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PZT/PVDF flexible composites for actuator and sensor applications

Currently, smart structures utilize both polymeric sensor and PZT-based actuators. The benefit of self-sensing calls for the development of integrated actuator/sensor composites. This paper addresses the development and properties of this new class of smart materials. Controlled porosity (amount, size, shape and distribution) were fabricated using sintering, blending and spin- on-disc. New flexible, thin polymer based composites were obtained. The optimization between d31 and g31 was performed to provide both actuator and sensing capabilities. It was found, that processing conditions including poling can be adjusted to provide the contribution from both PZT and VDF.