70Cu-30Ni合金管FeSO4预成膜及冲刷腐蚀行为分析

杨新宇, 李祯, 段体岗, 黄国胜, 马力, 刘峰, 姜丹

Erosion Corrosion Behavior in Flowing Seawater for 70Cu-30Ni Alloy Pipelines with Chemical Conversion Film Preformed in Flowing FeSO4 Solution

YANG Xinyu, LI Zhen, DUAN Tigang, HUANG Guosheng, MA Li, LIU Feng, JIANG Dan

图3 70Cu-30Ni合金管FeSO4预成膜层经3个月不同流速下冲刷腐蚀后的表面形貌

Fig.3 Corrosion morphologies of 70Cu-30Ni with preformed FeSO4 films after erosion for 3 months at the flow rates of 0.5 m/s (a), 1.5 m/s (b) and 2.5 m/s (c)