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RESEARCH PAPERS

Fretting Wear Mechanisms and Their Effects on Fretting Fatigue

[+] Author and Article Information
Y. Berthier, M. Godet

Laboratoire de Mécanique des Contacts, (UA CNRS 856), Institut National des Sciences Appliquées de Lyon, 69621 Villeurbanne, Cedex, France

Ch. Colombié, L. Vincent

Equipe Matériaux, Laboratoire de Mécanique des Solides, Ecole Centrale de Lyon, 69131 Ecully, Cedex, France

J. Tribol 110(3), 517-524 (Jul 01, 1988) (8 pages) doi:10.1115/1.3261663 History: Received March 06, 1987; Online October 29, 2009

Abstract

Fretting wear and fretting fatigue are governed by the rate of formation of materials (third-bodies) between the initial contact surfaces. Furthermore, the third-bodies must be maintained within the contact. The issue of the race between third-body formation and subsurface damage conditions the effect of fretting on fatigue. That race lasts for only a few hundred or at best a few thousand cycles. Effective third-bodies (or good anti-fretting lubricants) must adhere strongly to the rubbing surfaces, and be able to accommodate at least part of the relative displacement. Great care in the design of test equipment has to be exercised before definitive results on the effect of amplitude and frequency on either fretting fatigue or fretting wear can be obtained for a given contact condition, given materials and given environments.

Copyright © 1988 by ASME
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