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Structural-orientational instability of plastic flow in Zr-1% Nb alloy

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Abstract

It is established that the instability of plastic flow observed in a hardening-softening regime in Zr-1% Nb alloy at the parabolic stage of the curve of strain hardening (irrespective of the dislocation-related) is accompanied by the geometric hardening (softening) as a result of the reorientation of slip planes relative to the axis of loading. This reorientation accounts for a periodic change in the Schmid factors for prismatic and conjugate basal slip systems.

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Authors and Affiliations

  1. Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk, 634021, Russia

    T. M. Poletika, A. P. Pshenichnikov & S. L. Girsova

Authors
  1. T. M. Poletika
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  2. A. P. Pshenichnikov
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  3. S. L. Girsova
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Correspondence to T. M. Poletika.

Additional information

Original Russian Text © T.M. Poletika, A.P. Pshenichnikov, S.L. Girsova, 2011, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2011, Vol. 37, No. 7, pp. 16–22.

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Poletika, T.M., Pshenichnikov, A.P. & Girsova, S.L. Structural-orientational instability of plastic flow in Zr-1% Nb alloy. Tech. Phys. Lett. 37, 298–301 (2011). https://doi.org/10.1134/S1063785011040122

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  • DOI: https://doi.org/10.1134/S1063785011040122

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