Key phase diagram experiments and thermodynamic modeling of the ZnO‒B 2 O 3 , ZnO‒SiO 2 , and ZnO‒B 2 O 3 ‒SiO 2 systems

Thermodynamic modeling of binary ZnO‒B 2 O 3 and ZnO‒SiO 2 systems and ternary ZnO‒B 2 O 3 ‒SiO 2 system were carried out based on the critical evaluation and optimization of all available phase diagram and thermodynamic property data using the CALculation of PHAse Diagram (CALPHAD) method. To resol...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2024-11
Main Authors: Kim, Min‐Kyung, Lee, Jaesung, Jung, In‐Ho
Format: Article
Language:English
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Summary:Thermodynamic modeling of binary ZnO‒B 2 O 3 and ZnO‒SiO 2 systems and ternary ZnO‒B 2 O 3 ‒SiO 2 system were carried out based on the critical evaluation and optimization of all available phase diagram and thermodynamic property data using the CALculation of PHAse Diagram (CALPHAD) method. To resolve the inconsistency among the available phase diagram data in ternary ZnO‒B 2 O 3 ‒SiO 2 system, key phase diagram experiment was carried out using classical quenching method followed by electron probe micro‐analysis and X‐ray diffraction phase determination. The liquid oxide solution was described using the modified quasichemical model accounting for a short‐range ordering behavior in molten oxide solution. Thermodynamic models with optimized model parameters were used to predict the phase diagram and thermodynamic properties of the ternary systems.
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.20252