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http://dx.doi.org/10.2514/6.1993-1717

has been cited by the following article:

• TITLE: Nonlinear and Rate-Dependent Hysteretic Responses of Active Hybrid Composites

  AUTHORS: Chien-Hong Lin, Anastasia Muliana

  KEYWORDS: Piezoelectric, Polarization Switching, Micromechanics, Hybrid Composites, Nonlinear Electro-Mechanical Coupling, Viscoelasticity

  JOURNAL NAME: Materials Sciences and Applications, Vol.7 No.1, January 29, 2016

  ABSTRACT: Nonlinear electro-mechanical behaviors of piezoelectric materials and viscoelastic nature of polymers result in the overall nonlinear and hysteretic responses of active polymeric composites. This study presents a hybrid-unit-cell model for obtaining the effective nonlinear and rate-dependent hysteretic electro-mechanical responses of hybrid piezocomposites. The studied hybrid piezocomposites consist of unidirectional piezoelectric fibers embedded in a polymeric matrix, which is reinforced with piezoelectric particles. The hybrid-unit-cell model is derived based on a unit-cell model of fiber-reinforced composites consisting of fiber and matrix subcells, in which the matrix subcells are comprised of a unit-cell model of particle-reinforced composites. Nonlinear electro-mechanical responses are considered for the piezoelectric constituents while a viscoelastic solid constitutive model is used for the polymer constituent. The hybrid-unit cell model is used to examine the effects of different responses of the constituents, microstructural arrangements, and loading histories on the overall nonlinear and hysteretic electro-mechanical responses of the hybrid piezocomposites, which are useful in designing active polymeric composites.