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Influence of deviation from stoichiometry on the plasticity and mechanism of fracture of the boron-alloyed intermetallic compound Ni3Al obtained by self-propagating high-temperature synthesis

  • Solid-State Physics
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Russian Physics Journal Aims and scope

Abstract

We have studied the effect that deviation of the composition of an ally from stoichiometry has on the plasticity δ, strength σB, and the fracture mechanism of the intermetallic compound Ni3Al obtained by self-propagating high-temperature synthesis. The variation of the tensile strength, plasticity, type of fracture, and the cohesive strength σcoh of grains have been show to be correlated. The cohesive strength increases with the Al content in the alloy, most rapidly up to 24.0 at. % Al.

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Authors
  1. G. P. Bakach
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  2. E. F. Dudarev
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  3. V. E. Ovcharenko
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  4. V. P. Lyubivoi
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  5. T. Yu. Chubenko
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  6. E. G. Barmina
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Additional information

V. D. Kuznetsov Siberian Physicotechnical Institute, Tomsk State University. Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 104–110, April, 1994.

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Bakach, G.P., Dudarev, E.F., Ovcharenko, V.E. et al. Influence of deviation from stoichiometry on the plasticity and mechanism of fracture of the boron-alloyed intermetallic compound Ni3Al obtained by self-propagating high-temperature synthesis. Russ Phys J 37, 394–399 (1994). https://doi.org/10.1007/BF00560228

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  • DOI: https://doi.org/10.1007/BF00560228

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