低铬钢上缓蚀剂的缓蚀行为及其与腐蚀产物膜的协同作用

1.华中科技大学化学系,湖北,武汉,430074

2.华中科技大学化学系,湖北,武汉,430074

3.华中科技大学化学系,湖北,武汉,430074

Inhibition Behavior and Synergistic Effect of Inhibitor with Corrosion Product Scale on Low Cr Steel in CO2-Saturated Solution

缓蚀剂被广泛应用于防止油气生产工业中CO2的腐蚀.利用极化曲线和交流阻抗技术对3种缓蚀剂在低铬钢光洁表面和预腐蚀产物膜上的缓蚀行为进行了初步研究.结果表明,含S缓蚀剂在低铬钢基体表面和预腐蚀产物膜上都有较好的缓蚀性能;小分子缓蚀剂和预腐蚀产物膜之间具有较好的协同作用.

[1]	Sayed M .Effect of Flow and pH on CO2 Corrosion and Inhibition[D].Corrosion and Protection Centre,UMIST,1989.
[2]	Malik .Influence of quarternary amine alkyl chain length on corrosion inhibition of mild steel in CO2 saturated 5% NaCl solution at pH6[J].British Corrosion Journal,1997,32(02):150-152.
[3]	S. Ramachandran;S. Campbell;M. B. Ward .Interactions and properties of corrosion inhibitors with by-product layers[J].Corrosion: The Journal of Science and Engineering,2001(6):508-515.
[4]	Jovancicevic V .Inhibition of Carbon Dioxide Corrosion of Mild Steel by Imidazolines and Their Precursor[J].Corrosion,1999,55(05):449-455.

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