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Impact Behavior of Fiber Reinforced Glass Matrix Composites

Published online by Cambridge University Press:  22 February 2011

D. F. Hasson  and
S. G. Fishman
D. F. Hasson
Affiliation:
Department of Mechanical Engineering, U.S. Naval Academy, Annapolis, MD 21402
S. G. Fishman
Affiliation:
Office of Naval Research, Arlington, VA 22217
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Abstract

Ceramic matrix composites with continuous fibers in glass matrices were tested with instrumented impact apparatuses. The composite architectures were unidirectional (0°) and crossply (0/90°). For the 0/90° laminates, interlaminar and edge on orientation specimens were tested. An orientation dependence was observed. The CMC material with a weaker fiber/matrix interfacial bond had longer fiber pullout, and hence due to the frictional sliding mechanism higher dynamic work to fracture. In the fracture analysis discussion it is suggested that the use of the LEFM, K, parameter should be qualified in the fracture testing of CMC materials. These qualified toughness K values were found to be in the range of those reported for metal matrix composites.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 120: Symposium G – High-Temperature/High-Performance Composites , 1988 , 285
Copyright
Copyright © Materials Research Society 1988

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