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Investigation of the kinetics of dissolution of metals in metallic melts by the rotating disk method (mechanism of dissolution of iron in aluminum)

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Soviet materials science : a transl. of Fiziko-khimicheskaya mekhanika materialov / Academy of Sciences of the Ukrainian SSR Aims and scope

Abstract

Analysis of the mechanism of dissolution of an armco-iron disk rotating at 60–600 rpm in liquid aluminum at 700–800°C showed that, at 700–750° C in the initial stages (first 152–30 min) of the process, the rate of dissolution is reduced due to the formation of a protective Θ-phase layer. When the disk rotation speed and the reaction time and temperature are increased, the rate of dissolution becomes faster than the rate of diffusional dissolution according to V. G. Levich. An expression was derived for the dissolution rate in the presence of a protective surface layer whose thickness increases with time.

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Authors and Affiliations

  1. Institute for Problems of Materials Science, AS UkrSSR, Kiev

    V. N. Eremenko, Ya. V. Natanzon & V. R. Ryabov

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  1. V. N. Eremenko
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  2. Ya. V. Natanzon
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  3. V. R. Ryabov
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Eremenko, V.N., Natanzon, Y.V. & Ryabov, V.R. Investigation of the kinetics of dissolution of metals in metallic melts by the rotating disk method (mechanism of dissolution of iron in aluminum). Mater Sci 4, 486–490 (1972). https://doi.org/10.1007/BF00721670

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  • DOI: https://doi.org/10.1007/BF00721670

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