Modeling of single and multilayer polyvinylidene fluoride film for micro pump actuation
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2010
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Abstract
Micro pumps are essential components of micro devices such as drug delivery systems. Large numbers of pumps have been proposed based on different actuating principles. Piezoelectric actuation offers advantages such as reliability and energy efficiency. Lead zirconate titanate (PZT) based piezoelectric actuation for micro pumps is predominantly explored despite its disadvantages such as brittle nature, low straining and difficulties in processing. Polymer piezoelectric materials like polyvinylidene fluoride (PVDF) could be promising replacements for PZT owing to their availability in form of films and good strain coefficients. Very limited literature on micro pump with PVDF as an actuator is available. In this paper, finite element analysis (FEA) model of a micro pump actuator using single and multilayer PVDF for actuation is developed in ANSYS. The model takes into account the influence of driving voltage and actuator. Copyright © Springer-Verlag 2009.
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Keywords
Driving voltages, Drug delivery system, Essential component, Finite element analysis, Lead zirconate titanate, Micro devices, Micro pump, Piezoelectric actuation, Polyvinylidene fluoride films, Polyvinylidene fluorides, PZT, Strain coefficient, Drug delivery, Energy efficiency, Finite element method, Multilayers, Piezoelectric actuators, Piezoelectric materials, Piezoelectricity, Polymer films, Semiconducting lead compounds, Strain, Pumps
Citation
Microsystem Technologies, 2010, 16, 4, pp. 641-646