Abstract

In this work, we studied elastic and electromechanical characteristics and microstructural features of piezoactive ceramic-matrix composites PZT/LiNbO3 with a volume fraction of microcrystalline LiNbO3 filler from 0 to 15 vol. %. The dependences of the complex elastic and electromechanical parameters of composite piezoelectric elements on LiNbO3 microcrystals concentration were measured. It was found that in the formation of the electrophysical properties of ceramic-matrix composites PZT/LiNbO3, the microporosity of the piezoceramic matrix appearing during the composite sintering played a decisive role.

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