Methodology for the determination of the interfacial properties of brittle matrix composites

The interfacial properties of a glass-ceramic matrix composite (SiC/CAS) were determined from single-fibre push-out tests using the interfacial test system. The coefficient of friction mu , the residual clamping stress sigma sub c and the fibre axial residual stress sigma sub z were extracted by fit...

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Bibliographic Details
Published in:Journal of materials science 1994-12, Vol.29 (23), p.6152-6158
Main Authors: LARA-CURZIO, E, FERBER, M. K
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Chemical industry and chemicals
Exact sciences and technology
Glass-ceramics
Glasses
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Summary:The interfacial properties of a glass-ceramic matrix composite (SiC/CAS) were determined from single-fibre push-out tests using the interfacial test system. The coefficient of friction mu , the residual clamping stress sigma sub c and the fibre axial residual stress sigma sub z were extracted by fitting the experimental stress vs. fibre-end displacement curves using the models of Hsueh, and Kerans and Parthasarathy. Using Hsueh's model (Mater. Sci. Eng., 1992, A154, 125), the intrinsic interfacial frictional stress ( tau = mu sigma sub c ) was found to be 11.1plus/minus3.2 MPa, whereas by using Kerans-Parthasarathy's model (J. Am. Ceram. Soc., 1991, 74, 1585), it was found to be 8.2plus/minus1.5. Comparisons between these models are included, together with a discussion of data analysis techniques.
ISSN:0022-2461
1573-4803
DOI:10.1007/BF00354555