THICKNESS-SHEAR VIBRATION OF A RECTANGULAR QUARTZ PLATE WITH PARTIAL ELECTRODES

被引:0
|
作者
Huijing He [1 ]
Jiashi Yang [1 ]
John A. Kosinski [2 ]
Ji Wang [3 ]
机构
[1] Department of Engineering Mechanics,University of Nebraska,Lincoln,NE 68588-0526,USA
[2] Department of Chemistry,Medical Technology,and Physics,Monmouth University,West Long Branch,NJ 07764-1898,USA
[3] Piezoelectric Device Laboratory,School of Mechanical Engineering and Mechanics,Ningbo University
基金
中国国家自然科学基金;
关键词
crystal; wave; vibration; plate; three-dimensional effect;
D O I
暂无
中图分类号
TN384 [铁电及压电器件];
学科分类号
0805 ; 080501 ; 080502 ; 080903 ;
摘要
We study free vibration of a thickness-shear mode crystal resonator of AT-cut quartz. The resonator is a rectangular plate partially and symmetrically electroded at the center with rectangular electrodes. A single-mode, three-dimensional equation governing the thickness-shear displacement is used. A Fourier series solution is obtained. Numerical results calculated from the series show that there exist trapped thickness-shear modes whose vibration is mainly under the electrodes and decays rapidly outside the electrodes. The effects of the electrode size and thickness on the trapped modes are examined.
引用
收藏
页码:121 / 128
页数:8
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