Intergranular glassy phase free SiC ceramics retains strength at 1500 degrees C
- Authors
- Choi, HJ; Kim, YW; Mitomo, M; Nishimura, T; Lee, JH; Kim, DY
- Issue Date
- 2004-05
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Citation
- SCRIPTA MATERIALIA, v.50, no.9, pp.1203 - 1207
- Abstract
- We report SiC ceramics sintered with AlN and Sc2O3 (or Lu2O3) that retain room temperature strength to 1500 degreesC. The intergranular glassy phase has not been observed in the ceramics due to a designed-sintering additive and, thus, the unsatisfactory effect of glassy phases on the high temperature strength is eliminated. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
- Keywords
- HIGH-TEMPERATURE STRENGTH; SILICON-NITRIDE CERAMICS; ALUMINUM NITRIDE; FILMS; BEHAVIOR; CARBIDE; DEFORMATION; THICKNESS; OXIDE; HIGH-TEMPERATURE STRENGTH; SILICON-NITRIDE CERAMICS; ALUMINUM NITRIDE; FILMS; BEHAVIOR; CARBIDE; DEFORMATION; THICKNESS; OXIDE; sintering; grain boundary structure; high-resolution electron microscopy; modeling; silicon carbide
- ISSN
- 1359-6462
- URI
- https://pubs.kist.re.kr/handle/201004/137650
- DOI
- 10.1016/j.scriptamat.2004.02.008
- Appears in Collections:
- KIST Article > 2004
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