Lead-free piezoelectric-metal-cavity (PMC) actuators

Kwok Ho Lam; Dun Min Lin; Kin Wing Kwok; Helen Lai Wa Chan

doi:10.1109/TUFFC.2008.853

Lead-free piezoelectric-metal-cavity (PMC) actuators

Kwok Ho Lam, Dun Min Lin, Kin Wing Kwok, Helen Lai Wa Chan

Research output: Journal article publication › Journal article › Academic research › peer-review

4 Citations (Scopus)

Abstract

A piezoelectric piezoelectric-metal-cavity (PMC) actuator was reported previously that can exhibit a large flexural displacement. In this paper, a lead-free piezoelectric ceramic was used as a driving element of the PMC actuator. Bi0.5(Na0.72BK0.175Li0.1)0.5TiO3(abbreviated as BNKLT) is a soft-type piezoelectric ceramic with good piezoelectric properties at room temperature. Both the electrical and mechanical properties of the BNKLT PMC actuator were measured. With good piezoelectric coefficients and low density, the BNKLT ceramic has the potential to be used as the driving element of the lead-free actuator.

Original language	English
Article number	4589182
Pages (from-to)	1682-1685
Number of pages	4
Journal	IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume	55
Issue number	8
DOIs	https://doi.org/10.1109/TUFFC.2008.853
Publication status	Published - 1 Aug 2008

ASJC Scopus subject areas

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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10.1109/TUFFC.2008.853

http://hdl.handle.net/10397/402

Cite this

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Lead-free piezoelectric-metal-cavity (PMC) actuators

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