1 实验部分
1.1 实验体系
1.2 实验方法
2 结果与讨论
2.1 开路电位OCP
2.2 电化学阻抗谱EIS
图2 车间底漆(A型)在3.5%NaCl溶液中不同浸泡时间的Nyquist图Fig.2 Nyquist plots of shop primer A after 7-day and 14-day immersion in 3.5% NaCl solution at ambient temperature |
图3 车间底漆(A型)在3.5%NaCl溶液中浸泡14 d的Bode图Fig.3 Bode plot of shop primer A after 14 days immersion in 3.5% NaCl solution at ambient temperature |
图5 车间底漆(B型)在3.5%NaCl溶液中不同浸泡时间的Nyquist图Fig.5 Nyquist plots of shop primer B after different immersion periods in 3.5% NaCl solution at ambient temperature |
图6 车间底漆(B型)在3.5%NaCl溶液中浸泡28 d的Bode图Fig.6 Bode plot of shop primer B after 28-day immersion in 3.5% NaCl solution at ambient temperature |
图7 车间底漆(B型)浸泡7 d至28 d的EIS阻抗谱的等效电路Fig.7 Equivelant circuit for EIS of shop primer B after different immersion periods in 3.5% NaCl solution at ambient temperature |
表1 参数Rt,Fe的拟合结果Table 1 Fitting results of Rt,Fe |
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