The corrosion behaviours of the welded joints between steels Cr5Mo and A302 (Cr25Ni13) in the H2S containing solution (NACE TM-01-77 standard) were studied.

• 将经不同条件处理后的Cr5Mo+A302异种焊接接头放入NACE(TM-01-77)+H2S标准溶液中进行不同时间的 腐蚀性研究；在扫描电镜(SEM)下逐次原位跟踪观察熔合区同一部位经不同腐蚀时间后的变化过程.