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

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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.

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Authors and Affiliations

  1. Pisarenko Institute of Problems of Strength, National Academy of Sciences of Ukraine, Kiev, Ukraine

    G. V. Stepanov

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  1. G. V. Stepanov
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Translated from Problemy Prochnosti, No. 5, pp. 76 – 84, September – October, 2012.

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Stepanov, G.V. Assessment of J-integral near the tip of a circumferential edge crack in a thick-walled pipe on rapid cooling of its inner surface. Strength Mater 44, 518–524 (2012). https://doi.org/10.1007/s11223-012-9411-4

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  • DOI: https://doi.org/10.1007/s11223-012-9411-4

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