A NETWORK MODEL FOR THE THERMODYNAMICS OF MULTICOMPONENT SILICATE MELTS .1. BINARY-MIXTURES MO-SIO2

被引：4
|
作者：
MICHELS, MAJ
WESKER, E
机构：
[1] Koninklijke/Shell-Lab, Amsterdam, Neth, Koninklijke/Shell-Lab, Amsterdam, Neth
来源：
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY | 1988年 / 12卷 / 02期
关键词：
LIQUIDS - Phase Diagrams - SALTS - Fused - THERMODYNAMICS - Mathematical Models;
D O I：
10.1016/0364-5916(88)90014-4
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
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 SiO//2 with CaO, FeO, K//MgO, MnO, Na//20 and PbO. For the system MgO-SiO//2 we have also fitted the temperature-composition phase diagram.
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页码：111 / 126
页数：16
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