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Interfacial Shear Stresses in SiC and Al_2O_3 Fiber-Reinforced Glasses

Goettler, R. W. and Faber, K. T. (1988) Interfacial Shear Stresses in SiC and Al_2O_3 Fiber-Reinforced Glasses. In: Proceedings of the 12th Annual Conference on Composites and Advanced Ceramic Materials. Ceramic Engineering and Science Proceedings. Vol.1. No.9, 7/8. American Ceramic Society , Westerville, OH, pp. 861-870. ISBN 9780470374801. http://resolver.caltech.edu/CaltechAUTHORS:20140916-201611322

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Abstract

Single fiber pullout tests were performed on silicon carbide and sapphire filaments embedded in glass matrices to determine the interfacial shear strengths both as a function of residual stress and as a function of fiber coating. The effect of residual stress on the interfacial shear stress was studied by altering the glass matrix composition, and hence, the thermal mismatch between fiber and matrix. The interfacial shear strength exhibits a maximum with increasing thermal mismatch after which it drops precipitously and levels off. The presence of a carbon coating on sapphire is sufficient to reduce the interfacial shear stress to measurable levels, while excess carbon at the SiC/glass interface increases the interfacial shear stress. In the silicon carbide-reinforced systems, the interfacial shear strengths are also shown to be stressing-rate dependent.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1002/9780470310496.ch37DOIArticle
http://onlinelibrary.wiley.com/doi/10.1002/9780470310496.ch37/summaryPublisherArticle
Alternate Title:Interfacial Shear Stresses in SiC and Al2O3 Fiber-Reinforced Glasses
Additional Information:Copyright © 1988 The American Ceramic Society, Inc. The work was supported by the General Electric Company, Aircraft Engine Business Group and by the National Science Foundation under Grant No. DMR-8351476.
Funders:
Funding AgencyGrant Number
General ElectricUNSPECIFIED
NSFDMR-8351476
Subject Keywords:mechanism; catastrophic; zirconium titanate; hydrolyze; deflection
Record Number:CaltechAUTHORS:20140916-201611322
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140916-201611322
Official Citation:Goettler, R. W. and Faber, K. T. (1988) Interfacial Shear Stresses in Sic and Al2O3 Fiber-Reinforced Glasses, in Proceedings of the 12th Annual Conference on Composites and Advanced Ceramic Materials, Part 1 of 2: Ceramic Engineering and Science Proceedings, Volume 9, Issue 7/8 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470310496.ch37
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49756
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:17 Sep 2014 23:10
Last Modified:17 Sep 2014 23:10

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