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RESEARCH PAPERS

The Wear of High Molecular Weight Polyethylene—Part II: The Effects of Reciprocating Motion, Orientation in the Polyethylene, and a Preliminary Study of the Wear of Polyethylene Against Itself

[+] Author and Article Information
K. J. Brown

Ewbank and Partners Limited, Consulting Engineers, Prudential House, Brighton, BN1 1RW, England

J. R. Atkinson

Department of Metallurgy, The University of Leeds, Leeds LS2 9JT., England

D. Dowson

Engineering Fluid Mechanics and Tribology, Department of Mechanical Engineering, The University of Leeds, Leeds LS2 9JT., England

J. of Lubrication Tech 104(1), 17-22 (Jan 01, 1982) (6 pages) doi:10.1115/1.3253158 History: Received February 21, 1981; Online November 13, 2009

Abstract

The wear of ultra-high molecular weight polyethylene against relatively smooth, dry stainless steel takes place by the same basic wear mechanisms whether unidirectional or reciprocating motion is used, but reciprocating motion produces slightly less wear overall. The effect of molecular orientation in the polyethylene has been studied and it has been shown that orientation perpendicular to the wearing surface is undesirable, whereas orientation parallel to the wear surface is mildly beneficial. The wear of polyethylene against itself is relatively severe and is largely determined by the temperatures reached by the rubbing surfaces.

Copyright © 1982 by ASME
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