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

Record type: Article

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.

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Citation

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).

More information

Published date: 1992

Identifiers

Local EPrints ID: 22775
URI: http://eprints.soton.ac.uk/id/eprint/22775
ISSN: 0002-7820
PURE UUID: b40ac640-eabe-4a1a-858b-fde00306ea9d

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Date deposited: 30 Jan 2007
Last modified: 17 Jul 2017 16:20

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Contributors

Author: Fernando E. Heredia
Author: Anthony G. Evans
Author: Paul Mosher
Author: William A. Curtin

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