title: Effective electroelastic moduli of 3-3(0-3) piezocomposites.
abstract: In a high volume fraction particle-loaded piezocomposite, some ferroelectric particles appear to be in contact, as in a 3-3 connectivity material; others are isolated in the polymer matrix, as in a pure 0-3 connectivity material. Such a material can be considered as a composite of composites characterized by a 3-3(0-3) connectivity. This paper follows two others that have described a matrix method to calculate all of the effective parameters of pure 0-3 and 3-3 connectivity piezocomposites. These previous models are used to obtain the effective properties of a 3-3(0-3) composite. A proportion of 0-3 connectivity in the composite is introduced, and the effective properties are studied as a function of this proportion. Experimental results compared with these predictions show that the model allows an evaluation of the proportion of 0-3 connectivity through the analysis of the electromechanical performance of the composite samples.
authors.affiliation: Ultrasons, Univ. de Tours.
authors.forename: F
authors.initials: F
authors.lastname: Levassort
authors.forename: M
authors.initials: M
authors.lastname: Lethiecq
authors.forename: R
authors.initials: R
authors.lastname: Desmare
authors.forename: T H
authors.initials: TH
authors.lastname: Hue