DIELECTRIC AND PIEZOELECTRIC PROPERTIES OF COPOLYMER-FERROELECTRIC COMPOSITE

被引：32
|
作者：
NGOMA, JB [1 ]
CAVAILLE, JY [1 ]
PALETTO, J [1 ]
PEREZ, J [1 ]
MACCHI, F [1 ]
机构：
[1] CEN,SBT,DEPT RECH FONDAMENTALE,F-38041 GRENOBLE,FRANCE
来源：
FERROELECTRICS | 1990年 / 109卷
关键词：
D O I：
10.1080/00150199008211414
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lead Zirconate Titanate (PZT) presents several disadvantages when used as a sensor of hydrostatic pressure (hydrostatic piezoelectric coefficient dh=d33+2d31 and the voltage coefficients g33=d33/ε gh=dh/ε are small). The purpose of this work is to fabricate the flexible composite with 0–3 connectivity consisting in a polymer matrix (70/30 mol% copolymer of vinylidene fluoride and trifluoroethylene) loaded with ceramic powder (PbTiO3, PLZT) for the use in the hydrophones sensors, and to study their dielectric, and piezoelectric properties in function of the temperature and the volume fraction of ceramic. After elaboration piezoelectric ceramic-copolymer composite materials, we have used differents mixture formulae for the calculation of dielectric parameters. © 1990, Taylor & Francis Group, LLC. All rights reserved.
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收藏
页码：205 / 210
页数：6
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