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The influence of contact stress on the wear of cross-linked polyethylene

Lookup NU author(s): Goksu KandemirORCiD, Dr Simon Smith, Professor Tom Joyce

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by SAGE Publications Ltd, 2018.

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Abstract

© IMechE 2018. Generation of wear debris and wear particle-induced osteolysis are the main limitations of metal-on-polyethylene artificial joints. Cross-linked polyethylene has been recently used, particularly in hip replacements, as an alternative material to conventional ultrahigh molecular weight polyethylene due to its superior wear resistance. This study focused on the wear behaviour of cross-linked polyethylene under different contact stresses in order to make interpretations of its long-term in-vivo performance. A 50-station SuperCTPOD (pin-on-disc) machine was used to investigate the influence of contact stress on the wear of cross-linked polyethylene pins which were articulated against cobalt chromium discs. It was found that the wear rate of cross-linked polyethylene was lower at higher contact stresses.

Publication metadata

Author(s): Kandemir G, Smith S, Joyce TJ

Publication type: Article

Publication status: Published

Journal: Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine

Year: 2018

Volume: 232

Issue: 10

Pages: 1008-1016

Print publication date: 01/10/2018

Online publication date: 23/08/2018

Acceptance date: 27/07/2018

Date deposited: 11/10/2018

ISSN (print): 0954-4119

ISSN (electronic): 2041-3033

Publisher: SAGE Publications Ltd

URL: https://doi.org/10.1177/0954411918796047

DOI: 10.1177/0954411918796047

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