A study of underwater transducers based on piezoelectric composites working at shear vibration modal

被引：0
|
作者：
Jia J. [1 ,2 ]
Qin L. [1 ,2 ,3 ]
Zhong C. [1 ]
Wang L. [1 ,2 ,3 ]
机构：
[1] Research Center of Sensor Technology, Beijing Information Science & Technology University, Beijing
[2] Beijing Key Laboratory for Optoelectronic Measurement Technology, Beijing Information Science & Technology University, Beijing
[3] Key Laboratory of Modern Measurement & Control Technology, Ministry of Education, Beijing Information Science and Technology University, Beijing
来源：
Zhendong yu Chongji/Journal of Vibration and Shock | 2019年 / 38卷 / 08期
关键词：
D[!sub]15[!/sub] shear-mode; Finite element analysis; Piezoelectric composites; Turn the transfer;
D O I：
10.13465/j.cnki.jvs.2019.08.029
中图分类号：
学科分类号：
摘要：
The shear vibration modes (d15 mode) of piezoelectric ceramics have many advantages, such as high electromechanical coupling coefficient, generally higher piezoelectric constant, low frequency constant, and dielectric constant. It thus has a good performance in piezoelectric energy collector and new structural composite transducers. The shear vibrations generated by the piezoelectric ceramics were converted into the thickness vibration of the composite with designing a transition layer with a special structure. At the same time, this transition layer meets the requirements to radiate underwater longitudinal wave, and thus improves the piezoelectric properties of composite materials. The impact of the transition layer material types on the overall performance of the composite material was studied through the finite element analysis and experiments. © 2019, Editorial Office of Journal of Vibration and Shock. All right reserved.
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页码：193 / 197and237
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