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Analytical solutions for sagittal plane plate waves in composites

Par Conseil national de recherches du Canada

DOITrouver le DOI : https://doi.org/10.1109/ULTSYM.1992.275977
AuteurRechercher : ; Rechercher : 1; Rechercher :
Affiliation
  1. Conseil national de recherches du Canada. Institut des matériaux industriels du CNRC
FormatTexte, Article
ConférenceIEEE 1992 Ultrasonics Symposium Proceedings, October 20-23, 1992, Tucson, AZ
SujetSolids; Chemical and biological sensors; Thin film sensors; Biosensors; Liquids; Probes; Acoustic sensors; Frequency; Velocity measurement; Optical films
Résumé
Propagation characteristics of sagittal plane plate waves in a composite plate loaded by a liquid of finite thickness are presented. The composite consists of a solid isotropic plate sandwiched between two acoustically thin (< < λ ) isotropic solid films, where λ is the acoustic wavelength. The solutions are separately derived for the symmetric and antisymmetric modes. For each type of mode, an approximately analytical dispersion equation is given. Numerical calculations for the lowest symmetric and antisymmetric modes of such a structure are shown. The phase velocity of sagittal plane plate waves changes with the thickness of the thin solid films and that of the liquid, and significantly for the lowest symmetric mode when the liquid thickness is around 0.25 liquid wavelength. Applications pertinent to sensors such as mass sensitivity variation due to the presence of thin solid films and liquids are presented.
Date de publication
Maison d’éditionIEEE
Dans
  • IEEE 1992 Ultrasonics Symposium Proceedings : 381–386.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCCNRC 33738
NRC-IMI92TC-10300-1296-G
Numéro NPARC23004679
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Identificateur de l’enregistrement997bab25-f91e-4761-a5c7-dadcaeccfc0b
Enregistrement créé2018-12-10
Enregistrement modifié2020-04-23
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