Characterization and modeling time-dependent behavior in PZT fibers and active fiber composites

Mohamed Aziz Dridi; Hassene Ben Atitallah; Zoubeida Ounaies; Anastasia Muliana

doi:10.1117/12.2084811

2 April 2015 Characterization and modeling time-dependent behavior in PZT fibers and active fiber composites

Mohamed Aziz Dridi, Hassene Ben Atitallah, Zoubeida Ounaies, Anastasia Muliana

Proceedings Volume 9432, Behavior and Mechanics of Multifunctional Materials and Composites 2015; 94320B (2015) https://doi.org/10.1117/12.2084811
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

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.

Citation Download Citation

Mohamed Aziz Dridi, Hassene Ben Atitallah, Zoubeida Ounaies, and Anastasia Muliana "Characterization and modeling time-dependent behavior in PZT fibers and active fiber composites", Proc. SPIE 9432, Behavior and Mechanics of Multifunctional Materials and Composites 2015, 94320B (2 April 2015); https://doi.org/10.1117/12.2084811

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