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
表2 FeSO4预成膜处理的70Cu-30Ni合金管不同流速冲刷腐蚀后电化学阻抗拟合结果
Table 2 Fitting results of EIS of 70Cu-30Ni with preformed FeSO4 film after erosion at different
Flow rate / m·s-1Rs / Ω·cm2Rc1 / Ω·cm2Cc1 / F·cm-2Rc2 / Ω·cm2Qc2 / F·cm-2nc2Rct / Ω·cm2Qdl / F·cm-2n
025.71582.07×10-79075.85×10-70.832.37×1052.98×10-50.46
0.522.52052.98×10-98.57×1031.13×10-60.732.28×1056.91×10-60.46
1.519.029.46.13×10-99051.16×10-50.828.77×1043.70×10-60.48
2.526.55.971.73×10-66493.17×10-50.836.51×1042.54×10-50.48