Thermodynamic assessment of the CaO-Al2O3-SiO2 system

被引：102

作者：

Mao, HH ^{[1
]}

Hillert, M ^{[1
]}

Selleby, M ^{[1
]}

Sundman, B ^{[1
]}

机构：

[1] Royal Inst Technol, KTH, Div Computat Thermodynam, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2006年 / 89卷 / 01期

关键词：

D O I：

10.1111/j.1551-2916.2005.00698.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The CaO-Al2O3-SiO2 system has been assessed with the CALP-HAD technique, based on recent assessments of its binary systems. A new species AlO2-1 was introduced for modeling liquid Al2O3. The ternary liquid phase was described using the ionic two-sublattice model as (Al+3, Ca+2)(p) (AlO2-1, O-2, SiO4-4 SiO20)(Q). The available experimental data were critically examined and a self-consistent set of thermodynamic descriptions was obtained. Various phase diagrams and property diagrams, including isothermal sections, isoactivity lines, and a projection of the liquidus surface, are presented. Information on viscosity seems to support the use of the AlO2-1 species.

引用

页码：298 / 308

页数：11

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