@article{Nigmetzyanov2020ultrasonic, author={Nigmetzyanov, R.I. and Sundukov, S.K. and Fatyukhin, D.S.}, title={Ultrasonic oscillation superposition during welding}, journal={Science intensive technologies in mechanical engineering}, publisher={Bryansk State Technical University}, year={2020}, pages={29-33}, volume={2020}, issue={10}, }