Piezoelectric properties of low-temperature sintering Pb(Co1/2W1/2)O3-Pb(Mn1/3Nb2/3)O3-Pb(Zr0.48Ti0.52)O3 ceramics with the sintering temperature and the amount of CuO addition

被引：18

作者：

Chung, K

Lee, D

Yoo, J ^{[1
]}

Jeong, Y

Lee, H

Kang, H

机构：

[1] Semyung Univ, Dept Elect Engn, Chungbuk 390711, South Korea

[2] Inha Univ, Dept Elect Engn, Inchon 402751, South Korea

[3] Korea Elect Power Res Inst, Taejon 305380, South Korea

[4] Korea Elect Technol Inst, Kyunggi 451835, South Korea

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2005年 / 121卷 / 01期

关键词：

low-temperature sintering ceramics; sintering aid; electromechanical coupling factor (k(p)); mechanical quality factor (Q(m));

D O I：

10.1016/j.sna.2005.01.022

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this study, in order to develop the low-temperature sintering ceramics for multilayer piezoelectric transformer and ultrasonic vibrator applications, Pb[(Co1/2W1/2)(0.02)(Mn1/3Nb2/3)(0.07)(Zr0.4STi0.52)(0.91)]O-3 ceramics doped with CuO as sintering aid were manufactured according to the sintering temperature and the amount of CuO addition, and their micro-structural, dielectric and piezoelectric properties were investigated. CuO used as sintering aid was proved to lower the sintering temperature of piezoelectric ceramics due to the effect of Cu2O-PbO liquid phase. At the sintering temperature 980 degrees C, the density, grain size, electromechanical coupling factor (k(p)), mechanical quality factor (Q(m)) and dielectric constant (epsilon(r)) of 0.3 wt.% CuO added specimen showed the optimum values of 7.84 g/cm(3), 3.91 mu m, 0.50, 1967 and 1357, respectively, for multilayer piezoelectric transformer and ultrasonic vibrator applications. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：142 / 147

页数：6

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