Ceramic matrix piezocomposites: microstructural features and dielectric properties

A. N. Rybyanets; Рыбянец А. Н.; A. V. Nasedkin; Наседкин А. В.; N. A. Shvetsova; Швецова Н. А.; E. I. Petrova; Петрова Е. И.; M. A. Lugovaya; Луговая М. А.; I. A. Shvetsov; Швецов И. А.

doi:10.31857/S0367676523702290

Ceramic matrix piezocomposites: microstructural features and dielectric properties

Autores: Rybyanets A.¹, Nasedkin A.¹, Shvetsova N.¹, Petrova E.¹, Lugovaya M.¹, Shvetsov I.¹
Afiliações:
1. Institute of Physics, Southern Federal University
Edição: Volume 87, Nº 9 (2023)
Páginas: 1301-1307
Seção: Articles
URL: https://journals.rcsi.science/0367-6765/article/view/135488
DOI: https://doi.org/10.31857/S0367676523702290
EDN: https://elibrary.ru/JELGLO
ID: 135488

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Resumo

A new method for the fabrication of ceramic-matrix piezocomposites (CMC) ceramics/ceramics has been developed. Samples of piezoactive PZT/PZT composites with a mass concentration of components from 0 to 50% have been obtained. The study of microstructural and gravimetric features, as well as the dielectric properties of CMC, has been carried out. Finite element modeling and experimental study of CMC properties in the region of dielectric percolation transition have been performed. It is shown that the developed method for manufacturing CMC provides the formation of microhomogeneous composite structures with a uniform distribution of ceramic filler particles in a microporous piezoceramic matrix without the formation of transition regions and additional crystalline phases.

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