高温下cs20 - al2o3 - sio2体系的热力学性质

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Russian Chemical Bulletin Pub Date : 2025-01-14 DOI:10.1007/s11172-024-4436-y

V. L. Stolyarova, A. L. Shilov, S. I. Lopatin, A. V. Fedorova, V. A. Vorozhtcov

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引用次数: 0

摘要

本文首次采用Knudsen液流质谱法研究了cs20 - al2o3 - sio2体系陶瓷在1000 ~ 1200 K温度范围内的蒸发过程和热力学性质。汽相分压、组分活度和吉布斯能的数值表明，其热力学性质与理想溶液模型存在负偏差。利用关联解的广义点阵理论对得到的热力学性质实验值进行了优化。

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

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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来源期刊

Russian Chemical Bulletin 化学-化学综合

CiteScore

2.70

自引率

47.10%

发文量

257

审稿时长

3-8 weeks

期刊介绍： Publishing nearly 500 original articles a year, by leading Scientists from Russia and throughout the world, Russian Chemical Bulletin is a prominent international journal. The coverage of the journal spans practically all areas of fundamental chemical research and is presented in five sections: General and Inorganic Chemistry; Physical Chemistry; Organic Chemistry; Organometallic Chemistry; Chemistry of Natural Compounds and Bioorganic Chemistry.