22MnB5热成形钢板钨极氩弧焊接性能
李欣, 王刚, 陆冠含, 谷诤巍, 徐虹

Weldability of 22MnB5 after hot stamping by TIG welding processes
LI Xin, WANG Gang, LU Guan-han, GU Zheng-wei, XU Hong
图3 焊缝金属的微观组织
Fig.3 Microstructures of the weld metal