Characterization for the key parameters of 1-3 piezoelectric composite in thickness vibration mode

被引：0

作者：

Zhong, Chao ^{[1
]}

Wang, Likun ^{[1
,2
]}

Hao, Shaohua ^{[3
]}

Sun, Ruiqing ^{[1
]}

Qin, Lei ^{[1
,2
]}

机构：

[1] Beijing Informat Sci & Technol Univ, Beijing Key Lab Sensors, Beijing, Peoples R China

[2] Beijing Informat Sci & Technol Univ, Beijing Key Lab Optoelect Measurement Technol, Beijing, Peoples R China

[3] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing, Peoples R China

来源：

FERROELECTRICS | 2022年 / 600卷 / 01期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

1-3 Piezoelectric composite; thickness vibration mode; electromechanical equivalent model; resonance frequency; conductance; PIEZOCOMPOSITE;

D O I：

10.1080/00150193.2022.2115801

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

1-3 piezoelectric composite has been widely used in underwater acoustic and ultrasonic transducer, and its thickness vibration mode is most commonly used by transducer. The resonance frequency and the conductance are two key parameters of this mode, because they determine the working frequency of transducer and electrical match, respectively. In order to characterize these parameters, the electromechanical equivalent model of thickness vibration mode was established to obtain the admittance equation, and then the key parameters were calculated. Meanwhile, 1-3 piezoelectric composite samples with different structural parameters were prepared and tested, and the theoretical model was verified. Finally, the theoretical model was used to characterize the variation of resonance frequency and conductance with the structural parameters to guide the design of 1-3 piezoelectric composite.

引用

页码：97 / 104

页数：8

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