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RESEARCH PAPERS

The Influence of Humidity on the Fretting Wear of Steel Surfaces Using Thin Layer Activation

[+] Author and Article Information
P. De Baets

Department of Mechanical and Thermal Engineering, Laboratory of Machines and Machine Construction, University of Gent, St. Pietersnieuwstraat 41 B-9000 Gent, Belgium

G. Kalacska

Department of Mechanical Engineering Technology and Maintenance of Machinery, University of Gödöllö, Hungary

K. Strijckmans

Laboratory of Analytical Chemistry, Institute of Nuclear Sciences, University of Gent, Belgium

J. Tribol 119(4), 840-845 (Oct 01, 1997) (6 pages) doi:10.1115/1.2833894 History: Received April 01, 1996; Revised August 12, 1996; Online January 24, 2008

Abstract

It is generally known that the humidity in the surrounding atmosphere influences wear processes in general. For fretting wear several authors examined the influence of humidity on the wear scar morphology and the composition of the wear debris. No agreement between the different results has been found, yet. In the present study, a distinction is made between running-in and steady-state fretting wear. Especially for the running-in stage, the influence of the humidity in ambient air on the friction and wear behavior and material transfer of steel surfaces subjected to contact vibrations has been investigated. The fretting experiments were conducted with a spherical against a flat specimen under gross-slip regime. The fretting wear and accompanying material transfer between the contacting specimens quantitatively are measured with Thin Layer Activation method. It has been observed that high ambient humidity has a beneficial influence on the running-in fretting wear of steel surfaces. It has also been found that the results of several authors concerning the influence of humidity on the fretting wear of steel have to be treated with great care, as classical wear measuring techniques can give erroneous wear results.

Copyright © 1997 by The American Society of Mechanical Engineers
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