Thermodynamic evaluation of the Cu-In-Zn system

•Thermodynamic modeling of the system Cu-In-Zn.•Calculation of five vertical sections and two isothermal sections.•Calculated liquidus surface projection.

Phase equilibria in the Cu-In-Zn system are calculated using a thermodynamic modeling approach. The thermodynamic model parameters for the constituent binaries Cu-In,Cu-Zn and In-Zn are taken from earlier assessments. Thermodynamic descriptions of the ternary liquid and copper-based solutions are obtained based on the experimental thermodynamic and phase equilibria data available in literature for the Cu-In-Zn system. The liquidus surface projection, isothermal sections at 373 and 573 K, as well as vertical sections xCu/xIn = 1:2, 1:1, 2:1 and xIn = 0.75, 0.5 are calculated.

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