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Proceedings Paper

Characterization and modeling time-dependent behavior in PZT fibers and active fiber composites
Author(s): Mohamed Aziz Dridi; Hassene Ben Atitallah; Zoubeida Ounaies; Anastasia Muliana
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Paper Abstract

Active fiber composites (AFC) are comprised of lead zirconate titanate (PZT) fibers embedded in a polymer. This paper presents an experimental characterization of the PZT fibers and a constitutive model focused on their time-dependent, nonlinear response. The experiments herein focus on characterizing time dependence of various properties by conducting creep, relaxation, mechanical and electric field-cyclic loading at different frequencies. The constitutive model is a time-dependent polarization model that predicts nonlinear polarization and electro-mechanical strain responses of the fibers. The model of PZT fibers is used in the FEM simulation of AFCs and results of the model are compared to experiments for validation.

Paper Details

Date Published: 2 April 2015
PDF: 11 pages
Proc. SPIE 9432, Behavior and Mechanics of Multifunctional Materials and Composites 2015, 94320B (2 April 2015); doi: 10.1117/12.2084811
Show Author Affiliations
Mohamed Aziz Dridi, The Pennsylvania State Univ. (United States)
Hassene Ben Atitallah, The Pennsylvania State Univ. (United States)
Zoubeida Ounaies, The Pennsylvania State Univ. (United States)
Anastasia Muliana, Texas A&M Univ. (United States)

Published in SPIE Proceedings Vol. 9432:
Behavior and Mechanics of Multifunctional Materials and Composites 2015
Nakhiah C. Goulbourne, Editor(s)

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