Stability of rare earth oxides in a moist environment at high temperatures—Experimental and thermodynamic studies. Part I: The way to assess thermodynamic parameters from volatilisation rates

Emilie Courcot; Francis Rebillat; Francis Teyssandier

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Stability of rare earth oxides in a moist environment at high temperatures—Experimental and thermodynamic studies. Part I: The way to assess thermodynamic parameters from volatilisation rates

机译：高温潮湿环境中稀土氧化物的稳定性-实验和热力学研究。第一部分：从挥发率评估热力学参数的方法

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A methodology based on a weight loss measurement was used to quantify the volatility of yttria in high temperature water vapor. This method was first assessed on silica. Sintered materials with a shape of pellets were exposed at temperatures between 1000 and 1400 °C in air with 50 kPa of water at atmospheric pressure, under a flowing gas velocity of 5 cm s~(-1). Besides the volatilisation rate, the nature of the volatile gaseous species was determined using a kinetic study. Knowing the nature of flows in the furnace, partial pressures of yttrium (oxy-)hydroxide in equilibrium over Y_2O_3 were calculated, and used to assess the enthalpies of formation of YO(OH) and Y(OH)_3.

机译：使用基于失重测量的方法来量化氧化钇在高温水蒸气中的挥发性。首先在二氧化硅上评估该方法。在大气压下，在流动气体速度为5 cm s〜（-1）的条件下，在空气中以50 kPa的水在1000至1400°C的温度下暴露出呈丸状的烧结材料。除挥发速率外，还使用动力学研究确定了挥发性气态物质的性质。了解了熔炉中流动的性质，计算了Y_2O_3上处于平衡状态的氢氧化钇的分压，并将其用于评估YO（OH）和Y（OH）_3的生成焓。

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《Journal of the European Ceramic Society》 |2010年第9期|共7页
作者
Emilie Courcot; Francis Rebillat; Francis Teyssandier;
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正文语种 eng
中图分类陶瓷工业;
关键词
Corrosion; SiO_2; Y_2O_3; Refractories; Thermodynamics;

机译：腐蚀;SiO_2;Y_2O_3;耐火材料;热力学;

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1. Stability of rare earth oxides in a moist environment at high temperatures—Experimental and thermodynamic studies. Part I: The way to assess thermodynamic parameters from volatilisation rates [J] . Emilie Courcot, Francis Rebillat, Francis Teyssandier Journal of the European Ceramic Society . 2010,第9期

机译：高温潮湿环境中稀土氧化物的稳定性-实验和热力学研究。第一部分：从挥发率评估热力学参数的方法
2. THERMODYNAMICS OF METAL SYSTEMS TEMPERATURE-COMPOSITION DEPENDENCE OF THERMODYNAMIC MIXING FUNCTIONS OF LIQUID ALLOYS OF COPPER WITH RARE-EARTH METALS [J] . M. A. Turchanin Powder Metallurgy and Metal Ceramics . 2011,第7a8期

机译：稀土铜与铜液态合金热力学混合函数的金属体系温度组成相关性
3. Thermodynamic Parameters of Ion Association in Aqueous Solutions of Chlorides, Nitrates, and Selenates of Some Rare-Earth Elements, Y, Sc, In, and Cu [J] . S. S. Utarbaev, Yu. L. Suponitskii, S. N. Solovev Russian Journal of Inorganic Chemistry . 2001,第12期

机译：某些稀土元素Y，Sc，In和Cu的氯化物，硝酸盐和硒酸盐水溶液中离子缔合的热力学参数
4. THERMOCHEMICAL STABILITY OF RARE EARTH SILICATES IN A MOIST ENVIRONMENT: THERMODYNAMIC AND EXPERIMENTAL APPROACHES [C] . E. Courcot, F. Rebillat European corrosion congress;EUROCORR 2009 . 2009

机译：湿润环境中稀土硅酸盐的热化学稳定性：热力学和实验方法
5. HIGH TEMPERATURE THERMODYNAMIC PROPERTIES OF SOME OF THE RARE-EARTHS. [D] . BERG, JOHN RICHARD. 1961

机译：某些稀土的高温热力学性质。
6. Thermodynamics and Stability of Rhabdophanes Hydrated Rare Earth Phosphates REPO4 · n H2O [O] . Anna Shelyug, Adel Mesbah, Stéphanie Szenknect, 2018

机译：大黄烷水合稀土磷酸盐REPO4·n H2O的热力学和稳定性
7. Thermodynamic Properties of Rare Earth Complexes. I. Stability Constants for the Rare Earth Diglycolate Complexes. [O] . Ingmar Grenthe, Inga Tobiasson, Olof Theander, 1963

机译：稀土配合物的热力学性质。 I.稀土二晶配合物的稳定常数。
8. Thermochemistry and High Temperature Thermodynamic Properties of Rare Earth-Alkaline Earth-Copper Oxide Superconductors [R] . Morss, L. R. , Sonnenberger, D. C. , Thorn, R. J. 1987

机译：稀土 - 碱土 - 氧化铜超导体的热化学和高温热力学性质

Stability of rare earth oxides in a moist environment at high temperatures—Experimental and thermodynamic studies. Part I: The way to assess thermodynamic parameters from volatilisation rates

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