The dielectric, mechanical and piezoelectric properties of 3-3 piezoelectric composites

R Ramesh, H Kara, C R Bowen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effective material parameters of the 3-3 piezocomposites are estimated using constitutive equations corresponding to the thickness-mode oscillations of a piezocomposite plate resonator. The dielectric constant ( ε 33 T / ε 0 ), piezoelectric coefficients (d 33 , d 31 , d h , g h and e 33 ), stiffness coefficient ( c 33 E ), electrical impedance spectrum, electromechanical thickness-mode coupling coefficient (k t ), acoustic impedance (Z aco ) of the 3-3 composites are evaluated as a function of piezoceramic/polymer volume fraction. The results are compared with the experimental data. © 2002 Taylor and Francis.
Original languageEnglish
Pages (from-to)383-388
Number of pages6
JournalFerroelectrics
Volume273
DOIs
Publication statusPublished - 2002

Keywords

  • Acoustic impedance
  • Resonators
  • Parameter estimation
  • Piezoelectric materials
  • Stiffness
  • Permittivity
  • Piezoelectric transducers
  • Volume fraction

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