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蒸汽锅炉与蒸汽管路异种金属焊接的腐蚀机理研究
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Research on Corrosion Mechanisms of Dissimilar Metal Welding in Steam Boilers and Steam Pipelines
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图7. 20#/20#钢焊接头腐蚀不同时间的微观组织形貌 |
Fig.7. SEM images showing morphologies of 20#/20# steel welded joints in different regions (BM, HAZ, WM) after corrosion test: (a) 240 h, (b) 480 h, (c) 720 h |
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