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Sensors 2015, 15(5), 10852-10871;

A Micro-Computed Tomography Technique to Study the Quality of Fibre Optics Embedded in Composite Materials

Department of Material Science and Engineering, Ghent University, Technologiepark 903, 9052 Gent-Zwijnaarde, Belgium
UGCT—Department of Physics and Astronomy, Ghent University, Proeftuinstraat 86, 9000 Ghent, Belgium
Brussels Photonics Team (B-PHOT), Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussel, Belgium
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M.N. Passaro
Received: 11 February 2015 / Revised: 15 April 2015 / Accepted: 30 April 2015 / Published: 7 May 2015
(This article belongs to the Special Issue Optical Fiber Sensors 2012)
Full-Text   |   PDF [3123 KB, uploaded 7 May 2015]   |  


Quality of embedment of optical fibre sensors in carbon fibre-reinforced polymers plays an important role in the resultant properties of the composite, as well as for the correct monitoring of the structure. Therefore, availability of a tool able to check the optical fibre sensor-composite interaction becomes essential. High-resolution 3D X-ray Micro-Computed Tomography, or Micro-CT, is a relatively new non-destructive inspection technique which enables investigations of the internal structure of a sample without actually compromising its integrity. In this work the feasibility of inspecting the position, the orientation and, more generally, the quality of the embedment of an optical fibre sensor in a carbon fibre reinforced laminate at unit cell level have been proven. View Full-Text
Keywords: carbon fibre; defects; radiography; autoclave; prepreg carbon fibre; defects; radiography; autoclave; prepreg

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Chiesura, G.; Luyckx, G.; Voet, E.; Lammens, N.; Van Paepegem, W.; Degrieck, J.; Dierick, M.; Van Hoorebeke, L.; Vanderniepen, P.; Sulejmani, S.; Sonnenfeld, C.; Geernaert, T.; Berghmans, F. A Micro-Computed Tomography Technique to Study the Quality of Fibre Optics Embedded in Composite Materials. Sensors 2015, 15, 10852-10871.

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