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Anisotropy of the plastic deformation and fracture processes in a dynamically loaded crystallite

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Abstract

The influence of anisotropic dynamic loading on the character of plastic deformation and fracture processes in a crystallite near the free surface was studied by methods of molecular dynamics. It was established that there are threshold deformation levels determining the opening of a seeding crack (notch) and the subsequent crack stop. The simulation results show that loading in the [100] direction leads to the crack stop due to the formation of a disordered material region at the crack tip.

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Authors and Affiliations

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

    K. P. Zol’nikov, T. Yu. Uvarov & S. G. Psakh’e

Authors
  1. K. P. Zol’nikov
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  2. T. Yu. Uvarov
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  3. S. G. Psakh’e
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Additional information

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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 27, No. 7, 2001, pp. 1–7.

Original Russian Text Copyright © 2001 by Zol’nikov, Uvarov, Psakh’e.

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Zol’nikov, K.P., Uvarov, T.Y. & Psakh’e, S.G. Anisotropy of the plastic deformation and fracture processes in a dynamically loaded crystallite. Tech. Phys. Lett. 27, 263–265 (2001). https://doi.org/10.1134/1.1370196

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  • DOI: https://doi.org/10.1134/1.1370196

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