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The effect of Guinier–Preston zones on the dynamic yield stress of alloys under the shock-wave load

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Abstract

The movement of an ensemble of edge dislocations under shock-wave action on an alloy that contains the Guinier–Preston zones has been theoretically studied. The analytical expression for the contribution of the Guinier–Preston zones into the dynamic yield stress has been obtained and it has been shown that this contribution is affected by the density of mobile dislocations. The numerical estimates have shown that the formation of these zones lead to a substantial increase in the dynamic yield stress of alloys.

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Authors and Affiliations

  1. Galkin Donetsk Institute for Physics and Engineering, Donetsk, 83114, Ukraine

    V. V. Malashenko

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  1. V. V. Malashenko
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Correspondence to V. V. Malashenko.

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Original Russian Text © V.V. Malashenko, 2017, published in Zhurnal Tekhnicheskoi Fiziki, 2017, Vol. 87, No. 5, pp. 791–792.

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Malashenko, V.V. The effect of Guinier–Preston zones on the dynamic yield stress of alloys under the shock-wave load. Tech. Phys. 62, 810–811 (2017). https://doi.org/10.1134/S106378421705019X

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  • DOI: https://doi.org/10.1134/S106378421705019X

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