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Authors: G. Pereira ; L. Mikkelsen and M. McGugan

Affiliation: Technical University of Denmark, Denmark

Keyword(s): Fibre Bragg Grating Sensors, Crack Growth Monitoring, Fibre Reinforced Plastic Crack Monitoring, Digital Image Correlation.

Abstract: This article presents a novel method to asses a crack growing/damage event in fibre reinforced plastic, or adhesive using Fibre Bragg Grating (FBG) sensors embedded in a host material. Different features of the crack mechanism that induce a change in the FBG response were identified. Double Cantilever Beams specimens made with glass fibre glued with structural adhesive, were instrumented with an array of FBG sensors embedded in the material and tested using an experimental fracture procedure. A digital image correlation technique was used to determine the presence of the specific phenomena caused by the crack, and to correlate with the FBG sensor. A Material-Sensor model was developed in order to predict the sensor output response under a crack/delamination situation, which can be used as an analysis tool for future application of this measurement technology in more complex structures.

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Paper citation in several formats:
Pereira, G.; Mikkelsen, L. and McGugan, M. (2015). Crack Growth Monitoring by Embedded Optical Fibre Bragg Grating Sensors - Fibre Reinforced Plastic Crack Growing Detection. In Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS 2015) - Volume 1: OSENS; ISBN 978-989-758-092-5; ISSN 2184-4364, SciTePress, pages 133-139. DOI: 10.5220/0005325901330139

@conference{osens15,
author={G. Pereira. and L. Mikkelsen. and M. McGugan.},
title={Crack Growth Monitoring by Embedded Optical Fibre Bragg Grating Sensors - Fibre Reinforced Plastic Crack Growing Detection},
booktitle={Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS 2015) - Volume 1: OSENS},
year={2015},
pages={133-139},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005325901330139},
isbn={978-989-758-092-5},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS 2015) - Volume 1: OSENS
TI - Crack Growth Monitoring by Embedded Optical Fibre Bragg Grating Sensors - Fibre Reinforced Plastic Crack Growing Detection
SN - 978-989-758-092-5
IS - 2184-4364
AU - Pereira, G.
AU - Mikkelsen, L.
AU - McGugan, M.
PY - 2015
SP - 133
EP - 139
DO - 10.5220/0005325901330139
PB - SciTePress

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