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Fiber Creep Evaluation by Stress Relaxation MeasurementsA simple bend stress relaxation (BSR) test has been used to measure the creep related properties of a chemically vapor-deposited SiC fiber. Time, temperature, and strain dependent BSR data were analyzed to ascertain the ability of the stress relaxation results to predict tensile creep as a function of the same parameters. The predictions compared very well to actual creep data obtained by axial measurements, indicating that the BSR test could be used for determining both creep and stress relaxation of polycrystalline ceramic fibers under tensile loading.
Document ID
19910072282
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Morscher, Gregory N.
(NASA Lewis Research Center Cleveland, OH, United States)
Dicarlo, James A.
(NASA Lewis Research Center Cleveland, OH, United States)
Wagner, Timothy
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 14, 2013
Publication Date
August 1, 1991
Publication Information
Publication: Ceramic Engineering and Science Proceedings
Volume: 12
ISSN: 0196-6219
Subject Category
Nonmetallic Materials
Report/Patent Number
E-6791
Accession Number
91A56905
Distribution Limits
Public
Copyright
Other

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