Infinite anisotropy of the piezoeffect in PbTiO3-based ferroceramic

E. A. Dul’kin; L. I. Grebenkina; D. I. Makar’ev; A. N. Klevtsov; V. G. Gavrilyachenko

doi:10.1134/1.1262674

Infinite anisotropy of the piezoeffect in PbTiO₃-based ferroceramic

E. A. Dul’kin, L. I. Grebenkina, D. I. Makar’ev, A. N. Klevtsov, V. G. Gavrilyachenko

Research output: Contribution to journal › Article › peer-review

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Abstract

Acoustic emission, dilatometry, and optical microscopy were used to study the polarization of PKR-70 PbTiO₃ ferroceramic samples. It was established that in an electric field higher than 2.5 kV/mm the piezoeffect in the samples acquires an infinite anisotropy, accompanied by acoustic-emission and dilatometric anomalies. It is shown that this anisotropy of the piezoeffect is caused by microcracking of the samples in the direction of the polarizing field.

Original language	English
Pages (from-to)	894-895
Number of pages	2
Journal	Technical Physics Letters
Volume	25
Issue number	11
DOIs	https://doi.org/10.1134/1.1262674
State	Published - Nov 1999
Externally published	Yes

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AU - Klevtsov, A. N.

AU - Gavrilyachenko, V. G.

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N2 - Acoustic emission, dilatometry, and optical microscopy were used to study the polarization of PKR-70 PbTiO3 ferroceramic samples. It was established that in an electric field higher than 2.5 kV/mm the piezoeffect in the samples acquires an infinite anisotropy, accompanied by acoustic-emission and dilatometric anomalies. It is shown that this anisotropy of the piezoeffect is caused by microcracking of the samples in the direction of the polarizing field.

AB - Acoustic emission, dilatometry, and optical microscopy were used to study the polarization of PKR-70 PbTiO3 ferroceramic samples. It was established that in an electric field higher than 2.5 kV/mm the piezoeffect in the samples acquires an infinite anisotropy, accompanied by acoustic-emission and dilatometric anomalies. It is shown that this anisotropy of the piezoeffect is caused by microcracking of the samples in the direction of the polarizing field.

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Infinite anisotropy of the piezoeffect in PbTiO₃-based ferroceramic

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