Analysis of Tempering and Rehardening for Grinding of Hardened Steels

[+] Author and Article Information
O. B. Fedoseev, S. Malkin

Department of Mechanical Engineering, University of Massachusetts, Amherst, MA 01003

J. Eng. Ind 113(4), 388-394 (Nov 01, 1991) (7 pages) doi:10.1115/1.2899712 History: Received July 01, 1990; Revised October 01, 1990; Online April 08, 2008


An analysis is presented to predict the hardness distribution in the subsurface of hardened steel due to tempering and rehardening associated with high temperatures generated in grinding. The grinding temperatures are modeled with a triangular heat source at the grinding zone and temperature-dependent thermal properties. The temperature history, including the effect of multiple grinding passes, is coupled with thermally activated reaction equations for tempering and for reaustenitization which is the rate controlling step in rehardening. Experimental results from the literature are found to be in good agreement with the analytical predictions.

Copyright © 1991 by The American Society of Mechanical Engineers
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