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Title: Piezoelectric properties of 1-3 composites of PZT in P(VDF-TrFE) copolymer
Authors: Kwok, KW 
Chan, HLW 
Choy, CL
Keywords: Ceramic materials
Coercive force
Composite materials
Electric field effects
Grain size and shape
Lead compounds
Piezoelectric transducers
Issue Date: 1995
Publisher: IEEE
Source: ISAF '94 : proceedings of the ninth IEEE International Symposium on Applications of Ferroelectrics, Penn State Scanticon Conference Center, The Pennsylvania State University, University Park, Pennsylvania, USA, August 7-August 10, 1994, p. 194-197 How to cite?
Abstract: PZT/P(VDF-TrFE) 1-3 composites were fabricated by embedding pre-sintered PZT rods in a pre-poled copolymer matrix. The rods were then poled using an electric field much lower than the coercive field of the copolymer. The electromechanical coupling factor k[sub t], and the resonance characteristics of the composites were measured. The resonance characteristics of the composites were found to be dominated by the individual PZT rods. Poling of the copolymer matrix results in broadening of the main resonance peak. For transducer applications, it is advisable to pole the copolymer and the PZT rods in the same direction as this gives a higher k[sub t] value.
ISBN: 0-7803-1847-1
Rights: © 1995 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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