Abstract
It is demonstrated that by analyzing the instantaneous spectrum of an ultrasonic signal transmitted in the shadow mode through the product under study, it is possible to determine the degree of difference in the structure of products made of finely dispersed polymer materials with different contents of one of the polymer components. This cannot be achieved with traditional methods of ultrasonic structuroscopy, based on analyzing the degree of attenuation and measuring the velocity of ultrasound in the material.
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The article was prepared within the framework of State Order no 9.7168.2017/6.7 for higher educational institutions subordinate to the RF Ministry of Education and Science in the field of scientific activities on the topic “Organization of scientific research”.
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Translated by V. Potapchouck
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Kachanov, V.K., Sokolov, I.V., Pervushin, V.V. et al. Structure Analysis of Products Made of Polymer Materials Using Instantaneous Spectra of Ultrasonic Signals. Russ J Nondestruct Test 55, 427–433 (2019). https://doi.org/10.1134/S1061830919060056
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DOI: https://doi.org/10.1134/S1061830919060056