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RESEARCH PAPERS

Finite Element Analysis of Elastoplastic Indentation: Part II—Application to Hard Coatings

[+] Author and Article Information
P. Montmitonnet, M. L. Edlinger, E. Felder

Ecole des Mines de Paris-Cemef, URA CNRS D 1374, BP 207-06904 Sophia-Antipolis Cedex-France

J. Tribol 115(1), 15-19 (Jan 01, 1993) (5 pages) doi:10.1115/1.2920970 History: Received March 14, 1992; Revised August 01, 1992; Online June 05, 2008

Abstract

A finite element model previously described is used to analyze indentation of hard-face materials. The materials (substrate and coating) are supposed elastoplastic, the spherical indenter is elastic. The state of stress during indentation (including unloading) of hard-face materials (chromium layer on steel) is investigated in details. The tensile stresses which might lead to failure are especially discussed, and related with experiments showing fracture or delamination of the coating. The model also shows the influence of film thickness on surface and interface stresses.

Copyright © 1993 by The American Society of Mechanical Engineers
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