Thermodynamic properties of the Cs2O-Al2O3-SiO2 system at high temperatures

被引：0
|
作者：
Stolyarova, V. L. [1 ]
Shilov, A. L. [1 ,2 ]
Lopatin, S. I. [1 ,2 ]
Fedorova, A. V. [1 ]
Vorozhtcov, V. A. [1 ,2 ]
机构：
[1] St Petersburg State Univ, 7-9 Univ Skaya Nab, St Petersburg 199034, Russia
[2] Russian Acad Sci, IV Grebenshchikov Inst Silicate Chem, 2 Nab Makarova, St Petersburg 199034, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2024年 / 73卷 / 11期
关键词：
cesium oxide; thermodynamic properties; high-temperature mass spectrometry; modeling;
D O I：
10.1007/s11172-024-4436-y
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Evaporation processes and thermodynamic properties were for the first time investigated using the Knudsen effusion mass spectrometric method for ceramics based on the Cs2O-Al2O3-SiO2 system within the temperature range of 1000-1200 K. The found values of partial pressures of vapor species, activities of components, and Gibbs energy indicated negative deviations of the thermodynamic properties from the model of ideal solution. The obtained experimental values of thermodynamic properties were optimized using the generalized lattice theory of the associated solutions.
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页码：3204 / 3214
页数：11
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