E690高强低合金钢焊接热影响区典型组织在含SO2海洋环境中的应力腐蚀行为对比研究
马宏驰1,2,杜翠薇1,刘智勇1(),李永1,李晓刚1,3
Comparative Study of Stress Corrosion Cracking Behaviors of Typical Microstructures of Weld Heat-Affected Zones of E690 High-Strength Low-Alloy Steel in SO2-Containing Marine Environment
Hongchi MA1,2,Cuiwei DU1,Zhiyong LIU1(),Yong LI1,Xiaogang LI1,3

图6. U形弯试样弧顶表面CGHAZ组织经过不同时长周浸腐蚀实验后微观形貌的SEM像

Fig.6. SEM images of CGHAZ of U-bend specimen surface after CCT periods of 5 d (a), 10 d (b), 20 d (c), 30 d (d), 40 d (e), 60 d (f) and 90 d (g) (Insets show the enlarged views)