Effect of temperature of vibrations of physically non linear piezoelectric rods

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URI: http://hdl.handle.net/2042/6417
Title: Effect of temperature of vibrations of physically non linear piezoelectric rods
Author: Birman, V.; Suhir, E.
Abstract: The paper is concerned with a physically nonlinear behavior of piezoelectric rods. Such rods are often employed as transducers. We evaluate the effect of a uniformly distributed temperature on vibrations of a piezoelectric rod polarized in the axial direction and subjected to a harmonic (periodic-in-time) electric field. We conclude that temperature can significantly affect vibrations of a physically nonlinear transducer in a broad spectrum of frequencies. It is also shown that physical nonlinearity has a strong effect on the dynamic response of piezoelectric rods to alternating electric fields, especially in the vicinity of the resonance frequency and at high power fields.
Subject: Coupled (Thermo-mechanical, Thermo-optical, etc.) Effects, High Temperature Electronics
Publisher: TIMA Editions , Grenoble, France
Date: 2006

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