P2O-4 New Low-Q Ceramic Piezocomposites for Ultrasonic Transducer Applications

Author

Rybianets, Andrey ; Eshel, Yoram ; Kushkuley, Leonid

Author_Institution

Ultrashape Ltd., Tel-Aviv

fYear

2006

fDate

2-6 Oct. 2006

Firstpage

1911

Lastpage

1914

Abstract

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 piezocomposites were developed based on the original microstructural designing concept and characterized by previously unachievable low Q_M (Q_M ^t = 2-5) combined with high piezoelectric (d ₃₃ = 250-350) and electromechanical (k_t = 0.45-0.5) parameters, high Curie point (340degC), low acoustic impedance (15-20 MRayl) in a wide working frequency range (0.2-12 MHz)

Keywords

Curie temperature; Q-factor; acoustic impedance; composite materials; piezoceramics; piezoelectric transducers; piezoelectricity; ultrasonic transducers; ultrasonics; 0.2 to 12 MHz; 1-3 composites; Curie point; PN type ceramics; PZT ceramics; acoustic impedance; electromechanical parameters; low-Q ceramic piezocomposites; piezoelectric parameters; polymer free ceramic piezocomposites; wideband ultrasonic transducer; working frequency range; Acoustic scattering; Ceramics; Crystallization; Damping; Mechanical factors; Particle scattering; Piezoelectric materials; Piezoelectric transducers; Ultra wideband technology; Ultrasonic transducers;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultrasonics Symposium, 2006. IEEE

Conference_Location

Vancouver, BC

ISSN

1051-0117

Print_ISBN

1-4244-0201-8

Electronic_ISBN

1051-0117

Type

conf

DOI

10.1109/ULTSYM.2006.480

Filename

4152336