Thermodynamic modeling of the La–Mg–Zn, Pr–Mg–Zn and Sm–Mg–Zn system

•All phase diagram and thermodynamic data assessed for the (La, Pr, Sm)-Mg–Zn systems.•All phases described by optimized thermodynamic models.•Assessments of other RE–Mg–Zn systems have been carried out simultaneously.•The trends in the rare earth series were exploited in the evaluations.•The final product is a thermodynamic database for multicomponent Mg–RE–Zn systems.

All available phase diagram data for the La–Mg–Zn, Pr–Mg–Zn and Sm–Mg–Zn systems have been collected and critically assessed. Critical thermodynamic evaluations and optimizations of the La–Mg–Zn, Pr–Mg–Zn and Sm–Mg–Zn systems were carried out and model parameters for the thermodynamic properties of all phases have been obtained.

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