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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 |
Issue Date: | 1995 | 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 | 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. | Keywords: | Ceramic materials Coercive force Composite materials Copolymers Electric field effects Grain size and shape Lead compounds Piezoelectric transducers Piezoelectricity Resonance Sintering |
Publisher: | IEEE | 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. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
| Appears in Collections: | Conference Paper |
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