Magnesium deoxidation equilibrium of molten Fe-Cr-Ni alloy expressed by quadratic formalism and redlich-kister type polynomial

Ryo Yamamoto, Hiroshi Fukaya, Naoya Satoh, Takahiro Miki, Mitsutaka Hino

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Magnesium deoxidation equilibrium of molten Fe-Cr-Ni alloy was determined by a chemical equilibrium method at temperature of 1 873 to 1 973 K. Extreme care was taken of oxygen analysis of the samples. Numerical analysis on Mg deoxidation of molten Fe-Cr-Ni alloy has been carried out by utilizing the model based on Darken's quadratic formalism and Redlich-Kister type polynomial. Magnesium deoxidation equilibrium can be expressed in wide composition region of the Fe-Cr-Ni alloy.

Original languageEnglish
Pages (from-to)895-900
Number of pages6
JournalIsij International
Volume51
Issue number6
DOIs
Publication statusPublished - 2011 Jun 15

Keywords

  • Activity
  • Chromium
  • Excess free Gibbs energy
  • Iron
  • Magnesium deoxidation equilibrium
  • Nickel
  • Quadratic formalism
  • Redlich-Kister polynomial
  • Thermodynamics

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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