Paper Title:
Energy Efficiency Alloy Design in PSN-PMN-PZT Ceramic System for Piezoelectric Transformer Application
  Abstract

To enhance high power characteristics for piezoelectric transformer, an alloy design approach in PZT base ceramic system was considered. Various Zr/Ti ratio compositions in 0.03Pb(Sb0.5Nb0.5)O3- 0.03Pb(Mn1/3Nb2/3)O3-(0.94-x)PbTiO3-xPbZrO3 (0.445x0.475 mol)[PSN - PMN - PZT] system were synthesized by the conventional bulk ceramic processing technique. To improve high power characteristics at their morphotropic phase boundary (MPB) composition of PSN-PMN-PZT system, various spectra of Zr/Ti ratio were systematically experimented, and their effects on the subsequent piezoelectric properties and dielectric properties for high power piezoelectric transformer application were investigated using an impedance analyzer and a laser vibrometer. Microstructure and phase information were characterized using X-ray diffractometer (XRD) and a scanning electron microscope (SEM). When the Zr/Ti ratios were 0.475/0.465, the mechanical quality factor and electromechanical coupling factor were shown to reach the maximum, indicating that this alloy design can be a feasible composition for high power transformer.

  Info
Periodical
Materials Science Forum (Volumes 510-511)
Edited by
Hyung Sun Kim, Yu Bao Li and Soo Wohn Lee
Pages
690-693
DOI
10.4028/www.scientific.net/MSF.510-511.690
Citation
Y.G. Choi, Y.-J. Son, J. C. Kwon, K.W. Cho, S. Y. Kweon, T. W. Hong, Y. G. Lee, S. L. Ryu, I. H. Kim, M. S. Yoon, S. C. Ur, "Energy Efficiency Alloy Design in PSN-PMN-PZT Ceramic System for Piezoelectric Transformer Application", Materials Science Forum, Vols. 510-511, pp. 690-693, 2006
Online since
March 2006
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Price
$32.00
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