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The polythermal section of the Cu–Fe–Ni–S phase diagram constructed using directional crystallization and thermal analysis

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Abstract

The polythermal section of the Cu–Fe–Ni–S liquid–solid diagram in a field of equilibrium between sulfide melt L and monosulfide solid solution has been constructed using the quazi-equilibrium directional crystallization of melt Cu = 10.0, Fe = 38.5, Ni = 2.5, S = 49.0 mol% and DTA. The curves of distribution of Ni, Fe, Cu, and S in the sample were constructed. These data were used for determining the crystallization path in concentration tetrahedron and for calculating the distribution coefficients of components between solid and liquid solutions. To plot the liquidus line with the help of the DTA method, we determined the melting points of specially synthesized samples.

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Acknowledgements

This work was supported by the Russian Foundation for Basic Researches (Project N. 12–05–00099).

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Authors and Affiliations

  1. Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, pr. Koptyuga, 3, Novosibirsk, 630090, Russia

    E. F. Sinyakova

  2. Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, pr. Lavrentieva, 3, Novosibirsk, 630090, Russia

    V. I. Kosyakov

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  1. E. F. Sinyakova
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  2. V. I. Kosyakov
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Correspondence to E. F. Sinyakova.

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Sinyakova, E.F., Kosyakov, V.I. The polythermal section of the Cu–Fe–Ni–S phase diagram constructed using directional crystallization and thermal analysis. J Therm Anal Calorim 117, 1085–1089 (2014). https://doi.org/10.1007/s10973-014-3911-3

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  • DOI: https://doi.org/10.1007/s10973-014-3911-3

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