Pitch-Catch Air-Coupled Ultrasonic Technique for Detection of Barely Visible Impact Damages in Composite Laminates - Inria - Institut national de recherche en sciences et technologies du numérique Accéder directement au contenu
Communication Dans Un Congrès Année : 2014

Pitch-Catch Air-Coupled Ultrasonic Technique for Detection of Barely Visible Impact Damages in Composite Laminates

Résumé

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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Dates et versions

hal-01022043 , version 1 (10-07-2014)

Identifiants

  • HAL Id : hal-01022043 , version 1

Citer

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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