A network model for the thermodynamics of multicomponent silicate melts. I. Binary mixtures MO-SiO2

M.A.J. Michels, E. Wesker

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)

Abstract

We have developed a network model for the thermodynamics of liquid silicate mixtures. Variation of the interaction parameter with composition is incorporated quite naturally by assuming a functional dependence, not on the silica content, but on the actual degree of polymerization of the silicate network. In this paper, which describes the model for binary mixtures, the interaction parameter is fitted to activity data for binaries of SiO2 with CaO, FeO, K2O, MgO, MnO, Na2O and PbO. For the system MgO---SiO2 we have also fitted the temperature-composition phase diagram.
Original languageEnglish
Pages (from-to)111-126
JournalCALPHAD: Computer Coupling of Phase Diagrams and Thermochemistry
Volume12
Issue number2
DOIs
Publication statusPublished - 1988

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