Q235钢在不同浓度碳酸氢钠溶液中的有氧腐蚀行为
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薛芳, 刘两雨, 谭龙
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Aerobic Corrosion Process of Q235 Steel in NaHCO3 Solutions
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XUE Fang, LIU Liangyu, TAN Long
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表1 Q235钢在0.01 mol/L NaHCO3溶液中浸泡不同时间的电化学阻抗谱的拟合结果
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Table 1 Fitting results of EIS data of Q235 steel after immersion in 0.01 mol/L NaHCO3 solution
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| Immersion time / d | Rs / Ω·cm2 | Ydl / mS·s n ·cm-2 | n | Rct / Ω·cm2 |
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| 1 | 337.48 | 1.80×10-4 | 0.8277 | 8.87×103 | | 2 | 375.56 | 8.90×10-5 | 0.8309 | 2.71×105 | | 3 | 302.27 | 1.50×10-3 | 0.47323 | 1.26×103 | | 5 | 197.91 | 2.83×10-3 | 0.58144 | 1.14×103 | | 8 | 123.36 | 3.30×10-3 | 0.60857 | 1.33×103 | | 11 | 91.37 | 2.99×10-3 | 0.60178 | 2.61×103 | | 20 | 81.03 | 1.94×10-3 | 0.52553 | 2.69×103 | | 25 | 78.17 | 2.89×10-3 | 0.55379 | 5.21×103 | | 30 | 51.92 | 2.22×10-3 | 0.63309 | 3.78×103 |
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