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RESEARCH PAPERS

Thermoelastoplastic and Residual Stresses in a Hollow Cylinder With Temperature-Dependent Properties

[+] Author and Article Information
S. Jahanian, M. Sabbaghian

Mechanical Engineering Department, Louisiana State University, Baton Rouge, La 70803

J. Pressure Vessel Technol 112(1), 85-91 (Feb 01, 1990) (7 pages) doi:10.1115/1.2928592 History: Received April 18, 1988; Revised June 14, 1989; Online June 17, 2008

Abstract

Determination of residual stresses and the positive or negative effect that they may have on the component is an important consideration in design. Unexpected failure of components, latter determined to be attributable to residual stress, is not uncommon. In this paper, a theoretical study of the stresses in a long hollow circular cylinder subjected to rapid cooling of the exterior surface is presented. A quasi-static uncoupled thermoelastoplastic analysis, based on incremental theory of plasticity, is developed and a numerical procedure for successive approximation is formulated. For this analysis, it is assumed that the material has temperature-dependent properties and is characterized by linear strain hardening. The thermoelastoplastic and residual stress distributions are discussed in detail. The results are compared with related published work where a reasonable agreement is observed.

Copyright © 1990 by The American Society of Mechanical Engineers
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