On thermodynamic assessment of the Ag–Pr system

Optimized descriptions of the phase diagram and thermodynamic properties of the Ag–Pr system have been obtained from experimental thermodynamic and phase diagram data by means of the computer program based on the least squares method, using models for the Gibbs energy of individual phases. The system contains four intermetallic compounds. The calculated standard enthalpies of formation of AgPr, Ag2Pr, Ag51Pr14 and Ag5Pr are -23.580 kJ/mol, -22.132 kJ/mol, -21.246 kJ/mol and -21.393 kJ/mol, respectively. A consistent set of thermodynamic parameters was derived. Optimized and experimental data are in good agreement.