Oxidation-resistant interfacial coatings for continuous fiber ceramic composites
Conference
·
OSTI ID:416476
- Oak Ridge National Lab., TN (United States)
- Univ. of Tennessee, Knoxville, TN (United States)
Continuous fiber ceramic composites mechanical behavior are influenced by the bonding characteristics between the fiber and the matrix. Finite modeling studies suggest that a low-modulus interfacial coating material will be effective in reducing the residual thermal stresses that are generated upon cooling from processing temperatures. Nicalon{trademark}/SiC composites with carbon, alumina and mullite interfacial coatings were fabricated with the SiC matrix deposited using a forced-flow, thermal gradient chemical vapor infiltration process. Composites with mullite interfacial coatings exhibited considerable fiber pull-out even after oxidation and have potential as a composite system.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- OSTI ID:
- 416476
- Report Number(s):
- ORNL/FMP--95/1; CONF-9505204--; ON: DE96001412
- Country of Publication:
- United States
- Language:
- English
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