Issues in the control of fiber/matrix interfaces in ceramic composites

It is argued that virtually all ceramic-matrix composite parts will be at least locally microcracked in service, such that engineered, oxidation-resistant interfaces are a pervasive requirement. In addition, there is a host of complex parameters which affect interfacial properties. This work present...

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Bibliographic Details
Published in:Composites science and technology 1994, Vol.51 (2), p.291-296
Main Authors: Kerans, R.J., Jero, P.D., Parthasarathy, T.A.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
debonding
Exact sciences and technology
General studies
interface roughness
modelling
push-out
Technical ceramics
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Summary:It is argued that virtually all ceramic-matrix composite parts will be at least locally microcracked in service, such that engineered, oxidation-resistant interfaces are a pervasive requirement. In addition, there is a host of complex parameters which affect interfacial properties. This work presents theoretical and experimental work examining the role of interface topography. Fiber push-out tests and an analysis of the test which includes an interface roughness contribution are described. Techniques for characterizing fiber/interface topography are described and results presented. Finally, interface degradation associated with fiber sliding is described.
ISSN:0266-3538
1879-1050
DOI:10.1016/0266-3538(94)90198-8