Abstract

The results of experimental and analytical thermodynamic investigation of binary Ga–Bi system are presented in this paper. Integral molar enthalpies of mixing for liquid Ga–Bi alloys were obtained using quantitative differential thermal analysis. Activities of bismuth in the entire composition range and temperature interval 573–1073 K, were calculated by Zhang–Chou’s method for binary systems having two liquid or solid coexisting phases in combination with other Chou’s method developed for simple eutectic systems. Activities of gallium were derived from Gibbs–Duhem equation. Comparison between experimental, calculated values and existing literature data shows good agreement.

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