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
),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
),Yong LI1,Xiaogang LI1,3
图3. E690钢母材(BM)和模拟粗晶热影响区(CGHAZ)、细晶热影响区(FGHAZ)、临界热影响区(ICHAZ)组织的SEM像
Fig.3. SEM images of base metal (BM) (a), simulated coarse grained heat-affected zone (CGHAZ) (b), fine grained heat-affected zone (FGHAZ) (c) and intercritical heat-affected zone (ICHAZ) (d) of E690 steel
