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Atomistic simulation of plasticity and fracture of nanocrystalline copper under high-rate tension

  • Defects and Impurity Centers, Dislocations, and Physics of Strength
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Abstract

A molecular dynamics simulation of the plastic deformation and the onset of fracture of nanocrystalline metals is performed using the example of copper. Successive stages of the response of the microstructure of a metal to deformation are considered, namely, grain boundary sliding, the nucleation and gliding of dislocations, and the formation and growth of microdamage nuclei. The influence of the grain size of a nanocrystal on its plasticity and strength is studied.

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Authors and Affiliations

  1. Joint Institute for High Temperatures, Russian Academy of Sciences, ul. Izhorskaya 13/19, Moscow, 125412, Russia

    A. Yu. Kuksin, V. V. Stegaĭlov & A. V. Yanilkin

  2. Moscow Institute of Physics and Technology (State University), Institutskiĭ per. 9, Dolgoprudnyĭ, Moscow oblast, 141700, Russia

    A. Yu. Kuksin, V. V. Stegaĭlov & A. V. Yanilkin

Authors
  1. A. Yu. Kuksin
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  2. V. V. Stegaĭlov
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  3. A. V. Yanilkin
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Correspondence to A. V. Yanilkin.

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Original Russian Text © A.Yu. Kuksin, V.V. Stegaĭlov, A.V. Yanilkin, 2008, published in Fizika Tverdogo Tela, 2008, Vol. 50, No. 11, pp. 1984–1990.

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Kuksin, A.Y., Stegaĭlov, V.V. & Yanilkin, A.V. Atomistic simulation of plasticity and fracture of nanocrystalline copper under high-rate tension. Phys. Solid State 50, 2069–2075 (2008). https://doi.org/10.1134/S1063783408110115

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  • DOI: https://doi.org/10.1134/S1063783408110115

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