22 March 2006 Mesoscopic dynamics of piezoelectric copolymer thin films
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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.
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D. Roy Mahapatra, 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); doi: 10.1117/12.658910; https://doi.org/10.1117/12.658910
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