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Impact of corrosion on fretting damage of electrical contacts

Liskiewicz, T., Neville, A. and Achanta, S. (2006) Impact of corrosion on fretting damage of electrical contacts. In: Proceedings of the Fifty-second IEEE Holm Conference on Electrical Contacts. IEEE Holm Conference on Electrical Contacts, September 25-27, 2006, Montreal, Quebec, CANADA. IEEE , pp. 257-262. ISBN 1-4244-0581-5

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Abstract

Electrical contacts are used in a large number of industrial applications, this includes all sorts of modern transportation: airplanes, trains and automobiles. Mechanical assemblies are subjected to vibrations and micro-displacements between mating surfaces are observed leading to fretting wear. Mechanical degradation can additionally be accelerated by a corrosive factor caused by variable humidity, temperature and corrosive gas attack. Fretting-corrosion leads to an increase of contact resistance or intermittent contact resistance faults as corrosion products change the nature of the interface primary through a range of film formation processes. In this work the impact of a corrosion product film formed on copper and gold surfaces on the electrical contact fretting behavior is shown. It has been observed that modification of the interface by the formation of the surface layer can surprisingly lead to increase of the electrical contact durability.

Item Type: Proceedings Paper
Copyright, Publisher and Additional Information: © Copyright 2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: connectors, fretting corrosion, sliding regimes, passive layer
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Engineering (Leeds) > School of Mechanical Engineering (Leeds) > Institute of Engineering Thermofluids, Surfaces & Interfaces (iETSI) (Leeds)
Depositing User: Mrs Fiona Slade
Date Deposited: 28 Nov 2008 18:10
Last Modified: 07 Jun 2014 15:27
Published Version: http://dx.doi.org/10.1109/HOLM.2006.284096
Status: Published
Publisher: IEEE
Identification Number: 10.1109/HOLM.2006.284096
URI: http://eprints.whiterose.ac.uk/id/eprint/4940

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