Articles | Volume 9, issue 1
J. Sens. Sens. Syst., 9, 127–132, 2020
https://doi.org/10.5194/jsss-9-127-2020

Special issue: Sensors and Measurement Systems 2019

J. Sens. Sens. Syst., 9, 127–132, 2020
https://doi.org/10.5194/jsss-9-127-2020

Review paper 31 Mar 2020

Review paper | 31 Mar 2020

Integrated defect sensor for the inspection of fiber-reinforced plastics using air-coupled ultrasound

Yannick Bernhardt and Marc Kreutzbruck

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Cited articles

Amendola, A., Iannuzzo, G., Cerreta, P., und Pinto, R.: Future aerostructure for the next generation green civil aircraft, Aerodays 2011, Madrid, 2011. 
Bhardwaj, M. C.: Non-Destructive Evaluation: Introduction of Non-Contact Ultrasound, in: Encyclopedia of Smart Materials, edited by: Schwartz, M., John Wiley & Sons, New York, 690–714, 2001. 
Castaings, M., Cawley, P., Farlow, R., and Hayward, G.: Single Sided Inspection of Composite Materials Using Air Coupled Ultrasound, J. Nondestruct. Eval., 17, 37–45, 1998. 
Gaal, M., Döring, J., Bartusch, J., Lange, T., Hillger, W., Brekow, G., und Kreutzbruck, M.: Ferroelektret-Prüfköpfe für berührungslose Ultraschallprüfung von faserverstärkten Kunststoffen, DACH-Jahrestagung 2012 in Graz, 2012. 
Gregory, R.: Rapid, Sensitive Inspection of Marine Composites using Laser Shearography, ACMC/SAMPE Conference on Marine Composites Plymouth, 11–12 September 2003, ISBN 1-870918-02-09, 2003.  
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Short summary
Air-coupled ultrasound is a non-contact non-destructive testing method. In many cases air-coupled ultrasound is used in a transmission mode requiring access from both sides of the specimen. Air-coupled ultrasound can be used in a re-emission mode enabling single-sided testing. In this work a sensor head with automatically adjustable ultrasound probes was developed to make one-sided air-coupled ultrasound easier. With this integrated sensor head it is possible to detect defects in thin walls.