NiCu低合金钢在含Cl-的除氧NaHCO3溶液中的腐蚀行为研究
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卢云飞, 阳靖峰, 董俊华, 柯伟
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THE CORROSION BEHAVIOUR OF NiCu LOW ALLOY STEEL IN A DEAERATED BICARBONATE SOLUTION CONTAINING Cl- IONS
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LU Yunfei, YANG Jingfeng, DONG Junhua, KE Wei
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表2 实验材料在浸泡初期的电化学阻抗谱拟合结果 |
Table 2 Fitted results for EIS data measured during stage I |
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Steel | Time | Y0,HF | nHF | Re | Y0,dl | ndl | Rct | Y0,W | | d | S·sn·cm-2 | | W·cm2 | S·sn·cm-2 | | W·cm2 | S·s0.5·cm-2 | NiCu | 1 | - | - | 17.61 | 0.0002497 | 0.8092 | 3280 | 0.03069 | | 4 | - | - | 13.40 | 0.0005871 | 0.8940 | 2234 | 0.01435 | | 10 | - | - | 10.13 | 0.0018340 | 0.8986 | 1291 | 0.02672 | Q235 | 4 | 2.974×10-8 | 1 | 22.47 | 0.0003375 | 0.8380 | 1895 | 0.02753 | | 10 | 2.902×10-8 | 1 | 22.61 | 0.0004578 | 0.8510 | 2229 | 0.04776 | | 17 | 3.365×10-8 | 1 | 22.52 | 0.0006121 | 0.8304 | 1962 | 0.05585 |
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