Abstract
Excess molar volumes V m E of lead-based α-phase solid solutions in (lead + bismuth + indium) at 298.15 K are reported. The experimental results are fitted using the sub-regular solution model. It is shown that bismuth contributes negative deviations and indium positive deviations to V m E, which are related to the relative volumes of the pure metals and are attributed to the different interactions between different solute and solvent atoms. The volume effect of solutes in the solid solutions is consistent with the thermodynamic trend of solutes in the liquid alloys.
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