An investigation of the fretting behaviour of low friction coatings on steel

Three different low friction coatings on steel (electrolytically deposited cadmium, PTFE solid lubricant in epoxy resin and PTFE solid lubricant in polyimide resin) were studied in order to relate their fretting behaviour with mechanical properties. Particular importance was given to adhesion which...

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Bibliographic Details
Published in:Tribology international 1996-09, Vol.29 (6), p.445-455
Main Authors: Carton, J.-F., Vannes, A.-B., Zambelli, G., Vincent, L.
Format: Article
Language:English
Subjects:
adhesion
Applied sciences
Contact of materials. Friction. Wear
Exact sciences and technology
fretting
low-friction coating
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
polar diagrams
scratch test
steel
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Summary:Three different low friction coatings on steel (electrolytically deposited cadmium, PTFE solid lubricant in epoxy resin and PTFE solid lubricant in polyimide resin) were studied in order to relate their fretting behaviour with mechanical properties. Particular importance was given to adhesion which was measured using a scratch test. Fretting tests were carried out on the steel substrate and on the coatings under the same conditions. The major parameters of the tribological system were identified and then quantified. The values of the parameters obtained for each coating were compared with the corresponding values for uncoated steel. The mechanical characteristics of the coatings and their fretting parameters were plotted using a polar diagram in order to give an overview of the fretting behaviour of each coating. Differences were noted and the corresponding parameters were identified. The influence of the adherence of the coating and of the fretting test load on the lifetime of the coating was determined.
ISSN:0301-679X
1879-2464
DOI:10.1016/0301-679X(95)00050-E