Phase diagram of the Al2O3-ZrO2-Er2O3 system

The phase diagram of the Al2O3-ZrO2-Er2O3 system was constructed in the temperature range 1200-2800 C. Phase transformations in the system were completed in eutectic reactions. No ternary compounds or regions of substantial solid solution were found in the components or binaries in this system. Four...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 2008-08, Vol.28 (12), p.2389-2397
Main Authors: LAKIZA, S. M, LOPATO, L. M
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Phase diagrams of other materials
Physics
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Summary:The phase diagram of the Al2O3-ZrO2-Er2O3 system was constructed in the temperature range 1200-2800 C. Phase transformations in the system were completed in eutectic reactions. No ternary compounds or regions of substantial solid solution were found in the components or binaries in this system. Four ternary and three binary eutectics were found. The minimum melting temperature was 1720 C and it corresponded to the ternary eutectic Al2O3 + F-ZrO2 + Er3Al5O12. The solidus surface projection, the schematic of the alloy crystallisation path and the vertical sections presented the complete phase diagram of the Al2O3-ZrO2-Er2O3 system. 22 refs.
ISSN:0955-2219
1873-619X
DOI:10.1016/j.jeurceramsoc.2008.01.012