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Kinetic physical phenomenological model of creep-rupture strength of metals

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Abstract

A kinetic model of creep-rupture strength is constructed using the physicomathematical theory of irreversible strains of metals. An algorithm for the mathematical modeling of the processes occurring during tension of samples is proposed. Results of experimental verification of a uniaxial model of creep-rupture strength are given. It is shown that the proposed model differs from available models in that it contains physical structural parameters (scalar densities of dislocations and microcracks) and kinetic equations for them.

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Authors and Affiliations

  1. Ufa State Aviation Technical University, Ufa, 450000, Russia

    V. M. Greshnov, R. I. Shaikhutdinov & I. V. Puchkova

Authors
  1. V. M. Greshnov
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  2. R. I. Shaikhutdinov
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  3. I. V. Puchkova
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Correspondence to V. M. Greshnov.

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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 58, No. 1, pp. 189–198, January–February, 2017.

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Greshnov, V.M., Shaikhutdinov, R.I. & Puchkova, I.V. Kinetic physical phenomenological model of creep-rupture strength of metals. J Appl Mech Tech Phy 58, 165–172 (2017). https://doi.org/10.1134/S0021894417010187

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  • DOI: https://doi.org/10.1134/S0021894417010187

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