A Novel 3 Phase Multi-Elements Composite for Transducer Array Application

被引：5
|
作者：
Wang Likun [1 ]
Dong Tianxiao [1 ]
Li Li [1 ,2 ]
Qin Lei [1 ,3 ]
机构：
[1] Beijing Informat Technol Inst, Beijing Key Lab Sensor, Beijing 100101, Peoples R China
[2] Shenyang Inst Chem Technol, Comp Sci & Technol Dept, Shenyang 110142, Peoples R China
[3] Beijing Univ Posts & Telecommun, Coll Automat, Beijing 100876, Peoples R China
来源：
FERROELECTRICS LETTERS SECTION | 2009年 / 36卷 / 1-2期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
piezoelectric Composite; multi-elements; fabrication; properties;
D O I：
10.1080/07315170802520060
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A novel 3 phase (ceramic, epoxy resin and de-coupling material) piezoelectric composite with multi-elements in parallel connection has been developed by using dice-filled technology. The piezoelectric and electromechanical properties of the composite were determined, the resonance uniformity and acoustic coupling between elements in composite were investigated. The results exhibited the piezoelectric coefficient d33 of 400 pC/N, sound velocity of 3100 m/s, acoustic characteristic impedance of 14.3 MPas/m, thickness electromechanical coupling coefficient of 0.4, resonance frequency difference between elements was smaller than 0.76%, acoustic attenuation between adjacent element achieved 94%.
引用
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页码：1 / 11
页数：11
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