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Pitch-Catch Air-Coupled Ultrasonic Technique for Detection of Barely Visible Impact Damages in Composite Laminates
Abstract : In this paper we demonstrate an application of Lamb waves, evoked and sensed using air-coupled transducers, with the aim to detect barely visible impact damages (BVID). Experimental results, performed using a pair of air-coupled transducers operating in pitch-catch setup, are presented. In this setup, selective excitation and reception of selected Lamb wave modes is possible by changing transducers' angle of incidence. Results of scanning of a carbon-fiber reinforced polymer (CFRP) panel using S0 Lamb wave mode are presented in the paper, and different damage detection strategies are analyzed to detect impact damages in the panel.
Cited literature [10 references]
https://hal.inria.fr/hal-01022043
Contributor : Anne Jaigu Connect in order to contact the contributor
Submitted on : Thursday, July 10, 2014 - 9:58:47 AM
Last modification on : Saturday, December 18, 2021 - 3:05:09 AM
Long-term archiving on: : Friday, October 10, 2014 - 11:00:14 AM
Contributor : Anne Jaigu Connect in order to contact the contributor
Submitted on : Thursday, July 10, 2014 - 9:58:47 AM
Last modification on : Saturday, December 18, 2021 - 3:05:09 AM
Long-term archiving on: : Friday, October 10, 2014 - 11:00:14 AM
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0367.pdf
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