Critical evaluation and thermodynamic optimization of the CaO-ZrO2 and SiO2-ZrO2 systems

Sun Yong Kwon; In Ho Jung

doi:10.1016/j.jeurceramsoc.2016.10.008

Critical evaluation and thermodynamic optimization of the CaO-ZrO₂ and SiO₂-ZrO₂ systems

Sun Yong Kwon
, In Ho Jung

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

Thermodynamic optimizations of unary ZrO₂, binary CaO-ZrO₂ and SiO₂-ZrO₂ systems were carried out based on the critical evaluation of all available thermodynamic properties and phase diagram data in literature. Liquid phase was described by using the Modified Quasichemical Model considering the short range ordering, and solid solutions were described considering their defect structures. The discrepancies among experimental phase diagram data and possible errors in the existing thermodynamic data were identified and the most reliable thermodynamic descriptions of the systems were obtained.

Original language	English
Pages (from-to)	1105-1116
Number of pages	12
Journal	Journal of the European Ceramic Society
Volume	37
Issue number	3
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2016.10.008
State	Published - Mar 1 2017
Externally published	Yes

Funding

Financial supports from Tata Steel Europe , Posco , Hyundai Steel , Nucor Steel , RioTinto Iron and Titanium , Nippon Steel and Sumitomo Metals Corp. , JFE Steel , Voestalpine, RHI , and the Natural Sciences and Engineering Research Council of Canada are gratefully acknowledged.

Keywords

CaO-ZrO
Gibbs energy
Phase diagram
SiO-ZrO
Thermodynamic modeling

Access to Document

10.1016/j.jeurceramsoc.2016.10.008

Cite this

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abstract = "Thermodynamic optimizations of unary ZrO2, binary CaO-ZrO2 and SiO2-ZrO2 systems were carried out based on the critical evaluation of all available thermodynamic properties and phase diagram data in literature. Liquid phase was described by using the Modified Quasichemical Model considering the short range ordering, and solid solutions were described considering their defect structures. The discrepancies among experimental phase diagram data and possible errors in the existing thermodynamic data were identified and the most reliable thermodynamic descriptions of the systems were obtained.",

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AU - Jung, In Ho

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AB - Thermodynamic optimizations of unary ZrO2, binary CaO-ZrO2 and SiO2-ZrO2 systems were carried out based on the critical evaluation of all available thermodynamic properties and phase diagram data in literature. Liquid phase was described by using the Modified Quasichemical Model considering the short range ordering, and solid solutions were described considering their defect structures. The discrepancies among experimental phase diagram data and possible errors in the existing thermodynamic data were identified and the most reliable thermodynamic descriptions of the systems were obtained.

KW - CaO-ZrO

KW - Gibbs energy

KW - Phase diagram

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KW - Thermodynamic modeling

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