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Fabrication of nickel–aluminum alloys with tungsten and molybdenum borides by the method of self-propagating high-temperature synthesis

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Inorganic Materials: Applied Research Aims and scope

Abstract

Intermetallic alloys in the Ni–Al system strengthened through inclusions of molybdenum and tungsten borides by means of sequential exothermic reactions in a two-layer charge are fabricated. NiAl and Ni2Al3 intermetallic phases and molybdenum (Mo2B5) and tungsten (W2B5) borides are identified in alloys by the methods of X-ray diffraction and elemental analysis. It is established that Mo2B5 and W2B5 inclusions are characterized by high values of microhardness (Mo2B5—24.4 GPa and W2B5—29.2 GPa).

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Authors and Affiliations

  1. Institute of Materials Science, Khabarovsk Scientific Center, Far Eastern Branch, Russian Academy of Sciences, Khabarovsk, 680042, Russia

    V. V. Gostishchev, I. A. Astapov & S. N. Khimukhin

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  1. V. V. Gostishchev
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  2. I. A. Astapov
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  3. S. N. Khimukhin
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Correspondence to V. V. Gostishchev.

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Original Russian Text © V.V. Gostishchev, I.A. Astapov, S.N. Khimukhin, 2016, published in Materialovedenie, 2016, No. 12, pp. 25–29.

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Gostishchev, V.V., Astapov, I.A. & Khimukhin, S.N. Fabrication of nickel–aluminum alloys with tungsten and molybdenum borides by the method of self-propagating high-temperature synthesis. Inorg. Mater. Appl. Res. 8, 546–550 (2017). https://doi.org/10.1134/S2075113317040086

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  • DOI: https://doi.org/10.1134/S2075113317040086

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