高强钢焊缝金属组织设计与强韧化机理研究进展
陆善平, 孙健

Research Progress on Microstructural Design and Strengthening-Toughening Mechanisms of Weld Metal in High-Strength Steels
LU Shanping, SUN Jian
图7 熔化极气体保护电弧焊和超窄间隙激光焊焊接接头的横截面形貌[65]
Fig.7 Cross-section profiles of the welded joints[65] (FZ—fusion zone, HAZ—heat affected zone, CGHAZ—coarse grained HAZ)
(a) gas metal arc welding (GMAW)
(b) ultra-narrow gap laser welding (U-NGLW)