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Simulating interaction of two symmetric grain boundaries under shear strain conditions

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Abstract

The behavior of two large-angle grain boundaries of the Σ = 5 (210)[001] special type in a copper polycrystal under shear loading conditions has been numerically simulated. It is established that, similar to the case of a single boundary of this type, the grain boundaries shifts in the direction perpendicular to that of shear straining simultaneously with the relative slippage of grains in the direction of applied load. Features of the interaction of two symmetric defects that approach each other are considered. The obtained results provide a better understanding of the atomic mechanisms of plastic strain development in polycrystalline materials.

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Authors and Affiliations

  1. Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055, Russia

    A. I. Dmitriev & A. Yu. Nikonov

Authors
  1. A. I. Dmitriev
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  2. A. Yu. Nikonov
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Correspondence to A. I. Dmitriev.

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Original Russian Text © A.I. Dmitriev, A.Yu. Nikonov, 2011, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2011, Vol. 37, No. 18, pp. 87–94.

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Dmitriev, A.I., Nikonov, A.Y. Simulating interaction of two symmetric grain boundaries under shear strain conditions. Tech. Phys. Lett. 37, 884–887 (2011). https://doi.org/10.1134/S1063785011090185

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  • DOI: https://doi.org/10.1134/S1063785011090185

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