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Micromechanics of plastic deformation of nanotwinned metals due to twin widening

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Abstract

A theoretical description of plastic deformation of nanotwinned metals or ultrafine-grained metals containing high-density nanotwin ensembles is developed. Plastic deformation in terms of the proposed micromechanical approach is performed due to a sequential increase in the thickness of periodically distributed nanotwins. The “yield stress–deformation” dependence is constructed for nanotwinned copper (Cu), and its yield point is evaluated.

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Authors and Affiliations

  1. Institute for Problems in Mechanical Engineering, Russian Academy of Sciences, Vasil’evskii ostrov, Bol’shoi pr. 61, St. Petersburg, 199178, Russia

    N. F. Morozov, I. A. Ovid’ko & N. V. Skiba

  2. St. Petersburg State University, Universitetskii pr. 28, Staryi Peterhof, St. Petersburg, 198504, Russia

    N. F. Morozov, I. A. Ovid’ko & N. V. Skiba

  3. Peter the Great St.Petersburg Polytechnic University, Politekhnicheskaya ul. 29, St. Petersburg, 195251, Russia

    N. F. Morozov, I. A. Ovid’ko & N. V. Skiba

Authors
  1. N. F. Morozov
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  2. I. A. Ovid’ko
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  3. N. V. Skiba
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Correspondence to N. V. Skiba.

Additional information

Original Russian Text © N.F. Morozov, I.A. Ovid’ko, N.V. Skiba, 2015, published in Doklady Akademii Nauk, 2015, Vol. 465, No. 2, pp. 170–173.

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Morozov, N.F., Ovid’ko, I.A. & Skiba, N.V. Micromechanics of plastic deformation of nanotwinned metals due to twin widening. Dokl. Phys. 60, 507–510 (2015). https://doi.org/10.1134/S1028335815110063

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  • DOI: https://doi.org/10.1134/S1028335815110063

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