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Initial evaluation of continuous fiber reinforced NiAl compositesNiAl is being evaluated as a potential matrix material as part of an overall program to develop and understand high-temperature structural composites. Currently, continuous fiber composites have been fabricated by the powder cloth technique incorporating either W(218) or single crystal Al2O3 fibers as reinforcements in both binary NiAl and a solute strengthened NiAl(.05 at. pct Zr) matrix. Initial evaluation of these composite systems have included: fiber push-out testing to measure matrix/fiber bond strengths, bend testing to determine strength as a function of temperature and composite structure, and thermal cycling to establish the effect of matrix and fiber properties on composite life. The effect of matrix/fiber bond strength and matrix strength on several composite properties will be discussed.
Document ID
19920064243
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Noebe, R. D.
(NASA Lewis Research Center Cleveland, OH, United States)
Bowman, R. R.
(NASA Lewis Research Center Cleveland, OH, United States)
Eldridge, J. I.
(Sverdrup Technology, Inc.; NASA, Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1990
Subject Category
Composite Materials
Meeting Information
Meeting: MRS Symposium on Intermatallic Matrix Composites
Location: San Francisco, CA
Country: United States
Start Date: April 18, 1990
End Date: April 20, 1990
Accession Number
92A46867
Distribution Limits
Public
Copyright
Other

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