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RESEARCH PAPERS

Thermal Stresses in an Elastic, Work-Hardening Sphere

[+] Author and Article Information
Chintsun Hwang

Commercial Systems, The National Cash Register Company, Hawthorne, Calif.

J. Appl. Mech 27(4), 629-634 (Dec 01, 1960) (6 pages) doi:10.1115/1.3644073 History: Received December 17, 1959; Online September 16, 2011

Abstract

In this paper, a method is presented for obtaining the transient thermal-stress distribution and the residual stresses in a spherical body where the time-dependent temperature distribution is symmetrical with respect to the center of the sphere. The material is assumed to be elastoplastic, while in the plastic range it work-hardens isotropically. The von Mises yield condition is used. The thermal and mechanical properties of the material are assumed to be temperature independent. The problem is reduced to a single nonlinear differential equation which is solved numerically on the NCR 304 digital computer. Several sets of numerical data representing various degrees of work-hardening in the spherical bodies during a cooling process are presented.

Copyright © 1960 by ASME
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