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Dielectric and piezoelectric properties of ceramic-polymer composites with 0-3 connectivity type

Authors
Choi, Young JunYoo, Myong-JaeKang, Hyung-WonLee, Hyeung-GyuHan, Seung HoNahm, Sahn
Issue Date
4월-2013
Publisher
SPRINGER
Keywords
PZT ceramics; P(VDF-CTFE) copolymer; Piezoelectric ceramic-polymer composite; Piezoelectric figure of merit
Citation
JOURNAL OF ELECTROCERAMICS, v.30, no.1-2, pp.30 - 35
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF ELECTROCERAMICS
Volume
30
Number
1-2
Start Page
30
End Page
35
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/103653
DOI
10.1007/s10832-012-9706-7
ISSN
1385-3449
Abstract
Piezoelectric ceramic-polymer composites with 0-3 connectivity were fabricated from lead zirconate titanate (PZT) and poly(vinylidene-fluoride-chlorotrifluoroethylene [P(VDF-CTFE)] copolymer. PZT-P(VDF-CTFE) composites were prepared using the hot press method under various pressure levels of P(VDF-CTFE) at 170A degrees C. The composites were investigated for density, as well as their dielectric and piezoelectric properties, while the particle size of the PZT powder and volume fraction were varied. The connectivity model for the composites was evaluated on the basis of the measured dielectric properties. The piezoelectric voltage constant (g (33) ) was found to achieve a maximum value with a volume fraction of 60 %. In addition, the PZT-P(VDF-CTFE) composite with a 60 % volume fraction was found to yield optimum d (33) x g (33) value of 7.27 pm(2)/N.
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