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Reaction of chromium carbide with molten copper-nickel alloys

  • Test Methods and Properties of Materials
  • Published:
Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    A study was made of the kinetics of the reaction between chromium carbide and molten copper-nickel alloys containing 20 and 40% nickel.

  2. 2.

    The dissolution rate of chromium carbide in the molten alloys investigated is controlled by diffusional transport in the liquid phase.

  3. 3.

    The dissolution rate of chromium carbide in a molten Cu — 20% Ni alloy is determined by the diffusional characteristics of carbon in the alloy. The diffusion coefficient of carbon in molten copper-nickel alloys containing 20% Ni was calculated.

  4. 4.

    During the dissolution of the higher chromium carbide in a molten Cu — 20% Ni alloy, a graphite layer forms at the interface of the two phases. No graphite deposition is observed during the dissolution of the carbide in a molten Cu — 40% Ni alloy.

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Literature cited

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Authors and Affiliations

  1. Institute of Materials Science, Academy of Sciences of the Ukrainian SSR, Ukraine

    V. N. Eremenko & M. M. Churakov

Authors
  1. V. N. Eremenko
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  2. M. M. Churakov
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Translated from Poroshkovaya Metallurgiya, No. 9 (117), pp. 48–51, September, 1972.

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Eremenko, V.N., Churakov, M.M. Reaction of chromium carbide with molten copper-nickel alloys. Powder Metall Met Ceram 11, 724–726 (1972). https://doi.org/10.1007/BF00801270

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  • DOI: https://doi.org/10.1007/BF00801270

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