10.14489/td.2018.03.pp.004-014

2018, 03 March

DOI: 10.14489/td.2018.03.pp.004-014

Danilov V. N.
ABOUT FEATURES OF RADIATION AND RECEPTION OF A SIGNAL BY THE ANGLE BEAM PROBE AT THE ULTRASONIC CONTROL OF MATERIAL THROUGH TRANSVERSA IISOTROPIC ELASTIC LAYER
(pp. 4-14)

Abstract. On the basis of model of calculation of displacement quasishear wave which is radiated the angle beam probe in the anisotropic material, receives the formula of displacement of the shear wave excited through transversely isotropic layer. Numerical calculations have shown, that with growth of anisotropy a maximum of directivity characteristic piezoplate the angle beam probe of a direction on a beam index have shown displacement of its aside values of this angle, smaller a nominal beam index. Such displacement depends as on size of anisotropy of a material of a layer and its thickness, and from value of a beam index of the angle beam probe. It is shown, that angles of distribution of an elastic wave in the material, the transversely isotropic layer and a prism of the probe in a mode of reception are similar to the appropriate angles at radiation.

Keywords: angle beam probe, quasishear wave, anisotropy, transversely isotropic layer, thickness of a layer, displacement shear wave, angle of probe, radiation and reception, directivity characteristic, ultrasonic technique, surface of the control.

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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.

+ - References Click to collapse

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