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Ultrasonic Transducers by K Nakamura

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3

Piezoelectric ceramics for transducers

K. Uchino,     The Pennsylvania State University, USA and Office of Naval Research – Global, Japan

Abstract:

This chapter reviews the history of piezoelectric materials in the following order: quartz, Rochelle salt, barium titanate, lead zirconate titanate, Pb(Zr,Ti)O3 (PZT), lithium niobate/tantalate, relaxor ferroelectrics, PVDF, Pb-free piezoelectrics and composites. The detailed performance in conjunction with transducer applications is described.

Key words

piezoelectric material

quartz

Rochelle salt

barium titanate

lead zirconate titanate

relaxor ferroelectrics

Pb-free piezoelectrics

electromechanical coupling factor

3.1 The history of piezoelectrics

The author hopes that the reader, in learning ...

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