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RESEARCH PAPERS

A Reaction-Rate Treatment of the Extrapolation Methods in Creep Testing

[+] Author and Article Information
M. Grounes

Structural Materials Laboratory, Aktiebolaget Atomenergi, Studsvik, Nykoping, Sweden

J. Basic Eng 91(1), 59-62 (Mar 01, 1969) (4 pages) doi:10.1115/1.3571028 History: Received October 07, 1968; Online November 03, 2011

Abstract

Various phenomenological equations for the dependence of the time-to-rupture, etc., on temperature and stress have been related to a generalized equation based on chemical reaction-rate theory. In the derivation of these equations the assumption, which has been used and criticized in earlier work, that the time-to-rupture is inversely proportional to the creep rate and thus that the ductility is constant, is not needed.

Copyright © 1969 by ASME
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