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Microstructure of nanocrystalline powders of nonstoichiometric vanadium VC0.875 and niobium NbC0.93 carbides

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Abstract

The evolution of the microstructure of nonstoichiometric vanadium VC0.875 and niobium NbC0.93 carbide powders subjected to high-energy ball milling is investigated by neutron diffraction. It is established that milling produces non uniform powders and two distinct fractions with differing microstructure can be identified in them. It is shown that the time-of-flight neutron-diffraction technique is promising for studying the microstructure of highly deformed nonstoichiometric carbides and for quantitative determination of the anisotropy of microstrains.

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Authors and Affiliations

  1. Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620990, Russia

    A. S. Kurlov & A. I. Gusev

  2. Joint Institute for Nuclear Research, Dubna, Moscow region, 141980, Russia

    A. M. Balagurov & I. A. Bobrikov

Authors
  1. A. S. Kurlov
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  2. A. M. Balagurov
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  3. I. A. Bobrikov
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  4. A. I. Gusev
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Corresponding author

Correspondence to A. S. Kurlov.

Additional information

Original Russian Text © A.S. Kurlov, A.M. Balagurov, I.A. Bobrikov, A.I. Gusev, 2016, published in Poverkhnost’, 2016, No. 11, pp. 15–21.

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Kurlov, A.S., Balagurov, A.M., Bobrikov, I.A. et al. Microstructure of nanocrystalline powders of nonstoichiometric vanadium VC0.875 and niobium NbC0.93 carbides. J. Surf. Investig. 10, 1136–1142 (2016). https://doi.org/10.1134/S1027451016050530

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  • DOI: https://doi.org/10.1134/S1027451016050530

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