Effect of sulphide pollutants on mild steel corrosion in 3.5% NaCl solutions

X. T. Wang; B. R. Hou

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Effect of sulphide pollutants on mild steel corrosion in 3.5% NaCl solutions

机译：硫化物污染物对3.5％NaCl溶液中低碳钢腐蚀的影响

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Corrosion behaviour of mild steel in 3.5% NaCl solution containing sulphide pollutants was investigated using potentiodynamic polarisation measurement, electrochemical impedance spectroscopy and scanning electron microscopy. Reaction and mechanism of the corrosion process were discussed. The study shows that sulphide concentration had a remarkable effect on pitting corrosion. Sulphide pollutants exhibited inhibition effect with passive film in the initial stage of corrosion. When the passive film breaks down, sulphide would accelerate the corrosion process.

机译：使用电位动力学极化测量，电化学阻抗谱和扫描电子显微镜研究了低碳钢在含硫化物污染物的3.5％NaCl溶液中的腐蚀行为。讨论了腐蚀过程的反应机理。研究表明，硫化物浓度对点蚀具有显着影响。在腐蚀初期，硫化物污染物对钝化膜具有抑制作用。当钝化膜破裂时，硫化物会加速腐蚀过程。

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《Corrosion Engineering, Science and Technology》 |2010年第1期|共4页
作者
X. T. Wang; B. R. Hou;
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正文语种 eng
中图分类金属腐蚀与保护、金属表面处理;
关键词
Sulphide pollutants; Mild steel; Corrosion; Pitting;

机译：硫化物污染物;低碳钢;腐蚀;点蚀;

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3. Effect of sulphide pollutants on mild steel corrosion in 3.5% NaCl solutions [J] . X. T. Wang, B. R. Hou Corrosion Engineering, Science and Technology . 2010,第1期

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Effect of sulphide pollutants on mild steel corrosion in 3.5% NaCl solutions

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