Cu含量对管线钢耐微生物腐蚀性能的影响
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曾云鹏, 严伟, 史显波, 闫茂成, 单以银, 杨柯
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Effect of Copper Content on the MIC Resistance in Pipeline Steel
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ZENG Yunpeng, YAN Wei, SHI Xianbo, YAN Maocheng, SHAN Yiyin, YANG Ke
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表2 灭菌NS4溶液中的EIS拟合结果
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Table 2 Fitting results of EIS in sterile NS4 solution
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| Steel | Time / d | Rs / (Ω·cm2) | Qdl | Rct / (Ω·cm2) | χ2 |
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| | | Ydl / (S·s n ·cm-2) | ndl | | | | NS-1# | 1 | 193.6 | 1.387 × 10-4 | 0.8365 | 1.733 × 104 | 6.07 × 10-4 | | 2 | 188.8 | 7.166 × 10-5 | 0.8953 | 1.881 × 105 | 8.79 × 10-4 | | 4 | 175.8 | 5.981 × 10-5 | 0.9082 | 4.377 × 105 | 7.93 × 10-4 | | 7 | 169.2 | 5.488 × 10-5 | 0.9110 | 5.946 × 105 | 8.95 × 10-4 | | 14 | 141.9 | 5.519 × 10-5 | 0.9104 | 6.011 × 105 | 9.05 × 10-4 | | NS-2# | 1 | 198.8 | 1.427 × 10-4 | 0.8385 | 6.071 × 104 | 8.29 × 10-4 | | 2 | 196.1 | 5.011 × 10-5 | 0.8915 | 9.385 × 104 | 1.05 × 10-3 | | 4 | 183.6 | 3.830 × 10-5 | 0.9385 | 3.809 × 105 | 9.87 × 10-3 | | 7 | 171.4 | 3.783 × 10-4 | 0.9425 | 5.215 × 105 | 1.01 × 10-3 | | 14 | 148.4 | 4.342 × 10-3 | 0.9478 | 4.932 × 105 | 9.08 × 10-4 | | NS-3# | 1 | 193.4 | 8.350 × 10-5 | 0.8461 | 1.814 × 104 | 6.85 × 10-4 | | 2 | 190.1 | 4.959 × 10-5 | 0.9182 | 1.428 × 105 | 1.15 × 10-3 | | 4 | 179.4 | 4.756 × 10-5 | 0.9369 | 1.956 × 105 | 9.09 × 10-4 | | 7 | 166.5 | 5.263 × 10-5 | 0.9413 | 2.121 × 105 | 5.82 × 10-4 | | 14 | 143.9 | 7.236 × 10-5 | 0.9443 | 1.481 × 105 | 6.28 × 10-4 |
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