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Lubricants 2016, 4(3), 25; doi:10.3390/lubricants4030025

A Tribological Assessment of Ultra High Molecular Weight Polyethylene Types GUR 1020 and GUR 1050 for Orthopedic Applications

School of Mechanical and Systems Engineering, Newcastle University, Claremont Road, Newcastle upon Tyne NE1 7RU, UK
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Academic Editor: James E. Krzanowski
Received: 26 February 2016 / Revised: 12 May 2016 / Accepted: 22 June 2016 / Published: 30 June 2016
(This article belongs to the Special Issue Wear Testing of Biomaterials)
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Abstract

The wear properties of biomaterials have been demonstrated to have a high importance within orthopedic bearing surfaces. This study performed a comparison of the wear between the two main grades of Ultra High Molecular Weight Polyethylene types GUR 1020 and GUR 1050 articulating against Cobalt Chromium. Such a high capacity wear comparison has not been reported elsewhere in the scientific literature. Under an identical testing protocol it was found that GUR 1020 had a wear factor of 3.92 ± 0.55 × 10 6 ( mm 3 / Nm ) and GUR 1050 had a wear factor of 3.64 ± 0.39 × 10 6 ( mm 3 / Nm ) , with a non-statistical significant difference of p = 0.052. These wear factors correlate closely with those observed from other screening wear studies and explant analysis. View Full-Text
Keywords: biopolymer; wear testing; Pin-on-Disc; GUR 1020; GUR 1050 biopolymer; wear testing; Pin-on-Disc; GUR 1020; GUR 1050
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hunt, B.J.; Joyce, T.J. A Tribological Assessment of Ultra High Molecular Weight Polyethylene Types GUR 1020 and GUR 1050 for Orthopedic Applications. Lubricants 2016, 4, 25.

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