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RESEARCH PAPERS

The Effect of Ball Bearing Steel Structure on Rolling Friction and Contact Plastic Deformation

[+] Author and Article Information
Richard C. Drutowski, Ernie B. Mikus

Research Laboratories, General Motors Corporation, Warren, Mich.

J. Basic Eng 82(2), 302-306 (Jun 01, 1960) (5 pages) doi:10.1115/1.3662583 History: Received June 10, 1959; Online November 04, 2011

Abstract

The rolling friction, contact plastic deformation, and elastic limit were determined for SAE 52100 steel structures with retained austenite contents from zero to 18.4 per cent. The force necessary to roll a ball on a plate decreased as the retained austenite was decreased. The contact stress necessary for the initiation of plastic deformation and the elastic limit of the material increased as the retained austenite content decreased from 18.4 to 3.9 per cent. No further change occurred when the retained austenite was reduced to zero. The extent of plastic deformation at very high contact stresses was reduced by the presence of retained austenite contents up to at least 7.4 per cent. These observations were applied to the problem of selecting the best steel structure for an instrument ball bearing.

Copyright © 1960 by ASME
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