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Thermodynamic reevaluation of the Mg–Tl system

Authors
Journal
Journal of Alloys and Compounds
0925-8388
Publisher
Elsevier
Publication Date
Volume
459
Identifiers
DOI: 10.1016/j.jallcom.2007.04.031
Keywords
  • Mg–Tl
  • Thermodynamic
  • Phase Diagram
  • Calphad
Disciplines
  • Physics

Abstract

Abstract Using the CALPHAD technique, the phase diagram and thermodynamic data of the Mg–Tl system are critically reevaluated. The liquid, hcp and bcc phases are treated with the substitutional solution model, where the excess Gibbs free energies are expressed in Redlich–Kister polynomials. All the intermetallic phases are treated as stoichiometric compounds. A self-consistent thermodynamic description of the Mg–Tl system is obtained. The calculated phase diagram and thermodynamic properties are in satisfactory agreement with the experimental results.

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