Relation between mechanical and piezoelectrical behavior of poly(vinylidene fluoride) films

S. Y. Kim, D. H. Choi

Research output: Contribution to journalArticle

Abstract

Mechanical and piezoelectrical properties of undrawn and drawn poly (vinylidene fluoride) films were studied. Effects of poling electric field and draw ratio on the mechanical and piezoelectrical behavior were investigated. The glass transition temperature determined by the dynamic experiment tends to increase slightly with the draw ratio. The β′ peaks of form I which appeared in drawn films were not affected by the changes in draw ratio and poling electric field. The maximum tanδe (by piezoelectrical) temperature below zero tends to increase with the poling electric field. As draw ratio and poling electric field increase, so does the piezoelectric stress constant. The temperature below zero of maximum tanδE (by mechanical) is higher than that of maximum tanδe.

Original languageEnglish
Pages (from-to)771-776
Number of pages6
JournalSynthetic Metals
Volume18
Issue number1-3
DOIs
Publication statusPublished - 1987 Feb
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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