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Preparation and Dielectric Properties of 1-3 La Modified PZT/IPN Piezoelectric Composites

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Abstract:

To prevent the potential cracking of gel fibers, La modified lead zirconate titanate (PLZT) ceramic fibers with diameter within 50µm were achieved by embedding into PLZT powders during the heat treatment. Then the 1-3 PLZT fiber/interpenetrating polymer network (IPN) piezoelectric composites were prepared by casting the IPN precursors onto the well aligned ceramic fibers. The influences of the heating temperatures and La amounts on the dielectric constant, dielectric loss with frequencies and piezoelectric constant of PLZT were investigated in detail. The morphologies of fibers and composites were observed by biological microscope. And also, the dielectric constant of PLZT fibers and PLZT fiber/IPN piezoelectric composites were detected.

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Periodical:

Advanced Materials Research (Volumes 105-106)

Pages:

355-358

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.105-106.355

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Cite this paper

Online since:

April 2010

Authors:

Z.L. Zhu, Dong Yan Tang, X.H. Zhang, Y.J. Qiao

Keywords:

Dielectric Property, IPN, Piezoelectric Composite, PLZT

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