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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41317

Title: Nonlinear and Rate-Dependent Hysteretic Responses of Active Hybrid Composites
Authors: Chien-Hong Lin;Anastasia Muliana
Contributors: 國立臺灣海洋大學:機械與機電工學系
Keywords: Piezoelectric;Polarization Switching;Micromechanics;Hybrid Composites;Nonlinear Electro-Mechanical Coupling;Viscoelasticity
Date: 2016-01
Issue Date: 2017-02-14T05:47:29Z
Publisher: MSA
Abstract: Abstract:Nonlinear electro-mechanical behaviors of piezoelectric materials and viscoelastic nature of polymers result in the overall nonlinear and hysteretic responses of active polymeric composites. This study presents a hybrid-unit-cell model for obtaining the effective nonlinear and rate-dependent hysteretic electro-mechanical responses of hybrid piezocomposites. The studied hybrid piezocomposites consist of unidirectional piezoelectric fibers embedded in a polymeric matrix, which is reinforced with piezoelectric particles. The hybrid-unit-cell model is derived based on a unit-cell model of fiber-reinforced composites consisting of fiber and matrix subcells, in which the matrix subcells are comprised of a unit-cell model of particle-reinforced composites. Nonlinear electro-mechanical responses are considered for the piezoelectric constituents while a viscoelastic solid constitutive model is used for the polymer constituent. The hybrid-unit cell model is used to examine the effects of different responses of the constituents, microstructural arrangements, and loading histories on the overall nonlinear and hysteretic electro-mechanical responses of the hybrid piezocomposites, which are useful in designing active polymeric composites.
Relation: 7(1)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41317
Appears in Collections:[機械與機電工程學系] 期刊論文

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