Journal of Phase Equilibria

, 21:432 | Cite as

Thermodynamic assessment of the phase diagrams of the Cu-Sb and Sb-Zn systems

  • X. J. Liu
  • C. P. Wang
  • I. Ohnuma
  • R. Kainuma
  • K. Ishida
Basic And Applied Research


Thermodynamic assessments have been made for the Cu-Sb and Sb-Zn binary systems by means of the CALPHAD technique. The Gibbs energies of the liquid, bcc, and fcc phases are described by a substitution solution model and a Redlich-Kister formalism. All of the compounds were treated as stoichiometric compounds. Moreover, the liquidus temperatures of the Zn-rich portion in the Sb-Zn system were measured to check the unusual shape reported by previous work. It was confirmed that the liquidus line is not peculiar but smooth. A consistent set of the thermodynamic parameters was optimized to obtain a better fit between calculated results and experimental data including phase diagram and thermodynamic quantities.


Gibbs Energy Phase Equilibrium Invariant Reaction Thermodynamic Assessment Calculated Phase Diagram 


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Copyright information

© ASM International 2000

Authors and Affiliations

  • X. J. Liu
    • 1
  • C. P. Wang
    • 1
  • I. Ohnuma
    • 1
  • R. Kainuma
    • 1
  • K. Ishida
    • 1
  1. 1.Department of Materials Science, Graduate School of EngineeringTohoku UniversitySendaiJapan

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