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Resonant modes, acoustic impedance, and surface vibration profiles of periodic piezoceramic polymer composite plates

Author(s): Kulwicki, B. M., Amin, A., Safari, A., Zhang, Q. M., Yuan, J.

Journal/Book: ISAF '96 PROCEEDINGS OF THE. 1996; 345 E 47TH ST, NEW YORK, NY 10017. Order Info: I E E E SERVICE CENTER, 445 HOES LANE, PO BOX 1331, PISCATAWAY, NJ 08855-1331 USA, 1034 pp., 229 chaps., Plates, PRICE NOT AVAILABLE (hardbound) $170.00 SET PRICE $85.00 MEMBER PRICE (softbound) Host site: E BRUNSWICK, NEW JERSEY Sponsors: IEEE, Ultrason Ferroelect & Frequency Control Soc, USN, Off Naval Res, Def Adv Res Project Agcy, Howatt Fdn. I E E E SERVICE CENTER. 947-950.

Abstract: In this paper, the results of a combined analytical and experimental investigation of many properties, such as the resonant modes, the acoustic impedance, and the surface vibration profile of a periodic piezocomposite plate under different boundary conditions ( both in air and in fluid), are presented. Due to the approach in the analysis model, we can quantitatively predict how various modes and their coupling to the thickness resonance change as tbe aspect ratio of the ceramic plate changes It is also shown that the input acoustic impedance between a fluid or a solid medium and a composite is dispersive and depends on the medium, These findings will have important implications to the design of the composite, matching layer and backing for a composite ultrasonic transducer.

Note: Article Geng XC, Penn State Univ, Mat Res Lab, University Pk,PA 16802 USA

Keyword(s): 10TH IEEE INTERNATIONAL SYMPOSIUM ON APPLICATIONS OF FERROELECTRICS (ISAF 96); E BRUNSWICK, NEW JERSEY. AUGUST 18-21, 1996


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