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Proceedings Paper

Evaluating distributed fibre optic sensors integrated into thermoplastic composites for structural health monitoring
Author(s): Constanze Schilder; Marcus Schukar; Milan Steffen; Katerina Krebber
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Paper Abstract

Strain sensors used for structural health monitoring (SHM) must provide reliable measurement data during their entire service lifetime. To achieve this for fibre optic sensors integrated into composites, the integration of the sensor has to be adapted according to the process conditions. This paper describes the fabrication of thermoplastic composite samples with integrated distributed fibre optic sensors (DFOS) based on copper-nickel and polyimide coated silica optical fibres. The performance of these DFOS as SHM sensors is evaluated in terms of reliability by measurements derived from comparative measurements with resistance strain gauges and from fatigue tests with 10 million load cycles.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91575Q (2 June 2014); doi: 10.1117/12.2058604
Show Author Affiliations
Constanze Schilder, Bundesanstalt für Materialforschung und -prüfung (Germany)
Marcus Schukar, Bundesanstalt für Materialforschung und -prüfung (Germany)
Milan Steffen, Bundesanstalt für Materialforschung und -prüfung (Germany)
Katerina Krebber, Bundesanstalt für Materialforschung und -prüfung (Germany)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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