Lookup NU author(s): Professor Tom Joyce
This is the authors' accepted manuscript of an article that has been published in its final definitive form by Sage Publications Ltd, 2020.
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© The Author(s) 2020.Tribological properties of ultrahigh-molecular weight polyethylene (UHMWPE) and cross-linked polyethylene (XLPE) were studied in two different wear modes. Firstly, reciprocating sliding wear studies under non-conformal contact investigated the effects of counterface surface roughness (polished, lapped and ground) of Ti6Al4V on the friction and wear of the polyethylenes. Secondly, two-body abrasive wear studies in conformal contact against different abrasive grit size papers were also carried out to ascertain the wear sensitivity of the polyethylenes under these adverse conditions. Wear mechanisms were studied using optical and scanning electron micrographs. The results of the reciprocating sliding wear studies showed that surface roughness of the counterface influenced friction and wear characteristics although no correlation was found between the coefficient of friction and specific wear rate. XLPE demonstrated wear sensitivity, particularly under severe abrasive wear condition. The results indicated that the performance of the polyethylenes greatly depends upon the tribological system under which it is operating.
Author(s): Harsha AP, Wasche R, Joyce TJ
Publication type: Article
Publication status: Published
Journal: Polymers and Polymer Composites
Pages: epub ahead of print
Online publication date: 21/04/2020
Acceptance date: 02/04/2016
Date deposited: 01/07/2020
ISSN (print): 0967-3911
ISSN (electronic): 1478-2391
Publisher: Sage Publications Ltd
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