Elasto-Plastic Normal Contact of Three-Dimensional Fractal Surfaces Using Halfspace Theory-Reference-Cited by-同舟云学术

Elasto-Plastic Normal Contact of Three-Dimensional Fractal Surfaces Using Halfspace Theory

Published:2004-01-01 Issue:1 Volume:126 Page:28-33
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Willner K.¹

Affiliation:

1. Institut A fu¨r Mechanik, Universita¨t Stuttgart, Pfaffenwaldring 9, 70550 Stuttgart, Germany

Abstract

The elasto-plastic normal contact of fractal surfaces is investigated. To study the influence of several surface parameters like fractal dimension and resolution, the surfaces are numerically generated using a special form of the structure function which is motivated by measurements of real rough surfaces. The contact simulation uses an iterative elastic halfspace solution based on a variational principle. A simple modification allows also the approximative solution of elasto-plastic contact problems. The influence of different surface parameters is studied with respect to the load-area relationship and the load-gap relationship. The simulations show that for realistic surface parameters the deformation is always in the plastic range.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/126/1/28/5939622/28_1.pdf

Reference40 articles.

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