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RESEARCH PAPERS

On the Analysis of Residual Stresses Introduced in Sheet Metals by Thermal Shock Treatment

[+] Author and Article Information
T. R. Hsu, S. R. Trasi

Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba, Canada

J. Appl. Mech 43(1), 117-123 (Mar 01, 1976) (7 pages) doi:10.1115/1.3423761 History: Received February 01, 1975; Revised August 01, 1975; Online July 12, 2010

Abstract

This paper presents a theoretical study of the residual stresses in a thin metal sheet with a circular hole subjected to an axially symmetric thermal shock over a concentric annular area. Quasi-static, uncoupled, thermoelastoplasticity theory incorporating the postulates of incremental plasticity theory is employed. The solution is sought through a numerical technique incorporating an iteration scheme and numerical integration. Several numerical examples are considered for a specific distribution and duration of the thermal shock and some optimization considerations are discussed.

Copyright © 1976 by ASME
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