Non-uniformly polarized piezoelectric modal transducer:: fabrication method and experimental results

被引：15
|
作者：
Calas, H. [1 ]
Moreno, E.
Eiras, J. A.
Aulet, A.
Figueredo, J.
Leija, L.
机构：
[1] Inst Cibernat Matemat & Fis, Dept Ultrason, Havana, Cuba
[2] Univ Fed Sao Carlos, Dept Fis, Grp Ceram Ferroelect, BR-13565905 Sao Carlos, SP, Brazil
[3] Fac Ciencias, Inst Fis, Lab Acust Ultrasonora, Montevideo 11400, Uruguay
[4] IPN, CINVESTAV, Secc Bioelect, Mexico City 07738, DF, Mexico
来源：
SMART MATERIALS AND STRUCTURES | 2006年 / 15卷 / 04期
关键词：
D O I：
10.1088/0964-1726/15/4/002
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The study of modal sensors and actuators is motivated by their ability to control the resonance frequency and the vibration modes of mechanical structures. In this work, a non-homogeneous poling method to obtain a radial modal sensor from a piezoelectric disc is presented. The construction method for three modal elements is described and their electrical behavior is presented and analyzed in comparison to a uniform poled disc.
引用
收藏
页码：904 / 908
页数：5
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