Evaluating distributed fibre optic sensors integrated into thermoplastic composites for structural health monitoring

Constanze Schilder; Marcus Schukar; Milan Steffen; Katerina Krebber

doi:10.1117/12.2058604

2 June 2014 Evaluating distributed fibre optic sensors integrated into thermoplastic composites for structural health monitoring

Constanze Schilder, Marcus Schukar, Milan Steffen, Katerina Krebber

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91575Q (2014) https://doi.org/10.1117/12.2058604
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

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.

Citation Download Citation

Constanze Schilder, Marcus Schukar, Milan Steffen, and Katerina Krebber "Evaluating distributed fibre optic sensors integrated into thermoplastic composites for structural health monitoring", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91575Q (2 June 2014); https://doi.org/10.1117/12.2058604

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