Polymer piezoelectric tubular transducers

Nathaniel Ng, J. Ma, F. Boey*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Piezoelectric tubular transducers are key components for microactuating devices such as ultrasonic motors and devices utilizing piezoceramics outperform their electromagnetic counterparts at miniaturized scales. Incorporating piezoelectric polymers allows the benefits of increased strain and energy density but their use in tubular transducers in bending mode has not been investigated to date. In the present work, the feasibility of adapting a piezoelectric polymer to this device is investigated, with the application of classical beam theory to model the dynamic performance. Experimental results verify a linear constitutive relationship, and indicate a displacement of 0.5 μm at 25 MVm, 25 Hz. © 2006 The Electrochemical Society.
Original languageEnglish
JournalElectrochemical and Solid-State Letters
Volume10
Issue number2
Online published14 Dec 2006
DOIs
Publication statusPublished - Jan 2007
Externally publishedYes

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