Visualization of lamb wave propagation in uncured CFRP and curved surfaces using air-coupled ultrasound

Propagation of Lamb waves, generated and detected using air-coupled piezoelectric transducers (0.1-1.0 MHz), is visualized. Hence phase and group velocities are obtained. The technique is first tested on plates (aluminum and carbon fiber reinforced polymers-CFRP-plates). Then it has been applied to...

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Hauptverfasser:	Fariñas, M. D., Calás, H., Álvarez-Arenas, T. E. Gómez
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Acoustics air-coupled ultrasound Aluminum Arrays Lamb waves Materials Steel Transducers uncured CFRP Visualization
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creator	Fariñas, M. D. Calás, H. Álvarez-Arenas, T. E. Gómez
description	Propagation of Lamb waves, generated and detected using air-coupled piezoelectric transducers (0.1-1.0 MHz), is visualized. Hence phase and group velocities are obtained. The technique is first tested on plates (aluminum and carbon fiber reinforced polymers-CFRP-plates). Then it has been applied to un-cured CFRPs plates and curved surfaces: steel pipes and vessels and to the curved section of CFRP beams. Two different experimental set-ups are proposed: 1) use of monolithic transducers and mechanical scans along the direction of propagation, 2) use of a phased array linear transducer and an electronic scan along the direction of propagation.
doi_str_mv	10.1109/ULTSYM.2012.0357
format	Conference Proceeding
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Gómez</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Fariñas, M. D.</au><au>Calás, H.</au><au>Álvarez-Arenas, T. E. 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subjects	Acoustics air-coupled ultrasound Aluminum Arrays Lamb waves Materials Steel Transducers uncured CFRP Visualization
title	Visualization of lamb wave propagation in uncured CFRP and curved surfaces using air-coupled ultrasound
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