Abstract
Abstract On the basis of the thermochemical and phase equilibrium experimental data, the phase diagram of the Ba–Mg binary system has been assessed by means of the calculation of phase diagrams technique. The liquid phase is of unlimited solubility and modeled as a solution phase using the Redlich–Kister equation. The intermetallic compounds, Mg17Ba2, Mg23Ba6 and Mg2Ba, with no solubility ranges are treated as strict stoichiometric compounds with the formula Mg m Ba n . Two terminal phases, Bcc_Ba and Hcp_Mg, are kept as solution phases, since the solubilities of the two phases are of considerable importance. After optimization, a set of self-consistent thermodynamic parameters has been obtained. The calculated values agree well with the available experimental data.
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