Net-shape Ceramic Processing as a Route to Ultrafine Scale 1-3 Connectivity Piezoelectric Ceramic-polymer Composite Transducers

Cochran, S. , Abrar, A., Kirk, K.J., Zhang, D., Button, T.W., Su, B., Meggs, C. and Porch, N. (2004) Net-shape Ceramic Processing as a Route to Ultrafine Scale 1-3 Connectivity Piezoelectric Ceramic-polymer Composite Transducers. In: 2004 IEEE International Ultrasonics Symposium, Montréal, QC, Canada, 23-27 Aug 2004, pp. 1682-1685. ISBN 9780780384125 (doi:10.1109/ULTSYM.2004.1418147)

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Abstract

In this paper, we report on a new “net-shape” processing method for the fabrication of ultrafine scale 1-3 ceramic structures. We have used Viscous Polymer Processing (VPP), combined with a modified “lost mould” method to obtain lead zirconium titanate (PZT) bristle-blocks with feature sizes of 12 µm – 100 µm and aspect ratios of the order of 3-10. Experimental, 1-3 piezo-composite transducer elements have been assembled and we report on their electrical impedance and pulse-echo behavior and demonstrate a close correlation with computer modeling. We conclude that the processing route we have developed has the potential to extend upwards the frequency range of piezo-composite material beyond existing limits.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cochran, Professor Sandy
Authors: Cochran, S., Abrar, A., Kirk, K.J., Zhang, D., Button, T.W., Su, B., Meggs, C., and Porch, N.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
ISSN:1051-0117
ISBN:9780780384125

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