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1 经历3个月周期冲刷腐蚀后70Cu-30Ni FeSO4预成膜膜层试样的XPS分析结果

Table 1 XPS analysis results of preformed FeSO4 film on 70Cu-30Ni after three-month erosion.

Flow rate m·s-1 O 1s Mn 2p Fe 2p Ni 2p Cu 2p 0.5 91.30 0.83 5.31 1.18 1.38 1.5 92.40 0.78 4.57 1.12 1.13 2.5 89.91 1.13 5.59 1.53 1.84