Concept for a Damage-Tolerant Ceramic Composite with 'Strong' Interfaces

Autor: Wen-Chiang Tu, Anthony G. Evans, Fred F. Lange
Rok vydání: 1996
Předmět:
Zdroj: Journal of the American Ceramic Society. 79:417-424
ISSN: 1551-2916
0002-7820
DOI: 10.1111/j.1151-2916.1996.tb08138.x
Popis: A ceramic-matrix composite (CMC) that exhibits damage-tolerant behavior without weak interactions has been demonstrated. The concept relies on the heterogeneous distribution of fiber bundles within a porous matrix having homogeneous, fine porosity. It also depends on the development of residual stress from thermal expansion mismatch. The present demonstration uses Al{sub 2}O{sub 3} fibers with either a silicon nitride or a mullite matrix. The latter is inherently oxidation resistant.
Databáze: OpenAIRE