10.14489/td.2016.11.pp.004-008

2016, 11 November

DOI: 10.14489/td.2016.11.pp.004-008

Chuprin А. V., Chuprin V. A., Zastava A. P., Sharin P. A.
STANDARDIZATION OF THE ACOUSTIC CHARACTERISTICS OF THE CALIBRATION BLOCKS SO-2, SO-3 FOR ULTRASONIC TESTING ACCORDING TO GOST R 55724–2013
(pp. 4-8)

Abstract. The article is deals with the problems of ensuring the uniformity of measurements during the ultrasound quality control, due to the standardization of metrological characteristics calibration blocks SO-2, SO-3, SO-3R according to GOST R 55724–2013. It is investigated the changes in the attenuation coefficient of ultrasonic waves in the calibration blocks made by different manufacturers and at different times, as well as the effect of heat treatment on its characteristics. Impact of fluctuations in the sound velocity on the error in determining the parameters of the piezoelectric transducers are calculated. It is proposed as a recommendation to ensure the uniformity of measurements of the Russian Federation to develop a national standard that establishes the requirements for calibration blocks SO-2, SO-3, SO-3R, and state verification scheme for them.

Keywords: calibration block, acoustical characteristic, ultrasound attenuation coefficient, sound velocity, piezoelectric transducer, uniformity of measurements, verification scheme.

+ - About the Authors Click to collapse

А. V. Chuprin, V. A. Chuprin, A. P. Zastava, P. A. Sharin (SIC “LUCH” Ltd, Balashiha, Moscow region, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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