Thermodynamic optimization of the Li-Mg and Al-Li-Mg systems

► The Li-Mg binary system is re-assessed by CALPHAD approach considering the latest data. ► The artificial phase relations in the previous optimizations are eliminated in the present work. ► The Al-Li-Mg system is reviewed and conducted a thorough CALPHAD modeling. ► A set of self-consistent parameters for the Li-Mg and Al-Li-Mg systems is obtained.