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Estimate of the rate of contact melting of metals in the nonstationary-diffusion regime by the methods of the thermodynamics of irreversible processes

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Abstract

On the basis of the thermodynamics of irreversible processes, an equation is derived for the estimation of the average rate ¯vn of contact melting in conditions of non-steady-state diffusion when the liquid is not drawn away from the contact zone and its thickness increases with time. If follows from the derived equation that ¯vn ∼ 1/√t, where t is the melting time. A formula is also obtained for the rate of contact melting in the steady state, vs; under certain conditions this formula coincides with the equations obtained by other authors.

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Authors and Affiliations

  1. Kabardin-Balkar State University, USSR

    A. A. Shebzukhov, A. G. Mikhailyuk & P. A. Savintsev

Authors
  1. A. A. Shebzukhov
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  2. A. G. Mikhailyuk
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  3. P. A. Savintsev
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavadenii, Fizika, No. 12, pp. 66–71, December, 1970.

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Shebzukhov, A.A., Mikhailyuk, A.G. & Savintsev, P.A. Estimate of the rate of contact melting of metals in the nonstationary-diffusion regime by the methods of the thermodynamics of irreversible processes. Soviet Physics Journal 13, 1607–1612 (1970). https://doi.org/10.1007/BF00820115

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  • DOI: https://doi.org/10.1007/BF00820115

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