EH40钢在添加不同浓度锌离子海水中浸泡不同时间的电化学阻抗谱(A1-D1:分别为浸泡0周、1周、2周、4周试样的Nyquist图;A2-D2:分别为浸泡0周、1周、2周、4周试样的Bode图)。
等效电路示意图
EH40钢在添加不同浓度锌离子的海水中的电荷转移电阻(Rct)随时间的变化曲线
Electrochemical impedance spectra of EH40 steel immersed in seawater added different concentrations of zinc ions for different time (A1-D1: Nyquist plots of samples immersed for 0 week, 1 week, 2 weeks and 4 weeks respectively; A2-D2: Bode plots of samples immersed for 0 week, 1 week, 2 weeks and 4 weeks respectively)。
Schematic diagram of equivalent circuit。
Variation of charge transfer resistance (Rct) vs. time of EH40 steel in seawater added different concentrations of zinc ions