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Experimental Investigation of Interface Properties in SiC Fiberreinforced Reaction-Bonded Silicon Nitride Matrix Composites

Published online by Cambridge University Press:  15 February 2011

J.I. Eldridge  and
R.T. Bhatt
J.I. Eldridge
Affiliation:
NASA Lewis Research Center, Cleveland, OH 44135
R.T. Bhatt
Affiliation:
NASA Lewis Research Center, Cleveland, OH 44135
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Abstract

Interfacial properties of 1-D SiC/RBSN composites were measured by the matrix crack spacing method and by the fiber push-out method, and the results were compared. The composites consisted of 8 to 33 vol% of aligned SCS-6 SiC fibers (142 μm diameter) in a relatively porous (20 to 40 vol%) Si3N4 matrix. The effects of fiber volume fraction and test temperature on the interfacial properties have been investigated. The advantages and limitations of both methods in evaluating the interface properties of fiber-reinforced ceramic matrix composites and the factors influencing the interfacial measurements are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 365: Symposium M – Ceramic Matrix Composites–Advanced High-Temperature Structural Materials , 1994 , 353
Copyright
Copyright © Materials Research Society 1995

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