Oxidation-resistant interface coatings for Nicalon/SiC composites
Conference
·
OSTI ID:330665
- Oak Ridge National Lab., TN (United States)
- Univ. of Tennessee, Knoxville, TN (United States)
Nicalon/SiC composites with thin C and C/oxide/C interfaces were fabricated. The oxide layers, mullite and Al{sub 2}O{sub 3}-TiO{sub 2}, were deposited by a sol-gel process, while the C layer was deposited by a chemical vapor infiltration method. The fabricated composites were flexure tested in both as-processed and oxidized conditions. Composites with C and C/oxide/C interfaces retained graceful failure even after 500 h oxidation at 1000 C, but with reduced flexural strengths.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- OSTI ID:
- 330665
- Report Number(s):
- CONF-9705115--PROC.; ORNL/FMP--97/1; ON: DE98007329
- Country of Publication:
- United States
- Language:
- English
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