The mechanical properties of continuous-fiber-reinforced carbon matrix composites and relationships to constituent properties


Heredia, Fernando E., Spearing, S. Mark, Evans, Anthony G., Mosher, Paul and Curtin, William A. (1992) The mechanical properties of continuous-fiber-reinforced carbon matrix composites and relationships to constituent properties Journal of the American Ceramic Society, 75, (11), pp. 3017-3025. (doi:10.1111/j.1151-2916.1992.tb04381.x).

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Description/Abstract

The tensile properties of three carbon matrix composites reinforced with SiC (Nicalon) fibers (materials A, B, C) have been measured with and without notches. One of the three materials (material B) had a relatively low strength and exhibited notch brittleness. This material had both a high interface sliding stress and a low fiber bundle strength, caused by particulates in the matrix. These characteristics have been shown to result in a change in failure mechanism that leads to the inferior properties exhibited by material B. The notch properties of the higher-toughness materials were shown to involve splitting, which alleviates the notch stress concentration and diminishes the notch sensitivity.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1111/j.1151-2916.1992.tb04381.x
ISSNs: 0002-7820 (print)
Subjects:
ePrint ID: 22775
Date :
Date Event
1992Published
Date Deposited: 30 Jan 2007
Last Modified: 16 Apr 2017 22:49
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/22775

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