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Parametric Analysis and Optimization of Radially Layered Cylindrical Piezoceramic/Epoxy Composite Transducers

1
Department of Applied Mechanics, University of Science and Technology Beijing, Beijing 100083, China
2
Beijing Key Laboratory for Sensors, Beijing Information Science & Technology University, Beijing 100101, China
3
School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, China
4
Department of Mechanics, Beijing Jiaotong University, Beijing 100044, China
*
Author to whom correspondence should be addressed.
Micromachines 2018, 9(11), 585; https://doi.org/10.3390/mi9110585
Received: 8 October 2018 / Revised: 28 October 2018 / Accepted: 6 November 2018 / Published: 9 November 2018
(This article belongs to the Special Issue Piezoelectric Transducers: Materials, Devices and Applications)
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PDF [3618 KB, uploaded 9 November 2018]
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Abstract

Radially layered cylindrical piezoceramic/epoxy composite transducers have been designed by integrating the excellent performance of piezoelectric/polymer composites and the radial radiation ability of cylindrical configurations, which are promising in developing novel ultrasonic and underwater sound techniques. Our previous study has explored the effects of the external resistance on the electromechanical characteristics of the transducer, and obtained some valuable findings. To clearly understand the electromechanical characteristics of the transducer and to guide the device design, in this paper, parametric analysis was performed to reveal the effects of multiple key factors on the electromechanical characteristics. These factors include material parameters of epoxy layers, piezoceramic material types, and locations of piezoceramic rings. In order to better analyze the influence of these factors, a modified theoretical model, in which every layer has different geometric and material parameters, was developed based on the model given in the previous work. Furthermore, the reliability of the model was validated by the ANSYS simulation results and the experimental results. The present investigation provides some helpful guidelines to design and optimize the radially layered cylindrical piezoceramic/epoxy composite transducers. View Full-Text
Keywords: cylindrical composite; piezoceramic/epoxy composite; electromechanical characteristics; transducer cylindrical composite; piezoceramic/epoxy composite; electromechanical characteristics; transducer
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Wang, J.; Qin, L.; Li, W.; Song, W. Parametric Analysis and Optimization of Radially Layered Cylindrical Piezoceramic/Epoxy Composite Transducers. Micromachines 2018, 9, 585.

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