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Thermodynamic modeling of the CoO–SiO2 and CoO–FeO–Fe2O3–SiO2 systems

  • In-Ho Jung , Sergei A. Decterov and Arthur D. Pelton
Published/Copyright: May 23, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 98 Issue 9

Abstract

A complete critical evaluation and thermodynamic modeling of the phase diagrams and thermodynamic properties of oxide phases in the CoO – FeO – Fe2O3 – SiO2 system at 1 bar total pressure are presented. Optimized equations for the thermodynamic properties of all phases were obtained which reproduce all available thermodynamic and phase equilibrium data within the limits of absolute experimental accuracy from 25 °C to above the liquidus temperatures at all compositions and oxygen partial pressures. The database of the model parameters can be used, along with software for Gibbs energy minimization, to calculate any type of phase diagram section. Unexplored phase diagram sections and activities of CoO, FeO and SiO2 in this system of industrial importance are predicted from the thermodynamic models with the optimized parameters.

Keywords: System CoO – FeO – Fe2O3 – SiO2; Phase equilibria; Ceramics; Thermodynamics; Slags
* Correspondence address, Prof. Arthur Pelton C.P. 6079, succ. Centre-ville Montréal (Québec) Canada H3C 3A7 Tel.: +514 340 4711 ext. 4531 Fax: +514 340 5840 E-mail:

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Received: 2007-4-13
Accepted: 2007-7-2
Published Online: 2013-05-23
Published in Print: 2007-09-01

© 2007, Carl Hanser Verlag, München

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Computational Thermochemistry
  5. Gunnar Eriksson 65 years
  6. Basic
  7. Vegard's law: a fundamental relation or an approximation?
  8. Is it a compound or cluster energy formalism?
  9. Post-optimization elimination of inverted miscibility gaps
  10. Thermodynamic evaluation of the Au–Sn system
  11. Applications of thermodynamic calculations to Mg alloy design: Mg–Sn based alloy development
  12. Thermodynamic modeling of the CoO–SiO2 and CoO–FeO–Fe2O3–SiO2 systems
  13. Scheil–Gulliver simulation with partial redistribution of fast diffusers and simultaneous solid–solid phase transformations
  14. Analysis of X-ray extinction due to homogeneously distributed dislocations – Bragg case
  15. Applied
  16. Thermodynamic modelling in the ZrO2–La2O3–Y2O3–Al2O3 system
  17. Thermodynamic optimisation of the FeO–Fe2O3–SiO2 (Fe–O–Si) system with FactSage
  18. Reassessment of the Al–Mn system and a thermodynamic description of the Al–Mg–Mn system
  19. Application of FactSage thermodynamic modeling of recycled slags (Al2O3–CaO–FeO–Fe2O3–SiO2–PbO–ZnO) in the treatment of wastes from end-of-life-vehicles
  20. Bio-inspired syntheses of ZnO-protein composites
  21. Preparation and characterization of cobalt–bismuth nano- and micro-particles
  22. Strain rate dependency on deformation texture for pure polycrystalline tantalum
  23. Notifications
  24. DGM News
https://doi.org/10.3139/146.101538
Keywords for this article
System CoO – FeO – Fe2O3 – SiO2; Phase equilibria; Ceramics; Thermodynamics; Slags

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Computational Thermochemistry
  5. Gunnar Eriksson 65 years
  6. Basic
  7. Vegard's law: a fundamental relation or an approximation?
  8. Is it a compound or cluster energy formalism?
  9. Post-optimization elimination of inverted miscibility gaps
  10. Thermodynamic evaluation of the Au–Sn system
  11. Applications of thermodynamic calculations to Mg alloy design: Mg–Sn based alloy development
  12. Thermodynamic modeling of the CoO–SiO2 and CoO–FeO–Fe2O3–SiO2 systems
  13. Scheil–Gulliver simulation with partial redistribution of fast diffusers and simultaneous solid–solid phase transformations
  14. Analysis of X-ray extinction due to homogeneously distributed dislocations – Bragg case
  15. Applied
  16. Thermodynamic modelling in the ZrO2–La2O3–Y2O3–Al2O3 system
  17. Thermodynamic optimisation of the FeO–Fe2O3–SiO2 (Fe–O–Si) system with FactSage
  18. Reassessment of the Al–Mn system and a thermodynamic description of the Al–Mg–Mn system
  19. Application of FactSage thermodynamic modeling of recycled slags (Al2O3–CaO–FeO–Fe2O3–SiO2–PbO–ZnO) in the treatment of wastes from end-of-life-vehicles
  20. Bio-inspired syntheses of ZnO-protein composites
  21. Preparation and characterization of cobalt–bismuth nano- and micro-particles
  22. Strain rate dependency on deformation texture for pure polycrystalline tantalum
  23. Notifications
  24. DGM News
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