Thermodynamic reevaluation of the Fe–O system

Hidayat, Taufiq; Shishin, Denis; Jak, Evgueni; Decterov, Sergei A.

doi:10.1016/j.calphad.2014.12.005

Cited by 115 publications

(58 citation statements)

References 64 publications

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“…The new optimized model parameters are reported in Table 3 [41] 1573 (1300) 43.9 45.6 10.4 1.038 Hidayat et al [41] 1573 (1300) 43.8 45.3 10.9 1.034 Hidayat et al [41] 1573 ( [42] 1473 (1200) 37.8 61.4 0.8 1.623 Hidayat et al [42] [39] and hematite as reported by Hidayat et al [45] were adopted in the present study. Fayalite is the only stable iron-silicate compound at low pressures and the other iron-silicate compound (ferrosilite-FeSiO 3 ) is only stable at high pressures.…”

Section: Thermodynamic Modelsmentioning

confidence: 98%

“…The wüstite in the Fe-O system was modeled in the previous assessment [45] by simple polynomial model based on the formula units shown below:…”

Section: Monoxide (Wüstite)mentioning

confidence: 99%

“…L M-N is the interaction energy parameter between two components which is expanded as polynomial in the mole fractions of the components. The optimized model parameters for wüstite from previous study by the authors [45] were adopted in the present study.…”

Section: Monoxide (Wüstite)mentioning

confidence: 99%

See 2 more Smart Citations

Experimental Study and Thermodynamic Re-optimization of the FeO-Fe2O3-SiO2 System

Hidayat

Shishin

Decterov

et al. 2017

J. Phase Equilib. Diffus.

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Phase equilibria and thermodynamic data in the FeO-Fe 2 O 3 -SiO 2 system were critically reviewed. New experiments were undertaken to resolve discrepancies found in previous data. The liquid oxide/slag phase was described using the modified quasichemical model. New optimized parameters of the thermodynamic models for the Gibbs energies of slag and other phases in the selected system were obtained. The new parameters reproduce all available phase equilibria and thermodynamic data within the experimental error limits from 298 K (25°C) to above the liquidus temperatures at all compositions and oxygen partial pressures from metal saturation to 1 atm of O 2 . This study was carried out as part of the development of a selfconsistent thermodynamic database for the Al-Ca-Cu-FeMg-Si-O-S multi-component system.

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Section: Thermodynamic Modelsmentioning

confidence: 98%

“…The wüstite in the Fe-O system was modeled in the previous assessment [45] by simple polynomial model based on the formula units shown below:…”

Section: Monoxide (Wüstite)mentioning

confidence: 99%

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Experimental Study and Thermodynamic Re-optimization of the FeO-Fe2O3-SiO2 System

Hidayat

Shishin

Decterov

et al. 2017

J. Phase Equilib. Diffus.

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“…Thermodynamic modeling of the liquid phase and the available experimental data for the Fe-O and Fe-S systems were reviewed by Hidayat et al [5] and Waldner and Pelton, [2] respectively. In the present study, a model for the liquid phase is developed within the framework of the quasichemical formalism.…”

Section: Liquid Solutionmentioning

confidence: 99%

“…The results of the present study can be combined with the optimizations of the Cu-Fe-S, [2][3][4] Cu-O-S, [1] Fe-O [5] and Cu-Fe-O [6] systems to predict thermodynamic properties and phase equilibria in the Cu-Fe-O-S quaternary system. Comparison of these predictions with the available experimental data will be reported elsewhere.…”

Section: Introductionmentioning

confidence: 99%

Critical Assessment and Thermodynamic Modeling of the Fe-O-S System

Shishin

Jak

Decterov

2015

J. Phase Equilib. Diffus.

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The Fe-O-S system has been assessed over the whole composition range to produce a selfconsistent set of thermodynamic properties of all condensed phases from 298 K to above the liquidus temperatures at ambient pressure. The liquid phase from metallic liquid to sulfide melt to oxide melt is described by a single model developed within the framework of the quasichemical formalism. The model reflects the existence of strong short-range ordering in oxide, sulfide and oxysulfide liquid. Two ranges of maximum short-range ordering in the Fe-O system at approximately FeO and Fe 2 O 3 compositions are taken into account. Parameters of thermodynamic models have been optimized to reproduce all available thermodynamic and phase equilibrium data. The thermodynamic modeling of the Fe-O-S system performed in the present study is of particular importance for the description of the solubility of oxygen in matte.

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