Experimental determination and thermodynamic calculation of BaO-In2O3-B2O3 system

被引：6

作者：

Fan, X. ^{[1
]}

Su, L. M. ^{[1
]}

Cai, G. M. ^{[1
,2
]}

Liu, H. S. ^{[1
,2
]}

Jin, Z. P. ^{[1
,2
]}

机构：

[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[2] Cent S Univ, Educ Minist, Key Lab Nonferrous Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

来源：

CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY | 2016年 / 55卷

基金：

中国国家自然科学基金;

关键词：

BaO-In2O3-B2O3; system; Thermodynamic assessment; CALPHAD; THERMOCHEMICAL PROPERTIES; LIQUID IMMISCIBILITY; CRYSTAL-STRUCTURE; PHASE-EQUILIBRIA; ALKALINE-EARTH; BAO-B2O3; DIAGRAMS; REGION;

D O I：

10.1016/j.calphad.2016.11.001

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Phase relations in BaO-In2O3-B2O system were experimentally and theoretically studied. Firstly, phase equilibria in B2O3 -rich corner at 1298 and 1323 K were measured with EPMA and XRD. Then, thermodynamic assessment was performed based on the measured phase relations in this work and from literatures by CALPHAD method using Thermo-Calc software. The intermediate phases were treated as stoichiometric compounds, and the liquid phase was described by the two-sublattice ionic liquid model (In3+, Ba2+)(P)(O2-, BO33-, B4O72-, B3O4.5)(Q). A set of self -consistent thermodynamic parameters was obtained and the calculated phase diagrams and thermochemical properties conform well to the measurements.

引用

页码：281 / 293

页数：13

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