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Effect of mode I and II thermomechanical pre-loading on the fracture toughness of heat-resistant vessel steels

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The paper presents results of experimental investigations to assess the effect of Mode I and II thermomechanical pre-loading on the crack resistance of specimens in four-point bending tests. Specimens were subjected to Mode I and II repeated loading. The investigations were carried out on heat-resistant reactor steels. An algorithm for the numerical assessment of fracture toughness with allowance for thermomechanical pre-loading under mixed loading conditions is proposed.

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Authors and Affiliations

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

    V. V. Pokrovskii & V. G. Sidyachenko

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  1. V. V. Pokrovskii
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  2. V. G. Sidyachenko
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Translated from Problemy Prochnosti, No. 1, pp. 80 – 90, January – February, 2013.

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Pokrovskii, V.V., Sidyachenko, V.G. Effect of mode I and II thermomechanical pre-loading on the fracture toughness of heat-resistant vessel steels. Strength Mater 45, 56–63 (2013). https://doi.org/10.1007/s11223-013-9432-7

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  • DOI: https://doi.org/10.1007/s11223-013-9432-7

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