The effect of polymeric filler on poling behavior and thermal stability of 1-3 piezoelectric composites

Chunying Wang, Rui Zhang, Yujia Jing, Wenwu Cao

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5 Scopus citations

Abstract

In this paper, the influence of polymeric filler with different glass transition temperature (T g) on the poling behavior and thermal stability of 1-3 piezoelectric composites were investigated, with emphasis on the relationship between T g and temperature dependent properties. The results revealed that high poling temperature improves the piezoelectric coefficient by nearly 12% for composites filled with epoxy (Epotek301, T g above room temperature). On the contrary, high temperature gives a negative impact on the poling of composites filled with rubber (Ke45W, T g below room temperature). In addition, it was found that rubber-filled composites possess better temperature stability between room temperature to140 °C, including dielectric and electromechanical properties, compared with epoxy-filled composites.

Original languageEnglish (US)
Article number025301
JournalJournal of Physics D: Applied Physics
Volume49
Issue number2
DOIs
StatePublished - Nov 30 2015

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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