The experimental phase diagram data of the Ga-As-P,Ga-P-Sb,In-As-P and In-P-Sb ternary systems were critically assessed. A set of self-consistent thermodynamic
Cu-Zn, Cu-Zn-Sn, Cu-Zn-Ni alloys were melted by vacuum smelter. The effect factors to the surface free energy of the alloys such as chemical composition, crysta