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TECHNICAL BRIEFS

The Strength of Some Non-Hertzian Plane Contacts

[+] Author and Article Information
A. Sackfield

Department of Mathematics, Trent Polytechnic, Nottingham NG1 4BU, England

D. A. Hills

Department of Engineering Science, Oxford University, Oxford OX1 3PJ, England

J. Tribol 108(4), 655-658 (Oct 01, 1986) (4 pages) doi:10.1115/1.3261296 History: Received March 10, 1985; Online October 29, 2009

Abstract

The problem of plane elastic contact between a symmetrical indentor and a half-plane is addressed. The form of the contacting profile of the indentor is represented in terms of Chebyshev polynomials, and the resulting stress-field is deduced, for both static and sliding contact. It is shown that by making the profile somewhat flatter than a cylinder a large load may be sustained without yielding. Practical implications of the result, including profiles needed to attain optimal contact conditions, are discussed.

Copyright © 1986 by ASME
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