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具有倾斜六重轴的6毫米晶体压电板及双层厚电极的厚度振动

Thickness vibration of piezoelectric plates of 6mm crystals with tilted six-fold axis and two-layered thick electrodes.

作者信息

Du Jianke, Xian Kai, Wang Ji, Yang Jiashi

机构信息

Mechanics and Materials Science Research Center, School of Engineering, Ningbo University, Ningbo, Zhejiang 315211, China.

出版信息

Ultrasonics. 2009 Feb;49(2):149-52. doi: 10.1016/j.ultras.2008.09.003. Epub 2008 Sep 21.

DOI:10.1016/j.ultras.2008.09.003
PMID:18951601
Abstract

We perform a theoretical analysis of thickness vibrations in piezoelectric plates of crystals with 6mm symmetry. The six-fold axis is tilted with respect to the plate surfaces. The major surfaces of the plate are covered with two layers of electrodes of different metals. The equations of linear piezoelectricity are used for the crystal plate. The electrodes are modeled by the equations of elasticity. Thickness vibrations frequencies and modes as well as impedance are calculated and examined.

摘要

我们对具有6mm对称性的晶体压电板中的厚度振动进行了理论分析。六重轴相对于板表面倾斜。板的主表面覆盖有两层不同金属的电极。晶体板采用线性压电方程。电极采用弹性方程进行建模。计算并研究了厚度振动频率、模式以及阻抗。

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