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Sensors 2019, 19(7), 1745; https://doi.org/10.3390/s19071745

Self-Sensing Polymer Composite: White-Light-Illuminated Reinforcing Fibreglass Bundle for Deformation Monitoring

1
Department of Polymer Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Muegyetem rkp. 3, H-1111 Budapest, Hungary
2
Department of Atomic Physics, Faculty of Natural Sciences, Budapest University of Technology and Economics, Budafoki ut. 8, H-1111 Budapest, Hungary
3
MTA–BME Research Group for Composite Science and Technology, Muegyetem rkp. 3, H-1111 Budapest, Hungary
*
Author to whom correspondence should be addressed.
Received: 20 March 2019 / Revised: 3 April 2019 / Accepted: 9 April 2019 / Published: 11 April 2019
(This article belongs to the Special Issue Polymeric Sensors)
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PDF [3684 KB, uploaded 11 April 2019]
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Abstract

The goal of our research was to develop a continuous glass fibre-reinforced epoxy matrix self-sensing composite. A fibre bundle arbitrarily chosen from the reinforcing glass fabric in the composite was prepared to guide white light. The power of the light transmitted by the fibres changes as a result of tensile loading. In our research, we show that a selected fibre bundle even without any special preparation can be used as a sensor to detect deformation even before the composite structure is damaged (before fibre breaking). View Full-Text
Keywords: reinforcing glass fibre; light transmission; deformation monitoring; multifunctional composite; self-sensing polymer composite reinforcing glass fibre; light transmission; deformation monitoring; multifunctional composite; self-sensing polymer composite
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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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Hegedus, G.; Sarkadi, T.; Czigany, T. Self-Sensing Polymer Composite: White-Light-Illuminated Reinforcing Fibreglass Bundle for Deformation Monitoring. Sensors 2019, 19, 1745.

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