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

The mechanical properties of continuous-fiber-reinforced carbon matrix composites and relationships to constituent properties
The mechanical properties of continuous-fiber-reinforced carbon matrix composites and relationships to constituent properties
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.
0002-7820
3017-3025
Heredia, Fernando E.
18cb0510-660b-4500-8028-b303ffd36c0f
Spearing, S. Mark
9e56a7b3-e0e8-47b1-a6b4-db676ed3c17a
Evans, Anthony G.
0e10b0ae-fd33-4b1c-a1cb-78579ef8e68b
Mosher, Paul
c05bdf9d-3473-4c55-8bea-e10295a2aa6d
Curtin, William A.
7a5f4943-2cc4-4af1-8ec3-f5116b0cf512
Heredia, Fernando E.
18cb0510-660b-4500-8028-b303ffd36c0f
Spearing, S. Mark
9e56a7b3-e0e8-47b1-a6b4-db676ed3c17a
Evans, Anthony G.
0e10b0ae-fd33-4b1c-a1cb-78579ef8e68b
Mosher, Paul
c05bdf9d-3473-4c55-8bea-e10295a2aa6d
Curtin, William A.
7a5f4943-2cc4-4af1-8ec3-f5116b0cf512

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), 3017-3025. (doi:10.1111/j.1151-2916.1992.tb04381.x).

Record type: Article

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.

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Published date: 1992

Identifiers

Local EPrints ID: 22775
URI: https://eprints.soton.ac.uk/id/eprint/22775
ISSN: 0002-7820
PURE UUID: b40ac640-eabe-4a1a-858b-fde00306ea9d
ORCID for S. Mark Spearing: ORCID iD orcid.org/0000-0002-3059-2014

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Date deposited: 30 Jan 2007
Last modified: 17 May 2019 00:35

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Contributors

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

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