Abstract
A micromechanics-based analytical model is developed to evaluate the performance of 1-3-2piezoelectric composite where both matrix and fiber materials are piezoelectrically active.A parametric study is conducted to investigate the influence of the ceramic base and thefiber volume fraction on the modified 1-3 composite. The performance of the1-3-2 composite as a transducer for underwater acoustics and biomedical imagingapplications has been analyzed. The proposed model is capable of predictingthe effective properties of the composite subjected to thermoelectromechanicalloading conditions. Simulated results of 1-3 type piezocomposite compare well withexperimentally measured data reported in the literature (Taunaumang et al 1994 J.Appl. Phys. 76 484–9). The present study demonstrates that the low end ceramicbase volume fraction of 1-3-2 composite yields comparative performance with1-3 type composite. It is observed that the influence of thermal effects on theeffective properties of the composite also induces the polarization in the composite.
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