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Proceedings Paper

Preparation and electrical properties of 1-3 PZT fiber/IPNs piezoelectric composites
Author(s): J. Liu; D. Y. Tang; X. L. Wu; Y. J. Qiao
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Paper Abstract

Lead zirconate titanate/IPN piezoelectric composites with 1-3 connectivity consisting in Interpenetrating Polymer Networks (IPN) matrix and Lead Zirconate Titanate (PZT) fibers with length of 50um fabricated by the sol-gel route were prepared through solution mixing method. The process of PZT gel fibers formed and the changes of crystal grain sizes during thermal treatment were traced and analyzed by TG-DTA and XRD methods. Then the composites were polarized at 100°C for 45min. The micro patterns of PZT fibers and PZT fibers/IPN composites were observed by polarizing microscopes. The electrical properties studies of 1-3 composites in function of temperatures and frequencies indicate that, the values of electrical parameters of composites detected were all smaller than that PZT and larger than that IPN matrix. Also, the polarized process and polarized mechanism of PZT fiber/IPN composites were discussed in view of dielectric constant results detected. And the detection results of electrical properties show consistency of the theoretical analysis results of composites.

Paper Details

Date Published: 1 November 2007
PDF: 7 pages
Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 642305 (1 November 2007); doi: 10.1117/12.779129
Show Author Affiliations
J. Liu, Harbin Institute of Technology (China)
D. Y. Tang, Harbin Institute of Technology (China)
X. L. Wu, Harbin Institute of Technology (China)
Y. J. Qiao, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 6423:
International Conference on Smart Materials and Nanotechnology in Engineering
Shanyi Du; Jinsong Leng; Anand K. Asundi, Editor(s)

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