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RESEARCH PAPERS

An Appraisal of a Recent Analysis for Estimating the Plastic Component of the Deformation J Integral for a Stationary Crack

[+] Author and Article Information
E. Smith

Manchester University-UMIST Materials Science Centre, Manchester M1 7HS, United Kingdom

J. Eng. Mater. Technol 113(3), 344-349 (Jul 01, 1991) (6 pages) doi:10.1115/1.2903416 History: Received May 01, 1990; Revised October 15, 1990; Online April 29, 2008

Abstract

This paper provides an appraisal of a recent analysis for estimating the plastic component of the deformation J integral for a stationary crack. Such an estimation is a prerequisite when describing ductile crack extension in nuclear reactor pressure vessel materials. The assumptions in the analysis are emphasized, and the approximations arising as a consequence of introducing these assumptions are demonstrated.

Copyright © 1991 by The American Society of Mechanical Engineers
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