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Differences in the Sliding Wear Track Patterns Between UHMWPE/Steel and UHMWPE/CNx Pairs
INTEMA Institute of Materials Science and Technology, University of Mar del Plata, Argentina.
INTEMA Institute of Materials Science and Technology, University of Mar del Plata, Argentina.
INTEMA Institute of Materials Science and Technology, University of Mar del Plata, Argentina.
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, The Institute of Technology.ORCID iD: 0000-0003-3277-1945
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2012 (English)In: Procedia Materials Science, ISSN 2211-8128, Vol. 1, 329-336 p.Article in journal (Refereed) Published
Abstract [en]

This work explores the effect of surface modification of stainless steel with a carbon nitride (CNx) film, under sliding wear of the UHMWPE/steel. Wettatibility of CNx coatings is assessed by means of the sessile drop method using two different liquid media. Microhardness and stiffness of CNx coatings are estimated by depth-sensing indentation. The sliding performance of UHMWPE against stainless steel and CNx was evaluated using a pin on disk tribometer. It is demonstrated that CNx surface properties are quite different from those of stainless steel, with a concomitant substantial reduction of the coefficient of friction of UHMWPE/CNx in comparison with the one of UHMWPE/steel under sliding conditions. Even tough imposed sliding conditions do not conduct to wear mass loss in UHMWPE, wear track patterns against steel and CNx are quite different.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 1, 329-336 p.
Keyword [en]
sliding wear; UHMWPE; CNx coating
National Category
Engineering and Technology Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-88520OAI: oai:DiVA.org:liu-88520DiVA: diva2:604672
Conference
11th International Congress on Metallurgy & Materials SAM/CONAMET 2011
Available from: 2013-02-11 Created: 2013-02-11 Last updated: 2014-02-04

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