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Title: Temperature dependence of the complex effective piezoelectric coefficient of ferroelectric 0-3 composites
Authors: Wong, Chung-kwan
Poon, Ying-ming
Shin, Franklin G.
Subjects: Lead compounds
Composite materials
Piezoelectric materials
Ferroelectric materials
Issue Date: 15-Sep-2002
Publisher: American Institute of Physics
Source: Journal of applied physics, 15 Sept. 2002, v. 92, no. 6, p. 3287-3292.
Abstract: Temperature dependence of the complex effective piezoelectric coefficient d*₃₁for a ferroelectric 0-3 composite of small ceramic volume fraction has been studied. Theoretical predictions are based on our previously derived explicit expression of d₃₁for a dilute dispersion of spherical particles in a continuous matrix [C. K. Wong, Y. M. Poon, and F. G. Shin, Ferroelectrics 264, 39 (2001); J. Appl. Phys. 90, 4690 (2001)]. Comparison is made with the well-known Furukawa’s model and their experimental measurements on a lead zirconate titanate (PZT)/epoxy composite with 13 vol% PZT [T. Furukawa, K. Fujino, and E. Fukada, Jpn. J. Appl. Phys. 15, 2119 (1976)], covering a wide temperature range from -140 to +140 °C. The real part and the imaginary part of the effective piezoelectric coefficient for the composite are investigated separately. Predictions for the real part of d*₃₁agree well with the observed values for temperatures larger than 60 °C, but are larger than the observed values for lower temperatures, while predictions for the imaginary part of d*₃₁give fairly good agreement with the experimental data throughout the temperature range.
Rights: © 2002 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in C. K. Wong, Y. M. Poon & F. G. Shin, J. Appl. Phys. 92, 3287 (2002) and may be found at
Type: Journal/Magazine Article
DOI: 10.1063/1.1503388
ISSN: 0021-8979 (print)
1089-7550 (online)
Appears in Collections:AP Journal/Magazine Articles

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