High-Pressure Self-Combustion Sintering of Alumina-Titanium Carbide Ceramic Composite

Al2O3‐TiC ceramic composites were fabricated by highpressure self‐combustion sintering (HPCS). The samples had a unique microstructure which was quite different from that of commercial Al2O3‐TiC materials made by conventional processing. A possible mechanism for combustion reaction is suggested on t...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1990-05, Vol.73 (5), p.1451-1452
Main Authors: Adachi, Seiji, Wada, Takahiro, Mihara, Toshihiro, Miyamoto, Yoshinari, Koizumi, Mitsue
Format: Article
Language:English
Subjects:
360201 - Ceramics, Cermets, & Refractories- Preparation & Fabrication
360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies
360204 - Ceramics, Cermets, & Refractories- Physical Properties
Abrasives and cutting tools
alumina
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
Applied sciences
Building materials. Ceramics. Glasses
CARBIDES
CARBON COMPOUNDS
Ceramic industries
CHALCOGENIDES
Chemical industry and chemicals
CHEMICAL REACTIONS
COMBUSTION
COMPOSITE MATERIALS
CRYSTAL STRUCTURE
Exact sciences and technology
FABRICATION
HIGH PRESSURE
IN-SITU COMBUSTION
IN-SITU PROCESSING
MATERIALS
MATERIALS SCIENCE
MICROSTRUCTURE
OXIDATION
OXIDES
OXYGEN COMPOUNDS
pressure
PROCESSING
SINTERING
Technical ceramics
THERMOCHEMICAL PROCESSES
THERMODYNAMICS
titanium carbide
TITANIUM CARBIDES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
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Summary:Al2O3‐TiC ceramic composites were fabricated by highpressure self‐combustion sintering (HPCS). The samples had a unique microstructure which was quite different from that of commercial Al2O3‐TiC materials made by conventional processing. A possible mechanism for combustion reaction is suggested on the basis of the microstructure of the samples and the thermodynamical data. The HPCS sample had a higher KIC value than commercial Al2O3‐TiC materials.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1990.tb05226.x