C和W对低合金Cr-Mo钢焊缝金属组织和冲击韧性的影响

朱高文, 吴栋, 陆善平

Effect of C- and W-content on Microstructure and Toughness of Weld Metal for Low Alloy Cr-Mo Steel

ZHU Gaowen, WU Dong, LU Shanping

图5 表层焊缝各亚区显微组织的SEM图

Fig.5 SEM images of various zones in upper weld metal (a) Melt zone (MZ), (b) Coarse grain heat affected zone (CGHAZ), (c) Fine grain heat affected zone (FGHAZ), (d) Inter-critical heat affected zone (ICHAZ), (e) Inter-critical coarse grain heat affected zone (ICCGHAZ), (f) Sub-critical heat affected zone (SCHAZ)