NDLI: Determination of complex coefficients of radially polarized piezoelectric ceramic cylindrical shells using thin shell theory

Content Provider	IEEE Xplore Digital Library
Author	Ebenezer, D.D.
Copyright Year	1986
Abstract	A method is presented to determine the complex coefficients E/sub 33//sup T/, s/sub 11//sup E/, s/sub 12//sup E/, and d/sub 31/ of piezoelectric materials. The real parts of these coefficients are determined using axially polarized thin discs in the ANSI/IEEE Standard but are determined here using radially polarized cylindrical shells. The coefficients are determined by iteratively refining them until the values of the low-frequency complex admittance, three resonance frequencies, and three band-widths computed using a thin-shell analytical model and the coefficients are very nearly equal to measured values. The accuracy of the method is determined by using quantities computed using a finite-element model in place of measured values. Measurement errors are accounted for by using a resolution of 10 Hz to compute the critical frequencies. The differences between the coefficients input to the finite-element model and those obtained using the iteration method are the errors. It is shown that the method is sufficiently accurate to use thin radially polarized cylindrical shells to determine the properties of new materials as well as characterize those used in hydrophones or other devices.
Starting Page	1209
Ending Page	1215
Page Count	7
File Size	207320
File Format	PDF
ISSN	08853010
Volume Number	51
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Piezoelectric polarization Ceramics Finite element methods Piezoelectric materials ANSI standards Resonance Resonant frequency Analytical models Admittance measurement Frequency measurement
Content Type	Text
Resource Type	Article
Subject	Acoustics and Ultrasonics Instrumentation Electrical and Electronic Engineering

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