Thermodynamic optimization of the Ca-Fe-O System

Hidayat, Taufiq, Shishin, Denis, Decterov, Sergei A. and Jak, Evgueni (2015) Thermodynamic optimization of the Ca-Fe-O System. Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, 47 1: 256-281. doi:10.1007/s11663-015-0501-0


Author Hidayat, Taufiq
Shishin, Denis
Decterov, Sergei A.
Jak, Evgueni
Title Thermodynamic optimization of the Ca-Fe-O System
Journal name Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science   Check publisher's open access policy
ISSN 1073-5615
1543-1916
Publication date 2015-11-16
Sub-type Article (original research)
DOI 10.1007/s11663-015-0501-0
Open Access Status Not Open Access
Volume 47
Issue 1
Start page 256
End page 281
Total pages 26
Place of publication New York, NY, United States
Publisher Springer New York
Language eng
Formatted abstract
The present study deals with the thermodynamic optimization of the Ca-Fe-O system. All available phase equilibrium and thermodynamic experimental data are critically assessed to obtain a self-consistent set of model parameters for the Gibbs energies of all stoichiometric and solution phases. Model predictions of the present study are compared with previous assessments. Wüstite and lime are described as one monoxide solution with a miscibility gap, using the random mixing Bragg-Williams model. The solubility of CaO in the “Fe3O4” magnetite (spinel) phase is described using the sublattice model based on the Compound Energy Formalism. The effect of CaO on the stability of the spinel phase is evaluated. The liquid CaO-FeO-Fe2O3 slag is modeled using the Modified Quasichemical Formalism. Liquid metal phase is described as a separate solution by an associate model.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2016 Collection
 
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