Estimation of Crack Extension in a Piping Elbow Using Fracture Mechanics Techniques

[+] Author and Article Information
L. A. James

Westinghouse Hanford Co., Richland, Wash.

J. Pressure Vessel Technol 96(4), 273-278 (Nov 01, 1974) (6 pages) doi:10.1115/1.3454181 History: Received March 18, 1974; Online October 25, 2010


The extension of a hypothetical crack in a piping elbow under fatigue loadings at elevated temperature is estimated using the analysis techniques of linear-elastic fracture mechanics. The assumptions and approximations concerning the stress and loading conditions, expected in-service operational environment, and material properly behavior that must be made in order to complete the analysis are discussed in detail.

Copyright © 1974 by ASME
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