Title :
K418 and 42CrMo dissimilar metal laser welding
Author :
Ming, Pang ; Jian-Song, Tan ; Jian-Ping, Wang ; Bo, Wu ; Zhi-Min, Jie
Author_Institution :
Substation China North Engine Res. Inst., Langfang, China
Abstract :
The evolution of microstructure and the effect of laser welding velocity, flow rate of side-blow shielding gas and defocusing distance on fusion zone shape during continuous laser welding of dissimilar metals K418 and 42CrMo were investigated.
Keywords :
chromium alloys; crystal microstructure; laser beam welding; molybdenum alloys; nickel alloys; superalloys; CrMo; K418; NiJkJk; continuous laser welding; defocusing distance; fusion zone shape; laser welding velocity; microstructure; side-blow shielding gas flow rate; Engines; Gas lasers; Laser fusion; Laser noise; Microstructure; Neodymium; Optical materials; Power lasers; Surface emitting lasers; Welding; 42CrMo; K418; Laser welding;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292680
