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Simulation of high-temperature superlocalization of plastic deformation in single-crystals of alloys with an L12 superstructure

  • Theory of Metals
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Abstract

The processes of the superlocalization of plastic deformation in L12 alloys have been studied numerically based on a combination of the model of the dislocation kinetics of the deformation-induced and heat-treatment-induced strengthening of an element of a deformable medium with the model of the mechanics of microplastic deformation described in terms of elastoplastic medium. It has been shown that the superlocalization of plastic deformation is determined by the presence of stress concentrators and by the nonmonotonic strengthening of the elements of the deformable medium. The multiple nonmonotonicity of the process of strengthening of the elementary volume of the medium can be responsible for the multiplicity of bands of microplastic localization of deformation.

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Authors and Affiliations

  1. Tomsk State University of Architecture and Building, pl. Solyanaya 2, Tomsk, 634003, Russia

    Yu. V. Solov’eva, Ya. D. Fakhrutdinova & V. A. Starenchenko

Authors
  1. Yu. V. Solov’eva
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  2. Ya. D. Fakhrutdinova
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  3. V. A. Starenchenko
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Correspondence to Yu. V. Solov’eva.

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Original Russian Text © Yu.V. Solov’eva, Ya.D. Fakhrutdinova, V.A. Starenchenko, 2015, published in Fizika Metallov i Metallovedenie, 2015, Vol. 116, No. 1, pp. 12–20.

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Solov’eva, Y.V., Fakhrutdinova, Y.D. & Starenchenko, V.A. Simulation of high-temperature superlocalization of plastic deformation in single-crystals of alloys with an L12 superstructure. Phys. Metals Metallogr. 116, 10–18 (2015). https://doi.org/10.1134/S0031918X15010111

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