Calculation of the FeCNb ternary phase diagram

Hiroshi Otani, M. Hasebe, T. Nishizawa

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)


Phase equilibria in the Fe-rich portion of the FeCNb ternary system were analyzed on the basis of experimental and thermodynamic data. The Gibbs energy of the Nb-carbide and solution phases was approximated by the two-sublattice model, being separated into the paramagnetic and ferromagnetic terms. In particular, the two phase equilibrium between austenite and cubic Nb-carbide was treated as a portion of the miscibility gap in the fcc FeCNb phase. The calculated phase boundary of austenite in equilibrium with the Nb-carbide showed a characteristic shape, as was the case in the FeCTi system.

Original languageEnglish
Pages (from-to)183-204
Number of pages22
Issue number2
Publication statusPublished - 1989 Jan 1

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Computer Science Applications


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