蒸汽锅炉与蒸汽管路异种金属焊接的腐蚀机理研究
郑彬彬, 周宇航, 朱琦(), 张涛, 王福会
Research on Corrosion Mechanisms of Dissimilar Metal Welding in Steam Boilers and Steam Pipelines
ZHENG Binbin, ZHOU Yuhang, ZHU Qi(), ZHANG Tao, WANG Fuhui

图11. 20#/316L钢焊接接头四点弯曲实验720 h后热影响区截面组织形貌

Fig.11. SEM images of the microstructure near the prefabricated crack of 20#/316L steel welded joint after corrosion test (a-c)