Abstract
Phase equilibria in the quasi-ternary system Cu2S-HgS-SnS2 were studied by physico-chemical analysis methods on 152 alloys that were synthesized by direct single-temperature method. Phase diagrams of the quasi-binary system Cu2S-HgS, six vertical sections (Cu2S-Cu2HgSnS4, Cu2SnS3-HgS, Cu2HgSnS4-SnS2, Cu2Sn4S9-Cu2HgSnS4, Cu4SnS4-Cu2HgSnS4, A–B (A—40 mol.% HgS, 60 mol.% Cu2S; B—40 mol.% HgS, 60 mol.% SnS2), liquidus surface projection, and isothermal section at 670 K were investigated. The coordinates of eutectic points were determined: 59 mol.% HgS, 983 K (in the Cu2S-HgS system); 73 mol.% Cu2S, 1060 K (at the Cu2S-Cu2HgSnS4 section); 18 mol.% HgS, 1113 K and 88 mol.% HgS, 1035 K (at the Cu2SnS3-HgS section); 83 mol.% SnS2, 1021 K (at the Cu2HgSnS4-SnS2 section).
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Marchuk, O.V., Smitiukh, O.V. & Kogut, Y. Quasi-Ternary System Cu2S-HgS-SnS2. J. Phase Equilib. Diffus. 42, 245–253 (2021). https://doi.org/10.1007/s11669-021-00873-1
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DOI: https://doi.org/10.1007/s11669-021-00873-1