Assessment of J-integral near the tip of a circumferential edge crack in a thick-walled pipe on rapid cooling of its inner surface

The brittle fracture resistance of a pipe with the circumferential edge crack on thermal shock is determined by a maximum J -integral value at the stage of plastic strain development near the crack tip. In an elastoplastic metal, the value of J -integral on thermal shock reaches its maximum with an...

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Bibliographic Details
Published in:Strength of materials 2012-09, Vol.44 (5), p.518-524
Main Author: Stepanov, G. V.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Materials Science
Solid Mechanics
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Summary:The brittle fracture resistance of a pipe with the circumferential edge crack on thermal shock is determined by a maximum J -integral value at the stage of plastic strain development near the crack tip. In an elastoplastic metal, the value of J -integral on thermal shock reaches its maximum with an increase in strain energy near the crack tip.
ISSN:0039-2316
1573-9325
DOI:10.1007/s11223-012-9411-4