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Interdiffusion in and the phase diagram for vanadium-rich alloys of the V-Al system at pressures 0 to 47 Kbar

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Abstract

The V-Al system between 16 and 39 at. pet Al was studied at 1400°C under pressures of 0, 30, and 47 kbar. Electron microprobe analysis, X-ray diffraction, microhardness readings, and metallographic examination revealed only a single solid solution. Inter diffusion coefficients were determined as a function of composition and pressure. Concentration gradients were measured with an electron microprobe analyzer and the diffusion coefficients were calculated by the Matano analysis. At 1400°C, the value of the interdiffusion coefficient varied from 1 to 12 × 10-9 sq cm per s, increasing with aluminum content and decreasing with increasing pressure.

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Authors and Affiliations

  1. Academy of Sciences of the USSR, Baikov Institute of Metallurgy, Moscow

    A. YA. Shinyayev

  2. Metallurgy Division, Institute for Materials Research, National Bureau of Standards, Washington, D.C.

    Daniel B. Butrymowicz (Metallurgist)

Authors
  1. A. YA. Shinyayev
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  2. Daniel B. Butrymowicz
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Formerly Visiting Scientist, Metallurgy Division, Institute for Materials Research, National Bureau of Standards, Washington, D.C.

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Shinyayev, A.Y., Butrymowicz, D.B. Interdiffusion in and the phase diagram for vanadium-rich alloys of the V-Al system at pressures 0 to 47 Kbar. Metall Trans 1, 1905–1907 (1970). https://doi.org/10.1007/BF02642790

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  • DOI: https://doi.org/10.1007/BF02642790

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