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The effect of pipe bends on the stability of a circumferential through-wall crack in a type 304 stainless steel piping system

✍ Scribed by E. Smith

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 596 KB
Volume: 29
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(88)90172-5

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✦ Synopsis

The paper analyses simple models that simulate the effect of pipe bends on the stability of a circumferential through-wall crack in a Type 304 stainless steel piping system that is subject to fixed displacement loadings, which are appropriate for an accident condition. The instability criterion is expressed in terms of the applied and material tearing moduli, i.e. TAPP and TMAT, or equivalently in terms of an effective pipe length LEFF. By expressing TApp (or I+& as a function of the position of the cracked section in the piping system, it is possible to specify the positions where TApp is a maximum, and identify them in relation to the pipe bends.

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