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Effects of Reinforcement Surface Morphology on Toughening of Brittle-Matrix Composites

Mumm, Daniel R. and Faber, K. T. (1994) Effects of Reinforcement Surface Morphology on Toughening of Brittle-Matrix Composites. In: High Performance Composites: Commonalty of Phenomena. Minerals, Metals & Materials Society , Warrendale, PA, pp. 181-192. ISBN 0873392477. https://resolver.caltech.edu/CaltechAUTHORS:20140908-181328464

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Abstract

The mechanical properties of brittle-matrix composites critically depend upon the nature of the reinforcement/matrix interface. Recent theoretical and experimental work has shown that the morphology of the reinforcement surface can play a dominant role in determining the toughening behavior in these materials. In this work, the role of reinforcement surface roughness is examined both analytically and experimentally. Measurements of the debonding and frictional sliding of rough fibers in glass matrices, obtained using a modified fiber pullout technique, show a significant dependence on fiber surface roughness. The effects of surface roughness are explored further by measuring systematic changes in the fiber sliding behavior with controlled fiber coatings. The available analytical models of rough fiber sliding are examined to interpret the experimental results.


Item Type:Book Section
ORCID:
AuthorORCID
Faber, K. T.0000-0001-6585-2536
Additional Information:© 1994 ASM International. Support for this work has been provided by the Advanced Research Projects Agency through the Office of Naval Research [grant no. N00014-90-J-4020].
Funders:
Funding AgencyGrant Number
Advanced Research Projects Agency (ARPA)UNSPECIFIED
Office of Naval Research (ONR)N00014-90-J-4020
Record Number:CaltechAUTHORS:20140908-181328464
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140908-181328464
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49432
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:12 Sep 2014 23:32
Last Modified:03 Mar 2020 13:01

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