Sliding of a General Axisymmetric Point Contact

[+] 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 110(3), 492-498 (Jul 01, 1988) (7 pages) doi:10.1115/1.3261655 History: Received July 31, 1987; Online October 29, 2009


The complete stress field generated beneath an arbitrarily profiled axisymmetric indentor is found, both for normal indentation, and sliding. It is shown that a shallower profile than that of a sphere, i.e., one having a larger radius of curvature at the point of first contact, associated with a “flatter” pressure distribution, gives rise to a milder stress state, so that a heavier load may be sustained over a given contact disk without yielding.

Copyright © 1988 by ASME
Topics: Pressure , Stress , Disks
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