TY JOUR TI Assembly features of threaded fastenings having various sizes when using shear ultrasonic vibrations KW assembly KW threaded fastenings KW ultrasound KW ultrasonic vibrations JO Science intensive technologies in mechanical engineering AU Nigmetzyanov, R.I. AU Sundukov, S.K. AU Sukhov, A.V. AU Fatyukhin, D.S. PY 2021 IS 2021 PB Bryansk State Technical University