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RESEARCH PAPERS

On the Creep Rupture of a Tube and a Sphere

[+] Author and Article Information
R. P. Goel

Bell Telephone Laboratories, Inc., Columbus, Ohio

J. Appl. Mech 42(3), 625-629 (Sep 01, 1975) (5 pages) doi:10.1115/1.3423654 History: Received July 01, 1974; Revised November 01, 1974; Online July 12, 2010

Abstract

Lower bounds on rupture times of a thick-walled tube in pure torsion and a hollow sphere under constant internal pressure are obtained. Numerical values of rupture times for the tube case with different forms of damage rate laws are presented. The type of damage law assumed makes a significant effect on predicting the time to rupture but failure in all cases occurs almost instantaneously after the appearance of first crack.

Copyright © 1975 by ASME
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