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The effect of antiphase domains on the energy spectra of special boundaries in alloys with the L12 superstructure

  • OMA-11
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The special grain boundaries in ordering alloys with the L12 superstructure have been investigated by optical metallography and transmission diffraction electron microscopy. The relative energy of the boundaries Σ3 and Σ9 in Ni3Fe alloy with a short-range order is determined. The energy of these boundaries in an alloy with long-range order is estimated. The energy of twin grain boundaries increases at the phase transitions A1 → L12 due to the formation of antiphase grain boundaries in those boundaries. The spectra of special boundaries over Σ and their distributions, depending on the relative energy, change as well. The average relative energy of special grain boundaries in alloys with the L12 superstructure increases with increasing the energy of antiphase boundaries.

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Authors and Affiliations

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

    O. B. Perevalova

  2. Tomsk State University of Architecture and Building, Tomsk, 634003, Russia

    N. A. Koneva & E. V. Kozlov

Authors
  1. O. B. Perevalova
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  2. N. A. Koneva
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  3. E. V. Kozlov
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Corresponding author

Correspondence to O. B. Perevalova.

Additional information

Original Russian Text © O.B. Perevalova, N.A. Koneva, E.V. Kozlov 2009, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2009, Vol. 73, No. 7, pp. 1030–1033.

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Perevalova, O.B., Koneva, N.A. & Kozlov, E.V. The effect of antiphase domains on the energy spectra of special boundaries in alloys with the L12 superstructure. Bull. Russ. Acad. Sci. Phys. 73, 974–977 (2009). https://doi.org/10.3103/S1062873809070351

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  • DOI: https://doi.org/10.3103/S1062873809070351

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