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Formation and properties of copper-silver solid solutions upon severe deformation under pressure

  • Proceedings of the International Symposium “Physics of Crystals 2013”
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Nonequilibrium nanocrystalline FCC solid solutions are obtained via the mechanical alloying of Cu1.0 − x -Ag x powders (x = 0.1, 0.2, …, 0.9, 1.0) with deformation under pressure and their properties are investigated. The chemical homogeneity, microstructure, mechanical properties, and thermal stability of the alloys are investigated. The alloys have the positive deviation of lattice parameters from the Vegard law with crystallite sizes of 20 nm, hardness exceeding the initial values of the components by 4.5–6 times, and a brittle character of fracture. The thermally induced decomposition of nonequilibrium solutions starts at temperatures close to room and is complete after heating to 500°C with the development of collective recrystallization.

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Authors and Affiliations

  1. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620990, Russia

    V. P. Pilyugin, T. P. Tolmachev, I. L. Solodova, O. V. Antonova, E. G. Chernyshev & A. M. Patselov

  2. Institute of Solid-State Chemistry and Mineral Processing, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630128, Russia

    A. I. Ancharov

  3. Novosibirsk State University, Novosibirsk, 630090, Russia

    A. I. Ancharov

Authors
  1. V. P. Pilyugin
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  2. T. P. Tolmachev
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  3. I. L. Solodova
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  4. O. V. Antonova
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  5. E. G. Chernyshev
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  6. A. I. Ancharov
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  7. A. M. Patselov
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Corresponding author

Correspondence to V. P. Pilyugin.

Additional information

Original Russian Text © V.P. Pilyugin, T.P. Tolmachev, I.L. Solodova, O.V. Antonova, E.G. Chernyshev, A.I. Ancharov, A.M. Patselov, 2014, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2014, Vol. 78, No. 10, pp. 1238–1245.

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Pilyugin, V.P., Tolmachev, T.P., Solodova, I.L. et al. Formation and properties of copper-silver solid solutions upon severe deformation under pressure. Bull. Russ. Acad. Sci. Phys. 78, 988–995 (2014). https://doi.org/10.3103/S1062873814100189

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  • DOI: https://doi.org/10.3103/S1062873814100189

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