폴리비니리덴플루오라이드 필름의 치수효과에 의한 압전기구(I)

Piezoelectric Mechanism of the PoIy(vinylidene fluoride) Film by Dimensional Effect (I)

  • 김진사 ((주)코오롱 기술연구소) ;
  • 김상용 (서울대학교 공대 섬유공학과)
  • 발행 : 1992.05.01

초록

In order to explore the piezoelectric mechanism of the poly(vinylidene fluoride) (PVDF) film, the true piezoelectric constant was expressed in terms of a combination of measurable mechanical and piezoelectric constant values. Each piezoelectric constant was divided into four subgroups according to their boundary conditions and then their interrelations were derived. In addition, the values of piezoelectric constants by the dimensional effect only were calculated. Thus, if we determine the ten constants of piezoelectric film, we can reveal the contribution of the dimensional effect in the piezoelectric mechanism.

키워드

참고문헌

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