FIELD: measuring equipment.
SUBSTANCE: determination of the elastic compliances s11E, s12E, s13E, s33E and the piezoelectric moduli d31, d33 are performed on one sample In the form of a disk through which vibrations are excited and the resonance frequencies and the first antiresonance of the sample are measured. Excite the radial and thick oscillations. In addition, the frequency of the first and second overtone of the radial oscillations and the second frequency of the resonance oscillations of the sample along the thickness are excited and measured, and the moduli of the piezoceramic material under study are determined from these frequencies.
EFFECT: increasing the accuracy of determination and informativity of piezoelectric ceramic modules.
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