Effect of MgO on liquidus temperatures in the system ZnO-“FeO”-Al2O3-CaO-SiO2-MgO in equilibrium with metallic iron

Zhao, Baojun, Hayes, Peter and Jak, Evgueni (2011) Effect of MgO on liquidus temperatures in the system ZnO-“FeO”-Al2O3-CaO-SiO2-MgO in equilibrium with metallic iron. Metallurgical and Materials Transactions B - Process Metallurgy and Materials Processing Science, 42 3: 490-499. doi:10.1007/s11663-011-9498-1


Author Zhao, Baojun
Hayes, Peter
Jak, Evgueni
Title Effect of MgO on liquidus temperatures in the system ZnO-“FeO”-Al2O3-CaO-SiO2-MgO in equilibrium with metallic iron
Journal name Metallurgical and Materials Transactions B - Process Metallurgy and Materials Processing Science   Check publisher's open access policy
ISSN 1073-5615
Publication date 2011-06-01
Sub-type Article (original research)
DOI 10.1007/s11663-011-9498-1
Volume 42
Issue 3
Start page 490
End page 499
Total pages 10
Place of publication United States
Publisher Springer New York LLC
Language eng
Formatted abstract
The phase equilibria in the ZnO-"FeO"-Al2O 3-CaO-SiO2-MgO system have been determined experimentally in equilibrium with metallic iron. Synthetic slags were equilibrated at a high temperature, quenched, and then the compositions of the phases in equilibrium were measured using electron probe X-ray microanalysis. Pseudoternary sections of the form ZnO-"FeO"-(Al2O3 + CaO + SiO 2) for CaO/SiO2 = 0.71, (CaO + SiO2)/Al 2O3 = 5 and fixed MgO concentrations of 2, 4, and 6 wt pct have been constructed. Wustite (Fe2+,Mg,Zn)O and spinel (Fe 2+,Mg,Zn)O•(Al,Fe3+)2O3 are the major primary phases in the temperature and composition ranges investigated. The liquidus temperatures are increased by 140 K in the wustite primary phase field and by 70 K in the spinel primary phase field with the addition of 6 wt pct MgO in the slag. The partitioning of MgO and ZnO between the solid and liquid phases has been discussed.


Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
Official 2012 Collection
 
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Created: Mon, 26 Sep 2011, 19:12:36 EST by Dr Baojun Zhao on behalf of School of Chemical Engineering