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 e
The effect of nonuniform bending on the stability of circumferential growth of a through-wall crack in a pipe
β Scribed by E. Smith
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 607 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0020-7225
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## Abstnct-Proceeding from the experimentally vindicated basis that circumferential growth of a through-wall crack in a circular cylindrical 304 stainless steel pipe subject to bending loads, is associated with a constant crack tip opening angle, the stability of circumferential crack growth is an
Simple models are used to 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
Proceeding from the experimental observation that circumferenFia1 crack growth in circular cylindrical pipes subject to bending loads is associated with a constant crack tip opening angle, the JR curve is predicted in terms of the pipe and crack parameters. The predictions compare favorably with exp
This paper examines the fracture instability of a pipe, fabricated from a ductile material such as 304 stainless steel, in which a circumferential cross-section contains two symmetrically situated through-wall cracks, the pipe being subject to bending deformation. The theoretical analysis, which is