期刊
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY
卷 33, 期 3, 页码 624-627出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.calphad.2009.06.005
关键词
TiO2-Y2O3 phase diagram; Thermodynamic calculation; X-ray diffraction
类别
资金
- Natural Science Foundation of China [50634060]
- Creative research group of National Natural Science Foundation of China [50721003]
A thermodynamic description for the TiO2-Y2O3 system is performed by considering reliable literature data and newly measured phase equilibria. Using X-ray diffraction, the phase composition range and the decomposition temperature of fluorite are detected. The present description of the TiO2-Y2O3 system yields a set of critical thermodynamic parameters as well as the complete TiO2-Y2O3 phase diagram. Comparison between the calculated and measured phase equilibria in the TiO2-Y2O3 system shows that the experimental information is satisfactorily accounted for and some new equilibria at higher temperature are predicted by the present calculation. (C) 2009 Elsevier Ltd. All rights reserved.
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