Surface bonded optical fibre sensors for the inspection of CFRP plates using ultrasonic Lamb waves

Pierce, Stephen and Philp, WR and Culshaw, B and Gachagan, Anthony and McNab, Alistair and Hayward, Gordon and Lecuyer, F (1996) Surface bonded optical fibre sensors for the inspection of CFRP plates using ultrasonic Lamb waves. Smart Materials and Structures, 5 (6). pp. 776-787. ISSN 0964-1726

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Abstract

Surface-bonded single-mode optical fibre sensors have been used to monitor the interaction of ultrasonic S-0 lamb waves with defects in carbon iibre composite plates. Lamb waves were initiated using Perspex-coupled piezoelectric transducers. The defects investigated comprised holes, regions of impact damage and delaminations. Holes could be identified by analysing direct S-0 reflections and impact damage by S-0 back-waif echo amplitude. Large delaminations gave a poor direct S-0 reflection. Evidence was found for mode conversion at centre plane delaminations.

Item type:	Article
ID code:	47458
Keywords:	fiber, ultrasonic Lamb waves, surface-bonded, optical fibre sensors, inspection, CFRP plates, Electrical engineering. Electronics Nuclear engineering, Optics. Light, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials
Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering Science > Physics > Optics. Light
Department:	Faculty of Engineering > Electronic and Electrical Engineering Technology and Innovation Centre > Sensors and Asset Management
Depositing user:	Pure Administrator
Date deposited:	11 Apr 2014 10:58
Last modified:	22 Mar 2017 13:11
URI:	https://strathprints.strath.ac.uk/id/eprint/47458
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