Phase equilibria studies in the CaO-SiO2-Al2O3-MgO system with CaO/SiO2ratio of 0.9

被引：16

作者：

Wang, Dongqing ^{[1
,2
,3
]}

Chen, Mao ^{[3
]}

Jiang, Yang ^{[3
]}

Wang, Shuai ^{[3
]}

Zhao, Zhixing ^{[1
,2
]}

Evans, Tim ^{[4
]}

Zhao, Baojun ^{[3
]}

机构：

[1] Beijing Key Lab Green Recyclable Proc Iron & Stee, Beijing, Peoples R China

[2] Shougang Res Inst Technol, Beijing, Peoples R China

[3] Univ Queensland, Sch Chem Engn, Brisbane, Qld, Australia

[4] Rio Tinto Iron Ore, Perth, WA, Australia

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2020年 / 103卷 / 12期

关键词：

CaO-SiO2-Al2O3-MgO system; liquidus temperature; phase equilibria; solid solution; CAO/SIO2; RATIO;

D O I：

10.1111/jace.17421

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：

Phase equilibria and liquidus temperatures in the CaO-SiO2-Al2O3-MgO system at a CaO/SiO(2)weight ratio of 0.9 in the liquid phase have been experimentally determined employing high-temperature equilibration and quenching technique followed by electron probe X-ray microanalysis. Isotherms at 1573, 1623, 1673, and 1773 K were determined and the primary phase fields of wollastonite, melilite, olivine, periclase, spinel, and corundum have been located. Compositions of the olivine and melilite solid solutions were analyzed and discussed. Comparisons between the newly constructed diagram, existing data, and FactSage predicted phase diagrams were performed and differences were discussed. The present study will be useful for guidance of industrial practices and further development of thermodynamic modeling.

引用

页码：7299 / 7309

页数：11

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