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Coupled experimental and thermodynamic study of the Zn-Fe-Si-O system

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Abstract

Experimental and thermodynamic modeling studies have been carried out on the Zn-Fe-Si-O system. This research is part of a wider program to characterize zinc/lead industrial slags and sinters in the PbO-ZnO-SiO2-CaO-FeO-Fe2O3 system. Experimental investigations involve high-temperature equilibration and quenching techniques followed by electron probe X-ray microanalysis (EPMA). Liquidus temperatures and solid solubilities of the crystalline phases were measured in the temperature range from 1200 °C to 1450 °C (1473 to 1723 K) in the zinc ferrite, zincite, willemite, and tridymite primary-phase fields in the Zn-Fe-Si-O system in air. These equilibrium data for the Zn-Fe-Si-O system in air, combined with previously reported data for this system, were used to obtain an optimized self-consistent set of parameters of thermodynamic models for all phases.

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Authors and Affiliations

  1. PYROSEARCH (Pyrometallurgy Research Centre), Department of Mining, Minerals and Materials Engineering, The University of Queensland, 4072, St Lucia, Queensland, Australia

    Evgueni Jak (Director Research) & Peter C. Hayes (Associate Professor/Director)

  2. the Centre for Research in Computational Thermochemistry, Ecole Polytechnique de Montreal, H3C 3A7, Montreal, PQ, Canada

    Sergei Degterov (Research Professor) & Arthur D. Peiton (Professor)

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  1. Evgueni Jak
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  2. Peter C. Hayes
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  3. Sergei Degterov
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  4. Arthur D. Peiton
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Jak, E., Hayes, P.C., Degterov, S. et al. Coupled experimental and thermodynamic study of the Zn-Fe-Si-O system. Metall Mater Trans B 32, 793–800 (2001). https://doi.org/10.1007/s11663-001-0066-y

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  • DOI: https://doi.org/10.1007/s11663-001-0066-y

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