

Author: Jak Evgueni Zhao Baojun Hayes Peter
Publisher: Springer Publishing Company
ISSN: 1543-1916
Source: Metallurgical and Materials Transactions B, Vol.31, Iss.6, 2000-12, pp. : 1195-1201
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Abstract
The reported experimental work on the systems Fe-Zn-O and Fe-Zn-Si-O in equilibrium with metallic iron is part of a wider research program that combines experimental and thermodynamic computer modeling techniques to characterize zinc/lead industrial slags and sinters in the system PbO-ZnO-SiO2-CaO-FeO-Fe2O3. Extensive experimental investigations using high-temperature equilibration and quenching techniques followed by electron probe X-ray microanalysis (EPMA) were carried out. Special experimental procedures were developed to enable accurate measurements in these ZnO-containing systems to be performed in equilibrium with metallic iron. The systems Fe-Zn-O and Fe-Zn-Si-O were experimentally investigated in equilibrium with metallic iron in the temperature ranges 900 °C to 1200 °C (1173 to 1473 K) and from 1000 °C to 1350 °C (1273 to 1623 K), respectively. The liquidus surface in the system Fe-Zn-Si-O in equilibrium with metallic iron was characterized in the composition ranges 0 to 33 wt pct ZnO and 0 to 40 wt pct SiO2. The wustite (Fe,Zn)O, zincite (Zn,Fe)O, willemite (Zn,Fe)2SiO4, and fayalite (Fe,Zn)2SiO4 solid solutions in equilibrium with metallic iron were measured.
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