Effect of MgO addition on the microstructure development of 3 mol% Y/sub 2/O/sub 3/ - ZrO/sub 2/
Journal Article
·
· J. Am. Ceram. Soc.; (United States)
OSTI ID:5918177
MgO addition to Y/sub 2/O/sub 3/-ZrO/sub 2/ resulted in enhanced densification at 1350/sup 0/C by a liquid-phase sintering mechanism. This liquid phase resulted from reaction of MgO with trace impurities of CaO and SiO/sub 2/ in the starting powder. The bimodal grain structure thus obtained was characterized by large cubic ZrO/sub 2/ grains with tetragonal ZrO/sub 2/ precipitates, which were surrounded by either small tetragonal grains or monoclinic grains, depending on the heat-treatment schedule.
- Research Organization:
- HSY-3, Daiichi, Tokyo (JP); Materials Research Labs., Industrial Technology Research Institute, Chutung 31015 (TW)
- OSTI ID:
- 5918177
- Journal Information:
- J. Am. Ceram. Soc.; (United States), Journal Name: J. Am. Ceram. Soc.; (United States) Vol. 72:2; ISSN JACTA
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Thesis/Dissertation
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Sat Dec 31 23:00:00 EST 1988
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OSTI ID:6110083
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Fri Jan 31 23:00:00 EST 1992
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OSTI ID:468705
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Journal Article
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· Ogneupory (U.S.S.R.) For English translation see Refractories (USSR) (Engl. Transl.)
·
OSTI ID:4828451
Related Subjects
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
FABRICATION
HEAT TREATMENTS
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PHASE STUDIES
SILICON COMPOUNDS
SILICON OXIDES
SINTERING
TETRAGONAL LATTICES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
FABRICATION
HEAT TREATMENTS
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PHASE STUDIES
SILICON COMPOUNDS
SILICON OXIDES
SINTERING
TETRAGONAL LATTICES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES