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Direct method of solving the boundary-value problem of relaxation of residual stresses in a hardened cylindrical specimen under creep conditions

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Abstract

A direct method of solving a boundary-value problem for a surface-hardened cylindrical specimen affected by a tensile load under creep conditions is proposed. Relations for estimating the kinetics of the stress-strain state in the hardened layer are obtained. The adequacy of the solution is verified by experimental data on relaxation of residual stresses in the hardened layer of a cylindrical specimen made of ÉI 691 steel at T = 400°C. The calculated and experimental residual stresses are demonstrated to be in good agreement.

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Authors and Affiliations

  1. Samara State Technical University, Samara, 443100, Russia

    V. P. Radchenko & M. N. Saushkin

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  1. V. P. Radchenko
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  2. M. N. Saushkin
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Correspondence to V. P. Radchenko.

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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 50, No. 6, pp. 90–99, November–December, 2009.

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Radchenko, V.P., Saushkin, M.N. Direct method of solving the boundary-value problem of relaxation of residual stresses in a hardened cylindrical specimen under creep conditions. J Appl Mech Tech Phy 50, 989–997 (2009). https://doi.org/10.1007/s10808-009-0133-8

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  • DOI: https://doi.org/10.1007/s10808-009-0133-8

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