Equivalent parameter model of 1-3 piezocomposite with a sandwich polymer

被引：12
作者：
Zhang, Yanjun [1 ,2 ]
Wang, Likun [1 ,3 ]
Qin, Lei [1 ,2 ,3 ]
机构：
[1] Beijing Informat Sci & Technol Univ, Beijing Key Lab Sensor, Beijing, Peoples R China
[2] Beijing Informat Sci & Technol Univ, Beijing Key Lab Optoelect Measurement Technol, Beijing 100192, Peoples R China
[3] Beijing Informat Sci & Technol Univ, Minist Educ, Key Lab Modern Measurement & Control Technol, Beijing 100192, Peoples R China
来源：
RESULTS IN PHYSICS | 2018年 / 9卷
基金：
中国国家自然科学基金;
关键词：
1-3 piezoelectric composite; Sandwich structure; Constitutive equations; Electromechanical properties; COMPOSITE PIEZOELECTRICS; TRANSDUCER; DESIGN; ARRAY;
D O I：
10.1016/j.rinp.2018.04.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A theoretical model was developed to investigate the performance of 1-3 piezoelectric composites with a sandwich polymer. Effective parameters, such as the electromechanical coupling factor, longitudinal velocity, and characteristic acoustic impedance of the piezocomposite, were predicted using the developed model. The influences of volume fractions and components of the polymer phase on the effective parameters of the piezoelectric composite were studied. The theoretical model was verified experimentally. The proposed model can reproduce the effective parameters of 1-3 piezoelectric composites with a sandwich polymer in the thickness mode. The measured electromechanical coupling factor was improved by more than 9.8% over the PZT/resin 1-3 piezoelectric composite.
引用
收藏
页码：1256 / 1261
页数：6
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