Mesoscopic dynamics of piezoelectric copolymer thin films

D. Roy Mahapatra; R. V. N. Melnik

doi:10.1117/12.658910

22 March 2006 Mesoscopic dynamics of piezoelectric copolymer thin films

D. Roy Mahapatra, R. V. N. Melnik

Proceedings Volume 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD); 61682D (2006) https://doi.org/10.1117/12.658910
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

A mesoscopic model to analyze various effects of electroactive and flow related properties in piezoelectric copolymer composite thin film has been developed in this paper. A three-phase composite with piezoelectric particulate phase, electroactive polymer phase and graft polymer-matrix phase is considered. The homogenized constitutive model takes into account the local transport of cations in polymer, electrostriction and anhysteretic polarization. A finite strain description is given which includes the mesoscopic dispersion of copolymer chains. Finite element simulation is carried out by considering a P(VDF-TrFE)-PZT-Araldite thin film. Analysis of the results indicate that an increasing copolymer content substantially changes the deformation pattern in the film.

Citation Download Citation

D. Roy Mahapatra and R. V. N. Melnik "Mesoscopic dynamics of piezoelectric copolymer thin films", Proc. SPIE 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), 61682D (22 March 2006); https://doi.org/10.1117/12.658910

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