溶解氧和流速对B30铜镍合金在海水中成膜的影响

陈翰林, 马力, 黄国胜, 杜敏

Effect of Dissolved Oxygen and Flow Rate of Seawater on Film Formation of B30 Cu-Ni Alloy

CHEN Hanlin, MA Li, HUANG Guosheng, DU Min

表1 B30铜镍合金不同溶解氧浓度的海水中电化学阻抗拟合数据

Table 1 Fitting parameters of EIS of B30 Cu-Ni alloy in seawater with the different concentrations of dissolved oxygen

DO / mg·kg-1 T / d Rct / kΩ·cm2 ndl Rf / kΩ·cm2 nf 3.5 1 8494 0.84 --- --- 5 7970 0.84 --- --- 11 30959 0.81 10.7 0.71 15 21751 0.78 14.3 0.68 19 26838 0.81 18.8 0.66 8.0 1 9829 0.95 30.9 0.82 5 11796 0.84 7.3 0.84 11 11244 0.73 9.4 0.73 15 143320 0.84 20.4 0.76 19 18237 0.85 13.9 0.78 14.0 1 141140 0.63 899.1 0.77 5 43897 0.91 7.0 0.87 11 504910 0.70 2846.0 0.80 15 2628400 0.63 10547.0 0.80 19 1947900 0.68 14675.0 0.82