Piezoelectric multilayer ceramic/polymer composite transducer with 2-2 connectivity

Chang Bun Yoon, Seung Ho Lee, Sung Mi Lee, Young-Hag Koh, Hyoun Ee Kim, Kyung Woo Lee

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

A multilayer piezoelectric ceramic/polymer composite with 2-2 connectivity was fabricated by thermoplastic green machining after co-extrusion. The multilayer ceramic body was composed of piezoelectrically active lead zirconate titanate (PZN)-lead zinc niobate (PZN)-lead zirconate titanate (PZT) layers and electrically conducting PZN-PZT/Ag layers. After co-extruding the thermoplastic body, which consisted of five piezoelectric layers interspersed with four conducting layers, it was computer numeric-controlled machined to create periodic channels within it. Following binder burnout and sintering, an 18 vol% array of 190 μm thin PZT slabs with a channel size of 880 μm was fabricated. The channels were filled with epoxy in order to fabricate a PZN-PZT/epoxy composite with 2-2 connectivity. The piezoelectric coefficient (effective d 33) and hydrostatic figure of merit (d h×g h) of the PZN-PZT/epoxy composite were 1200 pC/N and 20130 × 10 -15 m 2/N, respectively. These excellent piezoelectric characteristics as well as the relatively simple fabrication procedure will contribute in widening the application range of the piezoelectric transducers.

Original languageEnglish
Pages (from-to)2509-2513
Number of pages5
JournalJournal of the American Ceramic Society
Volume89
Issue number8
DOIs
Publication statusPublished - 2006 Aug 1
Externally publishedYes

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titanate
transducer
ceramics
connectivity
Transducers
Polymers
Multilayers
polymer
Thermoplastics
Composite materials
Lead
Piezoelectric transducers
Piezoelectric ceramics
Binders
Extrusion
Machining
Zinc
Sintering
Fabrication
extrusion

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Piezoelectric multilayer ceramic/polymer composite transducer with 2-2 connectivity. / Yoon, Chang Bun; Lee, Seung Ho; Lee, Sung Mi; Koh, Young-Hag; Kim, Hyoun Ee; Lee, Kyung Woo.

In: Journal of the American Ceramic Society, Vol. 89, No. 8, 01.08.2006, p. 2509-2513.

Research output: Contribution to journalArticle

Yoon, Chang Bun ; Lee, Seung Ho ; Lee, Sung Mi ; Koh, Young-Hag ; Kim, Hyoun Ee ; Lee, Kyung Woo. / Piezoelectric multilayer ceramic/polymer composite transducer with 2-2 connectivity. In: Journal of the American Ceramic Society. 2006 ; Vol. 89, No. 8. pp. 2509-2513.
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