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RESEARCH PAPERS

The Effect of Water Flow Rate Upon the Environmentally Assisted Cracking Response of a Low-Alloy Steel

[+] Author and Article Information
L. A. James, G. L. Wire

Bettis Atomic Power Laboratory, Westinghouse Electric Corporation, West Mifflin, PA 15122

W. H. Cullen

Materials Engineering Associates, Lanham, MD 20706

J. Pressure Vessel Technol 117(3), 238-244 (Aug 01, 1995) (7 pages) doi:10.1115/1.2842117 History: Received December 20, 1994; Online February 11, 2008

Abstract

The effect of water flow rate upon the environmentally assisted cracking (EAC) response of a high-sulfur ferritic steel was studied at a temperature of 243°C. In contrast to earlier studies which employed compact-type specimens, this study employed relatively large tight semi-elliptical surface cracks tested under generally linear-elastic conditions. Flow velocities parallel to the crack as low as 1.58–1.84 m/s were effective in mitigating EAC.

Copyright © 1995 by The American Society of Mechanical Engineers
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