Notch Effects in Carbon Matrix Composites

The tensile properties of various carbon matrix composites, reinforced with C and SiC fibers, have been evaluated. The objective is to assess mechanics procedures for characterizing the influence of holes and notches. Interpretation has been attempted using large‐scale bridging mechanics, with linea...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1994-11, Vol.77 (11), p.2817-2827
Main Authors: Heredia, Fernando E., Spearing, S. Mark, Mackin, Thomas J., He, Ming Y., Evans, Anthony G., Mosher, Paul, Brøndsted, Povl
Format: Article
Language:English
Subjects:
CARBIDES
CARBON
CARBON COMPOUNDS
CARBON FIBERS
COMPOSITE MATERIALS
ELEMENTS
FIBERS
MATERIALS
MATERIALS SCIENCE
MECHANICAL PROPERTIES
NONMETALS
NOTCHES
SHEAR PROPERTIES
SILICON CARBIDES
SILICON COMPOUNDS 360603 > Materials-- Properties
TENSILE PROPERTIES
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Summary:The tensile properties of various carbon matrix composites, reinforced with C and SiC fibers, have been evaluated. The objective is to assess mechanics procedures for characterizing the influence of holes and notches. Interpretation has been attempted using large‐scale bridging mechanics, with linear elastic fracture mechanics as one limit and notch insensitivity as the other. Important differences between the materials, associated primarily with the fiber/matrix interfaces and the in‐plane shear strength, have been identified and attempts made to rationalize these differences.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1994.tb04510.x