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 American Ceramic Society, 75, (11), 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
ISSNs: 0002-7820 (print)
Related URLs:
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 22775
Date Deposited: 30 Jan 2007
Last Modified: 27 Mar 2014 18:12
URI: http://eprints.soton.ac.uk/id/eprint/22775

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