Ultra high resolution computed tomography of damage in notched carbon fiber-epoxy composites


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), 1993-2002. (doi:10.1177/0021998308092211).

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Original Publication URL: http://dx.doi.org/10.1177/0021998308092211

Description/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.

Item Type: Article
ISSNs: 0021-9983 (print)
Related URLs:
Keywords: synchrotron x-ray tomography, damage characterisation, 3D imaging
Subjects: T Technology > T Technology (General)
Q Science > Q Science (General)
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
ePrint ID: 66115
Date Deposited: 23 Sep 2009
Last Modified: 28 Mar 2014 15:21
Research Funder: EPSRC
Projects:
In Situ Calibration of Cohesive Zone Models for Composite Damage
Funded by: EPSRC (EP/E003427/1)
Led by: Simon Mark Spearing
13 November 2006 to 12 August 2010
Contact Email Address: pete@soton.ac.uk
URI: http://eprints.soton.ac.uk/id/eprint/66115

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