Abstract
The thermochemical properties of melts of the Co-Sc(Y) systems were studied by the calorimetry method at 1873 K over the wide concentration intervals. It was shown that moderate negative heat effects of mixing are characteristic for these melts. Using the ideal associated solution (IAS) model, the activities of components, mixing Gibbs energies and entropies in the alloys of these systems, and their phase diagrams were calculated, and they agree well with the data from literature and undergo the general dependences for the Fe(Co, Ni, Cu)-d-metal systems.
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Original Russian Text © M.A. Shevchenko, M.I. Ivanov, V.V. Berezutski, V.G. Kudin, V.S. Sudavtsova, 2015, published in Zhurnal Fizicheskoi Khimii, 2015, Vol. 89, No. 6, pp. 905–914.
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Shevchenko, M.A., Ivanov, M.I., Berezutski, V.V. et al. Thermodynamic properties of alloys of the Co-Sc and Co-Y systems. Russ. J. Phys. Chem. 89, 931–940 (2015). https://doi.org/10.1134/S0036024415060266
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DOI: https://doi.org/10.1134/S0036024415060266