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Regular Papers

Multi-phase piezoelectric structures through co-extrusion

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Pages 282-285 | Published online: 18 Jul 2013
 

Abstract

A novel processing route has been developed which will allow electrode structures to be applied around and within structures of lead zirconate titanate (PZT) before sintering, without the use of expensive metal electrodes such as palladium or platinum. The processing methods which have been applied to obtain these results have involved viscous processing and co-extrusion. Deagglomerated pastes of PZT and different levels of silver (I) oxide have been formed and co-extruded into cylindrical sections to demonstrate the feasibility of the technology. The microstructural and functional properties of these structures are shown, and the potential for the technology to generate complex novel piezoelectric devices illustrated.

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