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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.
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https://hal.inria.fr/hal-01022043
Contributor : Anne Jaigu <>
Submitted on : Thursday, July 10, 2014 - 9:58:47 AM
Last modification on : Tuesday, November 24, 2020 - 2:18:22 PM
Long-term archiving on: : Friday, October 10, 2014 - 11:00:14 AM

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Lukasz Ambrozinski, Bogdan Piwakowski, Tadeusz Stepinski, Lukasz Pieczonka, Tadeusz Uhl. Pitch-Catch Air-Coupled Ultrasonic Technique for Detection of Barely Visible Impact Damages in Composite Laminates. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01022043⟩

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