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

Lam, K.-H. , Lin, D.-M., Kwok, K.-W. and Chan, H. L.-W. (2008) Lead-free piezoelectric-metal-cavity (PMC) actuators. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 55(8), pp. 1682-1685. (doi: 10.1109/TUFFC.2008.853) (PMID:18986912)

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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. Bi 0.5 (Na 0.725 K 0.175 Li 0.1 ) 0.5 TiO 3 (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.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Lam, Dr Koko
Authors: Lam, K.-H., Lin, D.-M., Kwok, K.-W., and Chan, H. L.-W.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Publisher:Institute of Electrical and Electronics Engineers
ISSN:0885-3010
ISSN (Online):1525-8955

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