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.

引用

页码：30 / 35

页数：5

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