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RESIDUAL STRESS RELAXATION IN A HARDENED CYLINDER UNDER CREEP, LOADED BY AN AXIAL FORCE, TORQUE, AND INTERNAL PRESSURE

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

A method is developed for solving a boundary-value problem of residual stress relaxation in a surface-hardened hollow cylinder under combined loading by an axial force, torque, and internal pressure. Methods for determining the stress–strain state after hardening and its kinetics during creep are proposed. The effect of internal pressure along with a tensile load or torque on a thick-walled cylindrical sample made of ZhS6KP alloy after air-shot peening is investigated. Computational diagrams for stress tensor components under instantaneous temperature-force loading during creep and after unloading are given and analyzed. The behavior of unhardened and hardened samples at the stage of steady creep after complete residual stress relaxation is compared.

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

    V. P. Radchenko, V. V. Tsvetkov & M. N. Saushkin

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

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Radchenko, V.P., Tsvetkov, V.V. & Saushkin, M.N. RESIDUAL STRESS RELAXATION IN A HARDENED CYLINDER UNDER CREEP, LOADED BY AN AXIAL FORCE, TORQUE, AND INTERNAL PRESSURE. J Appl Mech Tech Phy 61, 583–592 (2020). https://doi.org/10.1134/S0021894420040124

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  • DOI: https://doi.org/10.1134/S0021894420040124

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