P.V. Bazylev, I.Ya. Krumgolts, V.A. Lugovoi

Al’manac of Modern Metrology № 1 (17) 2019, pages 79–86

A standard for reproducing the unit of attenuation coefficient of longitudinal ultrasonic waves in solid media based on contactless capacitive methods of generating and receiving ultrasonic oscillations using echo-pulse and resonant measurement methods, which is part of the State Primary Standard GET 189-2014, is presented.

Key words: State primary standard, ultrasonic waves, attenuation coefficient, capacitive transducer, echo-pulse method, resonance method.

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