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Thermodynamic reassessment of Ni-Pr binary system

Authors
Journal
Journal of Alloys and Compounds
0925-8388
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/j.jallcom.2014.09.116
Keywords
  • Ni-Pr System
  • Thermodynamic Assessment
  • Phase Diagram
  • Calphad Method
Disciplines
  • Physics

Abstract

Abstract Based on the available experimental data of phase equilibria and thermodynamic properties from the literature, the Ni-Pr binary system has been thermodynamically assessed using the CALPHAD method. The solution phases, Liquid, FCC_A1, DHCP and BCC_A2 were modeled as substitutional solution phases, for which the excess Gibbs energies were formulated with Redlich–Kister polynomials. All intermetallic phases were described as stoichiometric compounds. Subsequently, a set of self-consistent thermodynamic parameters describing various phases in this binary system has been obtained. The calculated results reproduce well the corresponding experimental data.

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