ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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4
Issue
vol 65 / April, 2022
Article

THEORETICAL MODEL OF THERMO-OPTICAL EXCITATION OF ULTRASONIC WAVES IN SOLDERED THIN-WALLED PRODUCTS

I. Y. Kinzhagulov
ITMO University; Associate professor


V. . Bychenok
ITMO University, Saint Petersburg, 197101, Russian Federation; Associate Professor


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Abstract.   A theoretical model of excitation and propagation of ultrasonic waves in thin-walled soldered structure is developed. The waves in question are excited due to thermo-optical effect caused by absorption of pulsed laser radiation in the soldered thin-walled product of space-rocket technique under testing.
Keywords: ultrasonic wave, thermo-optical effect, laser radiation, nondestructive check, soldering.