用于激发体声波和表面声波的模态换能器的功能梯度压电材料。
Functionally graded piezoelectric materials for modal transducers for exciting bulk and surface acoustic waves.
作者信息
Yang Jiashi, Jin Zhihe, Li Jiangyu
出版信息
IEEE Trans Ultrason Ferroelectr Freq Control. 2008 Jul;55(7):1555-8. doi: 10.1109/TUFFC.2008.832.
PMID:18986946
Abstract
We show that functionally graded piezoelectric materials can be used to make modal actuators through theoretical analyses of the excitation of extensional motion in an elastic rod and Rayleigh surface waves over an elastic half-plane. The results suggest alternatives with certain advantages for the excitation of bulk and surface acoustic waves.
摘要
通过对弹性杆中纵向运动激发以及弹性半平面上瑞利表面波激发进行理论分析，我们表明功能梯度压电材料可用于制造模态致动器。结果表明，在激发体声波和表面声波方面存在具有一定优势的替代方案。
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