Laser welding of dissimilar low-alloyed steel-steel butt joints and the effects of beam position and ultrasound excitation on the microstructure
S. Nothdurft, A. Springer, S. Kaierle, H. Ohrdes, J. Twiefel, J. Wallaschek, M. Mildebrath, H.J. Maier, T. Hassel, L. Overmeyer, Journal of Laser Applications 30 (2018).