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Impact behavior of a SiC fiber-reinforced reaction bonded Si3N4 compositeImpact tests were performed on a series of ceramic plate specimens. Monolithic (unreinforced) and composite specimens with various fiber layups were tested to determine the effect that the fiber reinforcement has on impact damage initiation and dynamic response of the ceramic materials. Results show that a porous surface layer of Si3N4 on the composite specimens can enhance the energy absorbing capability of the composite specimens. The addition of SiC fiber reinforcement to the RBSN matrix material is also shown to significantly change the mode of failure and reduce the extent of damage due to impact.
Document ID
19910032182
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Grady, J.
(NASA Lewis Research Center Cleveland, OH, United States)
Bhatt, R.
(NASA Lewis Research Center Cleveland, OH, United States)
Klima, S.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1989
Subject Category
Composite Materials
Accession Number
91A16805
Distribution Limits
Public
Copyright
Other

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