NDLI: Electromechanical properties of piezoelectric spiral actuators

Content Provider	IEEE Xplore Digital Library
Author	Mohammadi, F. Jadidian, B. Kholkin, A.L. Danforth, S.C. Safari, A.
Copyright Year	2000
Description	Author affiliation: Dept. of Ceramics & Mater. Eng., Rutgers Univ., Piscataway, NJ, USA (Mohammadi, F.)
Abstract	A new type of monolithic high-displacement piezoelectric ceramic actuator with spiral geometry is described. The actuators were fabricated using a Solid Freeform Fabrication (SFF) method, Fused Deposition of Ceramics (FDC), which is capable of prototyping electroceramic components with complex shapes. The spiral actuators (3, 0.06, and 28 cm in diameter, width, and length, respectively) produced displacements of up to 1,900 /spl mu/m under application of an electric field of 1.1, kV/mm. Both the displacement and resonant frequency of the spirals were tailored by changing the effective length and wall width. The blocking force of the actuators is on the order of 1 N. These properties are advantageous for high displacement-low force applications where bimorph or monomorph actuators are currently employed.
Starting Page	101
Ending Page	104
File Size	423771
Page Count	4
File Format	PDF
ISBN	0780359402
ISSN	10994734
DOI	10.1109/ISAF.2000.941521
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-21
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spirals Piezoelectric actuators Ceramics Strips Powders Layered manufacturing Geometry Shape Resonant frequency Piezoelectric materials
Content Type	Text
Resource Type	Article

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