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Surface morphology in engineering applications: Influence of roughness on sliding and wear in dry fretting

Kubiak, Krzysztof, Liskiewicz, T.W. and Mathia, T.G. (2011) Surface morphology in engineering applications: Influence of roughness on sliding and wear in dry fretting. Tribology International, 44 (11). pp. 1427-1432. ISSN 0301-679X

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Abstract

Influence of initial surface roughness on friction and wear processes under fretting conditions was investigated experimentally. Rough surfaces (Ra=0.15-2.52 [mu]m) were prepared on two materials: carbon alloy (AISI 1034) and titanium alloy (Ti-6Al-4V). Strong influence of initial surface roughness on friction and wear processes is reported for both tested materials. Lower coefficient of friction and increase in wear rate was observed for rough surfaces. Wear activation energy is increasing for smoother surfaces. Lower initial roughness of surface subjected to gross slip fretting can delay activation of wear process and reduce wear rate; however, it can slightly increase the coefficient of friction.

Item Type: Article
Uncontrolled Keywords: Fretting wear
Subjects: T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
Depositing User: Krzysztof Kubiak
Date Deposited: 18 Sep 2014 15:07
Last Modified: 30 Nov 2016 17:48
URI: http://eprints.hud.ac.uk/id/eprint/21591

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