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Experimental Ultrasound Transmission through Fluid-Solid and Air-Solid Phononic Plates

Centro de Tecnologías Físicas, Universitat Politécnica de Valencia, Avd. Los Naranjos, s/n., Valencia 46022, Spain
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Academic Editor: Alkiviadis Paipetis
Materials 2016, 9(6), 453; https://doi.org/10.3390/ma9060453
Received: 22 April 2016 / Revised: 31 May 2016 / Accepted: 3 June 2016 / Published: 7 June 2016
(This article belongs to the Special Issue Acoustic Waves in Advanced Materials)
Underwater ultrasonic transmissions for fluid-solid and air-solid phononic brass plates are reported in this work. Although the structure is roughly the same, experimental results show very different behaviour between fluid-solid and air-solid phononic plates, due to most of the properties of the fluid-solid perforated plates rely on Fabry-Perot resonances, Wood anomalies and Lamb modes. In air-solid phononic plates Fabry-Perot resonance is highly attenuated due to impedances difference between air and water, and therefore some transmission modes are now distinguishable due to surface modes coupling. View Full-Text
Keywords: subwalength hole array; perforated plate; phononic plate; Lamb waves subwalength hole array; perforated plate; phononic plate; Lamb waves
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MDPI and ACS Style

Gómez-Lozano, V.; Rubio, C.; Candelas, P.; Uris, A.; Belmar, F. Experimental Ultrasound Transmission through Fluid-Solid and Air-Solid Phononic Plates. Materials 2016, 9, 453.

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