Investigation of field-induced piezoelectric properties in Pb(Mg1/3Nb2/3)O3-PbTiO3 ceramics for transducer applications

被引：0
|
作者：
Lente, M. H. [1 ]
Zanin, A. L. [1 ]
Garcia, D. [1 ]
Eiras, J. A. [1 ]
Leija, L. [2 ]
Vera, A. [2 ]
Calas, H. [3 ]
Moreno, E. [3 ]
机构：
[1] Univ Fed Sao Carlos, Dept Fis, Grp Ceram Ferroeletr, BR-13560905 Sao Carlos, SP, Brazil
[2] CINVESTAV, Sec Bioelectron, Mexico City, Mexico
[3] Inst Cibernet Matemat & Fisica, Cube Grp Ultrason, Havana, Cuba
来源：
HIGH-PERFORMANCE CERAMICS IV, PTS 1-3 | 2007年 / 336-338卷
基金：
巴西圣保罗研究基金会;
关键词：
induced piezoelectric; relaxors; PMN-PT; ultrasonic transcducer;
D O I：
10.4028/www.scientific.net/KEM.336-338.58
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Pb(Mg1/3Nb2/3)O-3-PbTiO3 based ceramics were produced by conventional sintering method and their electric-field induced electromechanical properties were determined. Large field-induced electromechanical coupling factors, with high piezoelectric anisotropy, were obtained in this relaxor material at relatively low DC electric bias field. A circular ultrasonic transducer with non uniform radial induced polarization was constructed using this material for field diffraction control.
引用
收藏
页码：58 / +
页数：2
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