Structural and electrical properties of PZT/PVDF piezoelectric nanocomposites prepared by cold-press and hot-press routes

De Qing Zhang, Da Wei Wang, Jie Yuan*, Quan Liang Zhao, Zhi Ying Wang, Mao Sheng Cao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)

Abstract

The 0-3 PZT/PVDF piezoelectric composites are prepared separately by hot-press and cold-press processes. The effects of the PZT content and the shaping-process on the composites are studied. The experimental results indicate that composites with 70% PZT nanopowders prepared by the hot-press method exhibit excellent piezoelectric and dielectric properties. The maxima of dss and e of the composites prepared by hot-press method are about 30% and 65% higher than those prepared by the cold-press method, respectively. This is mainly attributed to the favourable coupling of the two materials in the process of the hot press and the formation of the β-type PVDF, which possesses better electric properties.

Original languageEnglish
Pages (from-to)4410-4413
Number of pages4
JournalChinese Physics Letters
Volume25
Issue number12
DOIs
Publication statusPublished - 1 Dec 2008

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