Comparison of Different Methods for the Determination of Stress Intensity Factors of Cracks in Pipes With Stress Gradients

[+] Author and Article Information
C. Mattheck, P. Morawietz, D. Munz, H. Stamm

Reliability and Failure Analysis Group, Institute of Reactor Components, Nuclear Research Center, Karlsruhe, West Germany

J. Pressure Vessel Technol 106(2), 209-213 (May 01, 1984) (5 pages) doi:10.1115/1.3264330 History: Received July 28, 1983; Revised February 29, 1984; Online November 05, 2009


Stress intensity factors for long longitudinal and complete circumferential cracks under stress gradients were calculated using a weight function method. The weight functions were obtained by a method proposed by Petroski and Achenbach [3 ] and by a finite element fit procedure. Excellent agreement was obtained with finite element results of Labbens, et al. [7 ].

Copyright © 1984 by ASME
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