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Viscosity of the InBi–Pb Melts

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Abstract

The temperature dependences of the dynamic viscosity of the InBi100 – xPbx (where x = 19, 40, 60, 80, and 100 at %) melts are studied in the range from the liquidus temperature to 1200 K by the oscillating crucible method. The temperature dependences of the viscosities of melts of these compositions are well described by the Arrhenius equation. The viscosity of the InBi–Pb melts at a constant temperature has small negative deviations from the ideal mixture viscosity. The activation energy of a viscous flow has negative deviations from additive values with a minimum near 20 at % Pb. The concentration dependences of the viscosities of the melts are calculated using the well-known equations based on the thermodynamic properties. The obtained results are compared with the experimental data.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 19-03-00770-a.

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Authors and Affiliations

  1. Institute of Metallurgy, Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia

    V. V. Filippov & K. Yu. Shunyaev

  2. Ural Federal University named after the First President of Russia B.N. Yeltsin, Yekaterinburg, Russia

    V. V. Filippov & K. Yu. Shunyaev

Authors
  1. V. V. Filippov
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  2. K. Yu. Shunyaev
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Correspondence to V. V. Filippov.

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Translated by Yu. Ryzhkov

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Filippov, V.V., Shunyaev, K.Y. Viscosity of the InBi–Pb Melts. Russ. Metall. 2021, 192–195 (2021). https://doi.org/10.1134/S0036029521020075

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  • DOI: https://doi.org/10.1134/S0036029521020075

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