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10. 20#/20#钢和20#/316L钢焊接接头四点弯曲浸泡720 h后热影响区截面SEM形貌

Fig.10. SEM images showing the morphologies of microstructure near the prefabricated cracks of (a) 20#/20# and (b) 20#/316L steel welded joints after corrosion test