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Behaviour of shot peening combined with WC-Co HVOF coating under complex fretting wear and fretting fatigue loading conditions

Kubiak, K., Fouvry, S., Marechal, A.M. and Vernet, J.M. (2006) Behaviour of shot peening combined with WC-Co HVOF coating under complex fretting wear and fretting fatigue loading conditions. Surface and Coating Technology, 201 (7). 4323 - 4328. ISSN 0257-8972

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Abstract

This study investigated the fretting and fretting fatigue performance of tungsten carbide–cobalt (WC–Co) HVOF spray coating systems. Fretting wear and fretting fatigue tests of specimens with shot peening and WC–Co coatings on 30NiCrMo substrates were conducted. The WC-Co coating presents very good wear resistance and decreases by more than 9 times the energy wear coefficient (α) under fretting conditions. The tested coating reduces crack nucleation under both fretting and fretting fatigue studied situations. Finally the crack arrest conditions are evaluated by the combined fretting and fretting fatigue investigation. It is shown and explained how and why this combined surface treatment (shot peening and WC–Co) presents a very good compromise against wear and cracking fretting damage.

Item Type: Article
Copyright, Publisher and Additional Information: © 2006 Elsevier Ltd. This is an author produced version of a paper published in Surface Coatings Technology. Uploaded in accordance with the publisher's self-archiving policy. This edition of Surface and Coatings Technology contains the Proceedings of the 33rd International Conference on Metallurgical Coatings and Thin Films - ICMCTF 2006, The 33rd International Conference on Metallurgical Coatings and Thin Films
Keywords: Fretting Fatigue, Fretting Wear, Cracking Modelling, Shot Peening
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: Dr K. J. Kubiak
Date Deposited: 17 Feb 2009 14:00
Last Modified: 08 Feb 2013 17:06
Published Version: http://dx.doi.org/10.1016/j.surfcoat.2006.08.094
Status: Published
Publisher: Elsevier
Refereed: Yes
Identification Number: 10.1016/j.surfcoat.2006.08.094
URI: http://eprints.whiterose.ac.uk/id/eprint/7694

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