Use of Fundamental Modeling of Environmental Cracking for Improved Design and Lifetime Evaluation

[+] Author and Article Information
P. L. Andresen, F. P. Ford

GE Corporation Research & Developement Center, 1 River Road, Building K1-3A39, Schenectady, NY 12309

J. Pressure Vessel Technol 115(4), 353-358 (Nov 01, 1993) (6 pages) doi:10.1115/1.2929541 History: Received December 01, 1992; Revised June 30, 1993; Online June 17, 2008


This manuscript reviews an approach for improved design and lifetime evaluation for environmental cracking based on fundamental modeling of the underlying, operative processes in crack advance. In outlining this approach and its application in energy industries, the requirements for a life prediction methodology will be highlighted and the shortcomings of the existing design and lifetime evaluation codes will be discussed. Examples will be given of its development and application in a variety of cracking systems, such as environmental cracking of stainless steels and nickel alloys in hot water, and irradiation-assisted stress corrosion cracking.

Copyright © 1993 by The American Society of Mechanical Engineers
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