Abstract

The practical application of piezoelectric ceramics is applied not only under low electric fields. Therefore, an examination for characteristics of piezoelectric ceramics under high electric fields can contribute to reducing the susceptibility of multifarious applications and to facilitating production of control circuits. These contributions can lead to the expansion of industrial applications. In this research, we fabricated disk-type piezoelectric ceramic samples using conventional methods, measured the resonance characteristics of these samples from low to high voltages driving conditions, and calculated the piezoelectric constants. Resonance frequency and voltage reduction ratio decreased steeply in the specific input voltage sections in PZT-PMNS ceramics.

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