Q235钢在不同浓度碳酸氢钠溶液中的有氧腐蚀行为
|
|
薛芳, 刘两雨, 谭龙
|
Aerobic Corrosion Process of Q235 Steel in NaHCO3 Solutions
|
|
XUE Fang, LIU Liangyu, TAN Long
|
|
表2 Q235钢在0.1 mol/L NaHCO3溶液中浸泡不同时间的电化学阻抗谱的拟合结果
|
Table 2 Fitting results of EIS data of Q235 steel after immersion in 0.1 mol/L NaHCO3 solution
|
|
| Immersion time / d | Rs / Ω·cm2 | Ydl / mS·s n ·cm-2 | n | Rct / Ω·cm2 | Yw / mS·s n ·cm-2 |
|---|
| 1 | 43.26 | 8.5×10-5 | 0.8406 | 1.42×105 | --- | | 2 | 50.63 | 5.5×10-5 | 0.8743 | 3.58×104 | 2.09×10-7 | | 3 | 50.95 | 4.0×10-5 | 0.9017 | 6.58×104 | 8.78×10-7 | | 5 | 49.18 | 3.5×10-5 | 0.9121 | 5.63×104 | 1.11×10-6 | | 8 | 46.76 | 3.3×10-5 | 0.9112 | 2.95×104 | 1.64×10-7 | | 11 | 44.90 | 3.3×10-5 | 0.9046 | 1.98×104 | 7.37×10-7 | | 20 | 40.48 | 9.3×10-5 | 0.8542 | 2.05×103 | 3.51×10-4 | | 25 | 39.79 | 8.4×10-5 | 0.8629 | 1.96×103 | 1.65×10-5 | | 30 | 37.07 | 1.1×10-4 | 0.8332 | 1.52×103 | 1.95×10-3 |
|
|
|