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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hansson, R.
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Publications (3/3 displayed)
- 2006The relationships between microstructure and crystal structure in zincite solid solutionscitations
- 2005Phase equilibria in the system Al-Fe-Zn-O at intermediate conditions between metallic iron saturation and aircitations
- 2004Experimental study of phase equilibria in the Fe-Sn-Zn-O system in aircitations
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article
Phase equilibria in the system Al-Fe-Zn-O at intermediate conditions between metallic iron saturation and air
Abstract
The phase equilibria in the ZnO-rich part in the Al-Fe-Zn-O system in the range of 1200 to 1400 degrees C in oxygen partial pressure (pO(2)) 1*10(-6) atm and at 1200 degrees C in pO(2)=1*10(-8) atm have been experimentally studied. Equilibration and quenching techniques followed by electron probe X-ray microanalysis were used in the study. Sections of the Al2O3-Fe2O3-FeO-ZnO system at 1200, 1300 and 1400 degrees C in pO(2) =1*10(-6) atm and at 1200 degrees C in pO(2)=1*10(-8) atm have been constructed and reported for the first time. The extents of solid solution in the spinel (Al,Fe,Zn)O-4 and zincite (Zn,Al,Fe)O primary phase fields have been measured. Spinet forms an extensive solid Solution in the Al-Fe-Zn-O system. The ZnO-rich boundary of the spinel is close to the ZnAl2O4-ZnFe2O4 join at the more oxidizing conditions, approaching the ZnAl2O4-FeAl2O4 join at more reducing conditions. The zincite solid solution dissolves mainly iron but also small concentrations of aluminum at elevated temperature or reduced pO(2). The observed zincite morphology in samples after equilibration supports the previously reported relations between the formation of equiaxed and plate-like zincite and phase equilibria.