Evaluation of thermodynamic data and phase equilibria in the system Ca-Cr-Cu-Fe-Mg-Mn-S Part II: Ternary and quasi-ternary subsystems

Add time:08/18/2019    Source:sciencedirect.com

The Ca-Cr-Cu-Fe-Mg-Mn-S system has been thermodynamically assessed using all available experimental data. Sulfur is introduced into the thermodynamic description of 8 solid solution phases such as Thiospinel, Digenite, Oldhamite, Cu2S-I, Cu2S-II, Pyrrhotite, Brezinaite, Chalcopyrite-HT using available experimental information. Particular attention was given to the phase Pyrrhotite which forms at high temperatures a solid solution with end-members Fe1−xS and Cr1−xS in the ternary Cr-Fe-S system, and also the phase Digenite, which exhibits very wide solubility toward Pyrrhotite in the Cu-Fe-S system. In this part of the report ternary and quasi-ternary subsystems are presented while all relevant binary systems as well as pseudo-binary sections have already been presented in Part I of this series.

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