Twenty Years of Fracture Mechanics and Flaw Evaluation Applications in the ASME Nuclear Code

[+] Author and Article Information
P. C. Riccardella

Structural Integrity Assoc., San Jose, CA 95118

S. Yukawa

Boulder, CO 80301

J. Pressure Vessel Technol 113(2), 145-153 (May 01, 1991) (9 pages) doi:10.1115/1.2928739 History: Received December 03, 1990; Revised March 21, 1991; Online June 17, 2008


The paper presents a retrospective on the development and applications of fracture mechanics-based toughness requirements and flaw evaluation methodology in Sections III and XI of the ASME Code. Section III developments range from the rules and requirements for thick section Class 1 pressure vessels to thinner section components in other Classes. Section XI applications include flaw acceptance standards and evaluation methodology for various components ranging from pressure vessels to thin section piping of carbon and austenitic steels. The experience gained in operating plant applications of these rules and procedures are also discussed.

Copyright © 1991 by The American Society of Mechanical Engineers
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