Ultra high resolution computed tomography of damage in notched carbon fiber-epoxy composites
Ultra high resolution computed tomography of damage in notched carbon fiber-epoxy composites
This article presents the first use of synchrotron radiation computed tomography (SRCT) to achieve sub-micron resolution of damage in aerospace grade carbon fiber–epoxy composites. The structure and interaction of the damage can be visualized in 3-D on a scale not previously observed in practical engineering configurations. The ability to detect and accurately measure features down to individual fiber breaks provides a valuable platform for future research; from the rigorous evaluation of damage models to understanding the fundamental physical mechanisms governing crack growth in composites. In particular the key role of intra-laminar cracks and delaminations in localizing fiber fractures is unambiguously identified for the first time.
synchrotron x-ray tomography, damage characterisation, 3D imaging
1993-2002
Wright, Peter
c68e1152-f238-4f70-aae1-1c58ab25b97b
Fu, X.
be2d27d2-e2fa-4b04-bc42-be20e158304a
Sinclair, I.
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Spearing, S.M.
9e56a7b3-e0e8-47b1-a6b4-db676ed3c17a
September 2008
Wright, Peter
c68e1152-f238-4f70-aae1-1c58ab25b97b
Fu, X.
be2d27d2-e2fa-4b04-bc42-be20e158304a
Sinclair, I.
6005f6c1-f478-434e-a52d-d310c18ade0d
Spearing, S.M.
9e56a7b3-e0e8-47b1-a6b4-db676ed3c17a
Wright, Peter, Fu, X., Sinclair, I. and Spearing, S.M.
(2008)
Ultra high resolution computed tomography of damage in notched carbon fiber-epoxy composites.
Journal of Composite Materials, 42 (19), .
(doi:10.1177/0021998308092211).
Abstract
This article presents the first use of synchrotron radiation computed tomography (SRCT) to achieve sub-micron resolution of damage in aerospace grade carbon fiber–epoxy composites. The structure and interaction of the damage can be visualized in 3-D on a scale not previously observed in practical engineering configurations. The ability to detect and accurately measure features down to individual fiber breaks provides a valuable platform for future research; from the rigorous evaluation of damage models to understanding the fundamental physical mechanisms governing crack growth in composites. In particular the key role of intra-laminar cracks and delaminations in localizing fiber fractures is unambiguously identified for the first time.
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Published date: September 2008
Keywords:
synchrotron x-ray tomography, damage characterisation, 3D imaging
Organisations:
Engineering Mats & Surface Engineerg Gp
Identifiers
Local EPrints ID: 66115
URI: http://eprints.soton.ac.uk/id/eprint/66115
ISSN: 0021-9983
PURE UUID: 739e0f06-f10e-4cb3-9c2a-9da7ea9ec77a
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Date deposited: 23 Sep 2009
Last modified: 14 Mar 2024 02:49
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Author:
Peter Wright
Author:
X. Fu
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