Qi, Xiaonan; Huan, Pengcheng; Wang, Xiaonan; Shen, Xinjun; … - 2022
Laser-MAG hybrid welding has broad application prospects in pipeline steel welding due to the advantages of high penetration and high efficiency. Since there is very little wire and shielding gas reaching the bottom of the molten pool, the inhomogeneous microstructure appeared in the thickness...