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Thermodynamic optimization of the systems PbO-SiO2, PbO-ZnO, ZnO-SiO2 and PbO-ZnO-SiO2
Journal article   Peer reviewed

Thermodynamic optimization of the systems PbO-SiO2, PbO-ZnO, ZnO-SiO2 and PbO-ZnO-SiO2

Jak Evgueni, Peter Hayes, Degterov Sergei, Arthur Pelton and Ping Wu
Metallurgical and materials transactions. B, Process metallurgy and materials processing science, Vol.28(6), pp.1011-1018
01/12/1997
DOI: https://doi.org/10.1007/s11663-997-0055-x

Abstract

Lead oxides Liquidus Optimization Parameter modification Phase diagrams Phase equilibria Silicon dioxide Ternary systems Thermodynamic equilibrium Thermodynamic models Thermodynamics Zinc oxide
Liquidus-phase equilibrium data of the present authors for the PbO-ZnO-SiO2 system, combined with phase equilibrium and thermodynamic data from the literature, were optimized to obtain a self-consistent set of parameters of thermodynamic models for all phases. The modified quasichemical model was used for the liquid slag phase. From these model parameters, the optimized ternary-phase diagram was back-calculated.

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