Abstract
The BaO-B2O3 pseudobinary system is assessed. A two-sublattice ionic solution model, (Ba2+)P(O2−, BO33−, B4O72−, B3O4.5)Q, is adopted to describe the liquid phase. All the solid phases are treated as stoichiometric compounds. A set of parameters consistent with most of the available experimental data on both phase diagram and thermodynamic properties is obtained by using CALPHAD technique. A comparison between the calculated results and experimental data as well as a previous assessment is presented.
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