Abstract
A fully micromechanical model is developed for estimating the effective coupled thermo-electro-elastic material coefficients of three-phase piezoelectric structural fiber composites. The implicit formulations are derived based on the thermo-electro-elastic constitutive laws using a novel extended iso-field micromechanical model under multiple loading conditions. Through numerical examples, the effects of different parameters like fiber volume fractions, ratio of the thickness of piezoelectric shell to the radius of fiber as well as matrix properties on the effective material constants of piezoelectric structural fiber composites are investigated. The present micromechanical formulations have been validated through comparisons with other results available in the open literature.
Published Version
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