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High-temperature tensile properties of fiber reinforced reaction bonded silicon nitrideMeasurements of tensile properties of unidirectional silicon carbide fiber-reinforced reaction-bonded silicon nitride (SiC/RBSN) composite specimens were carried out in air at 25, 1300, and 1500 C, using a new testing technique and a specially designed gripping system that minimizes bending moment and assures that failure always occurred in the gage section. The material was found to display metallike stress-strain behavior at all temperatures tested, and a noncatastrophic failure beyond the matrix fracture. The tensile properties were found to be temperature dependent, with the values of the ultimate tensile strength decreasing with temperature, from 543 MPa at 25 C to 169 at 1500 C.
Document ID
19900065728
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Jablonski, David A.
(Instron Corp. Canton, MA, United States)
Bhatt, Ramakrishna T.
(NASA Lewis Research Center; U.S. Army, Propulsion Directorate, Cleveland OH, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Publication Information
Publication: Journal of Composites Technology and Research
Volume: 12
ISSN: 0885-6804
Subject Category
Composite Materials
Accession Number
90A52783
Distribution Limits
Public
Copyright
Other

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