An assessment of the one-bar liquidus phase relations in the MgOSiO2 system

V. Swamy, S. K. Saxena, B. Sundman

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Abstract

An assessment of the thermodynamic properties of the liquid phase in the MgOSiO2 system at one bar is performed using the calphad technique. The liquid is described using a two-sublattice ionic liquid model. The thermodynamic data for the solid phases used are from previous evaluations considering high pressure and high temperature phase equilibria and the available calorimetric data. With the assessed parameters, the experimental phase relations are reproduced very well and a good agreement is obtained with the calorimetric data on enthalpy of fusion.

Original languageEnglish
Pages (from-to)157-164
Number of pages8
JournalCalphad
Volume18
Issue number2
DOIs
Publication statusPublished - 1994
Externally publishedYes

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