Spiral-shaped piezoelectric actuator fabricated using thermoplastic co-extrusion process

Spiral-shaped piezoelectric actuator fabricated using thermoplastic co-extrusion process

Spiral-shaped unimorph-type piezoelectric actuators were fabricated using a thermoplastic co-extrusion process. A green strip comprised of a piezoelectrically active layer (0.2PZN–0.8PZT) and a piezoelectrically passive layer (0.2PZN–0.8PZT/40 vol.% Ag) was produced by using the co-extrusion process...

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Veröffentlicht in:Sensors and actuators. A. Physical. 2008-11, Vol.148 (1), p.245-249
Hauptverfasser: Lee, Sung-Mi, Jun, Shin-Hee, Park, Chee-Sung, Kim, Hyoun-Ee, Lee, Kyung-Woo
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Actuator
Co-extrusion
Piezoelectric
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container_end_page 249
container_issue 1
container_start_page 245
container_title Sensors and actuators. A. Physical.
container_volume 148
creator Lee, Sung-Mi
Jun, Shin-Hee
Park, Chee-Sung
Kim, Hyoun-Ee
Lee, Kyung-Woo
description Spiral-shaped unimorph-type piezoelectric actuators were fabricated using a thermoplastic co-extrusion process. A green strip comprised of a piezoelectrically active layer (0.2PZN–0.8PZT) and a piezoelectrically passive layer (0.2PZN–0.8PZT/40 vol.% Ag) was produced by using the co-extrusion process. The green strip was then wound into a spiral shape at a temperature of 110 °C. After removing the thermoplastic binders, the samples were co-fired at 930 °C for 4 h in air. The fabricated actuator showed high displacements in the tangential direction due to its unimorph design and spiral geometry.
doi_str_mv 10.1016/j.sna.2008.08.006
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subjects Actuator
Co-extrusion
Piezoelectric
title Spiral-shaped piezoelectric actuator fabricated using thermoplastic co-extrusion process
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