or plastically. While the mode of initial deformation will
depend on geometrical and material properties at any single asperity, the
deformation upon unloading and reloading will be in the elastic regime.
As it is not feasible to model the behaviour of each single asperity in a
structural mechanics application, global contact laws are needed. In the
present paper such contact laws are derived for several deformation models.
1 Introduction
The derivation of contact laws for rough surfaces is a two step task. First,
a description of the rough surface is needed. Possible approaches are statis-
tical [3, 4, 8] or fractal models [7, 9]. The second step is the description of
the mechanical behaviour of single summits. Earl
Keywords
Related Book
Other papers in this volume
Warning (2)
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