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Factors which influence tensile strength of a SiC/Ti-24Al-11Nb (at. pct) compositeTensile and fiber pullout tests were used in conjunction with SEM to investigate structural and processing effects on SiC fiber, a neat Ti-24Al-11Nb matrix alloy, and a composite fabricated from the two. The effects of oxygen content, fiber spacing, fiber volume fraction, fiber-matrix reaction thickness, Teflon content, and matrix powder size, appear to be smaller than the effects of variability in fiber strength. Fiber spacing did not influence radial crack formation, interfacial bond shear strength, or stress-strain behavior in the composite. The temperature dependence of composite properties was investigated over the 23-815 C range.
Document ID
Document Type
Conference Paper
Brindley, P. K.
(NASA Lewis Research Center Cleveland, OH, United States)
Draper, S. L.
(NASA Lewis Research Center Cleveland, OH, United States)
Nathal, M. V.
(NASA Lewis Research Center Cleveland, OH, United States)
Eldridge, J. I.
(Sverdrup Technology, Inc. Middleburg Heights, OH, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Subject Category
Composite Materials
Meeting Information
TMS Fall Meeting(Indianapolis, IN)
Accession Number
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