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Influence of Process Condition on the Dielectric Properties of CCTO-P(VDF-TrFE) 0-3 Composites

Published online by Cambridge University Press:  17 June 2011

Xiaobing Shan ,
Lin Zhang  and
Z.-Y. Cheng
Xiaobing Shan
Affiliation:
Materials Research and Education Center Auburn University, Auburn, AL 36849
Lin Zhang
Affiliation:
Materials Research and Education Center Auburn University, Auburn, AL 36849
Z.-Y. Cheng
Affiliation:
Materials Research and Education Center Auburn University, Auburn, AL 36849
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Abstract

A high dielectric constant was observed in 0-3 composites using P(VDF-TrFE) copolymer as matrix and CaCu3TiO4 (CCTO) ceramic powders as fillers with a composition of 50 vol% CCTO. CCTO-P(VDF-TrFE) 0-3 composites with a CCTO content from 0 to 50 vol% were prepared and their dielectric properties, including frequency dependence and temperature dependence of the dielectric constant and loss, were characterized. It was experimentally observed that the hot-press process, inlcuding the configuration and hot-press time, has a strong influence on the dielectric properties of the composites. Additionally, the influence of the CCTO partice size on the dielectric properties of the composites was studied.

Keywords

compositedielectric propertiespolymer
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1312: Symposium HH/II/JJ – Polymer-Based Materials and Composites—Synthesis, Assembly and Applications , 2011 , mrsf10-1312-hh02-06
Copyright
Copyright © Materials Research Society 2011

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