Determination of macroscopic electro-mechanical characteristics of 1-3 piezoceramic/polymer composites by a concentric tube model

Henrik Jensen

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    Abstract

    An axisymmetric concentric tube model of a piezoelectric rod and a concentric elastic tube is used to characterize 1-3 piezoelectric/elastic composites macroscopically. With average displacements of and total forces on the surfaces as the mechanical degrees of freedom, and with charge and potential at the ends of the rod as the electrical degrees of freedom, the relation between the electromechanical degrees of freedom is given in a matrix formulation. A recursive numerical scheme for combining the matrix for the tube and the piezoelectric rod into one for the composite piezoelectric rod is used to directly identify the majority of the e-set of constitutive constants for 1-3 composites. The remaining constitutive constants are estimated from a cubes model to allow inversion of the d-g and h-sets and calculation of other characteristics
    Original languageEnglish
    JournalI E E E Transactions on Ultrasonics, Ferroelectrics and Frequency Control
    Volume38
    Issue number6
    Pages (from-to)591-594
    ISSN0885-3010
    DOIs
    Publication statusPublished - 1991

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    Copyright: 1991 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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