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

被引：0
|
作者：
Young Jun Choi
Myong-Jae Yoo
Hyung-Won Kang
Hyeung-Gyu Lee
Seung Ho Han
Sahn Nahm
机构：
[1] Korea Electronics Technology Institute,Electronic Materials & Device Research Center
[2] Korea University,Department of Materials Science & Engineering
来源：
Journal of Electroceramics | 2013年 / 30卷
关键词：
PZT ceramics; P(VDF-CTFE) copolymer; Piezoelectric ceramic-polymer composite; Piezoelectric figure of merit;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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 170°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 (g33) 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 d33× g33 value of 7.27 pm2/N.
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页码：30 / 35
页数：5
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