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Reference installation for measuring acoustic parameters of solids
https://doi.org/10.32446/0368-1025it.2023-2-55-62
Abstract
The issues of providing working standards of the 1st category of metrological organizations of the country with regard to modern needs in the field of ultrasonic measurements in solids are considered. There is presented a modernized reference installation designed for precision measurements of propagation velocities of longitudinal and shear ultrasonic waves and damping coefficient of longitudinal ultrasonic waves in solids. Measurements of acoustic parameters of solid media are made by pulse-echo and resonance methods using contactless broadband capacitive methods of excitation and registration of ultrasonic waves. This installation is used as working standard of the 1st category in accordance with the state verification schedule for measuring instruments of the propagation velocities and damping coefficient of ultrasonic waves in solids. The technical means included in the installation (mechanical and electronic parts) have been improved, analog measuring means have been replaced with digital ones, methods for measuring acoustic parameters of solids based on the use of digital measuring means have been developed and the thickness range of installed ultrasonic measures has been expanded. The composition and main components of the reference installation, the used measurement methods and the principles of operation of the installation in various operating modes are described. The technical and metrological characteristics of the installation are given. Sources of measurement error (uncertainty) were analyzed. The field of application of the results is high-precision measurements of the acoustic characteristics of solid media, metrological ensuring of ultrasonic non-destructive testing and diagnostics.
About the Authors
P. V. Bazylev
Far Eastern Branch of the Russian Metrological Institute of Technical Physics and Radioengineering
Russian Federation
Russian Federation
Petr V. Bazylev
Khabarovsk
V. A. Lugovoi
Far Eastern Branch of the Russian Metrological Institute of Technical Physics and Radioengineering; Mining Institute of the Far Eastern Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Vladimir А. Lugovoi
Khabarovsk
S. L. Snytko
Far Eastern Branch of the Russian Metrological Institute of Technical Physics and Radioengineering
Russian Federation
Russian Federation
Sergey L. Snytko
Khabarovsk
N. S. Andrianova
Far Eastern Branch of the Russian Metrological Institute of Technical Physics and Radioengineering
Russian Federation
Russian Federation
Nadezhda S. Andrianova
Khabarovsk
V. K. Rudakov
Far Eastern Branch of the Russian Metrological Institute of Technical Physics and Radioengineering
Russian Federation
Russian Federation
Vadim K. Rudakov
Khabarovsk
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Review
For citations:
Bazylev P.V., Lugovoi V.A., Snytko S.L., Andrianova N.S., Rudakov V.K. Reference installation for measuring acoustic parameters of solids. Izmeritel`naya Tekhnika. 2023;(2):55-62. (In Russ.) https://doi.org/10.32446/0368-1025it.2023-2-55-62
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