New Low-Q Ceramic Piezocomposites for Ultrasonic Transducer Applications

被引：13
|
作者：
Rybianets, Andrey [1 ]
Eshel, Yorarn [1 ]
Kushkuley, Leonid [1 ]
机构：
[1] Ultrashape Ltd, Tel Aviv, Israel
来源：
2006 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-5, PROCEEDINGS | 2006年
关键词：
D O I：
10.1109/ULTSYM.2006.480
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A new family of polymer-free ceramic piezocomposites with properties combining better parameters of PZT, PN type ceramics and 1-3 composites for wide-band ultrasonic transducer applications is presented. New "damped by scattering" ceramic piezoeomposites were developed based on the original microstructural designing concept and characterized by previously unachievable low Q(M) (Q'(M)=2-5) combined with high piezoelectric (d(33)=250-350) and electromechanical (k(t) =0.45-0.5) parameters, high Curie point (340 degrees C), low acoustic impedance (15-20 MRayl) in a wide working frequency range (0.2-12 MHz).
引用
收藏
页码：1911 / 1914
页数：4
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