HRB400钢在模拟混凝土孔隙液中的自然钝化行为及耐蚀性能的研究
史先飞, 陈晓华, 满成

Natural Passivation Behavior and Corrosion Resistance of HRB400 Steel in Simulated Concrete Pore Solution
SHI Xianfei, CHEN Xiaohua, MAN Cheng
表1 HRB400钢在SCPS中钝化不同时间的EIS拟合参数
Table 1 Fitting electrochemical parameters of EIS of HRB400 steel passivated for different time in SCPS

Time

h

Rs

Ω·cm2

CPEf

Ω·s n ·cm-2

nf

Rd

kΩ·cm2

Rf

kΩ·cm2

CPEdl

Ω·s n ·cm2

ndl

Rct

kΩ·cm2

150.113.512 × 10-50.895158.68-2.638 × 10-50.6049126.5
1243.833.465 × 10-50.905476.69-2.686 × 10-50.6752140.4
2451.673.307 × l10-50.8992111.2-2.788 × 10-50.6911335.3
7247.852.455 × 10-50.9364-536.5---
12049.772.474 × 10-50.9393-679.4---
16849.412.306 × 10-50.9462-1468---