10.14489/td.2021.02.pp.006-016

2021, 02 February

DOI: 10.14489/td.2021.02.pp.006-016

Danilov V. N.
ABOUT FEATURES OF CHARACTERISTICS OF A SIGNAL OF THE ANGLE BEAM PROBE WITH COMPOSITE PIEZOPLATE AND VARIOUS TYPES PIEZOELECTRIC CERAMICS
(pp. 6-16)

Abstract. On the basis of computer modelling spectra and pulses of signals of the combined angle beam probe with composite piezoplate with piezoelectric ceramics several types it is shown, that short pulses with the greatest amplitudes are provided with use in piezoplate segnetosoft ceramics (for example, types PZT-5H, APC-850). At use piezoelectric ceramics intermediate type (CTS-19) the maximal amplitude of a pulse of the angle beam probe with such piezoplate appears much less, than for segnetosoft ceramics. Application in composite piezoplate piezoelectric ceramics such as TKS-21 (with the increased anisotropy of factors of electromechanical coupling coefficients) is inexpedient because of small amplitude of a pulse.Use of polymeric matrixes with small wave resistance provides additional increase of amplitude and reduction of length of pulses of angle beam probes.

Keywords: composite piezoplate, angle beam probe, type piezoelectric ceramics, pulse of a signal, amplitude of a pulse, spectrum of a signal, wave resistance, width of a spectrum, polymeric matrix.

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V. N. Danilov (JSC RPA “CNIITMASH”, Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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