利用热力学计算方法推断X65钢在CO2饱和模拟油田水中的腐蚀反应阳极机制.结果显示X65钢在CO2饱和模拟油田水中的腐蚀包含两种阳极反应,即Fe接受电子转变为Fe2+和Fe与HCO-3反应形成FeCO3.实验条件下Fe与水作用生成Fe(OH)2的反应的平衡电位高于自腐蚀电位,因此难以进行.通过电化学阻抗谱测试进一步证实了热力学计算的结果.
参考文献
| [1] | Nesic S;Thevenot N.Electrochemical properties of iron dissolution in the presence of CO2-basics revisited[A].Houston:Omnipress,1996 |
| [2] | Crolet J L;Thevenot N;Dugstad A.Role of free acetic acid on the CO2 corrosion of steels[A].Houston:Omnipress,1999 |
| [3] | Pot B F M.Mechanistic models for the prediction of CO2 corrosion rates under multi-phase flow conditions[A].Houston:Omnipress,1995 |
| [4] | Linter B R;Burstein G T .Reaction of pipeline steels in carbon dioxide solutions[J].Corrosion Science,1999,42(02):117-139. |
| [5] | Xia Z;Chou K C;Smialowska Z S .Pitting corrosion of carbon steel in CO2-containing NaCl brine[J].CORROSION,1989,45(08):636-647. |
| [6] | 张学元;邸超;雷良才.二氧化碳腐蚀与控制[M].北京:化学工业出版社,2000 |
| [7] | de Waard C;Milliams D E .Carbonic acid corrosion of steel[J].Corrosion,1975,31(05):177-181. |
| [8] | Davies D H;Burstein G T .The effects of bicarbonate on the corrosion and passivation of iron[J].Corrosion,1980,36(08):416-422. |
| [9] | Schmitt G.Fundamental aspects of CO2 corrosion[A].Houston:Omnipress,1984 |
| [10] | Ogundele G I;White W E .Some observations on corrosion of carbon steel in aqueous environments containing carbon dioxide[J].Corrosion,1986,42(02):71-78. |
| [11] | S. Nesic;J. Postlethwaite;S. Olsen .An Electrochemical Model for Prediction of Corrosion of Mild Steel in Aqueous Carbon Dioxide Solutions[J].Corrosion: The Journal of Science and Engineering,1996(4):280-294. |
| [12] | 姚允斌.物理化学手册[M].上海:上海科学技术出版社,1985 |
| [13] | 曹楚南.腐蚀电化学原理[M].北京:化学工业出版社,2004 |
| [14] | 曹楚南;张鉴清.电化学阻抗谱导论[M].北京:科学出版社,2002 |
| [15] | 曹楚南 .混合电位下的法拉第导纳[J].中国腐蚀与防护学报,1993,13(02):91-100. |
| [16] | Cao C N .On the impedance plane displays for irreversible electrode reactions based on the stability conditions of the steady-state-I.one state variable besides electrode potential[J].Electrochimica Acta,1990,35(05):831-836. |
| [17] | Cao C N .On the impedance plane displays for irreversible electrode reactions based on the stability conditions of the steady-state-II.two state variable besides electrode potential[J].Electrochimica Acta,1990,35(05):837-844. |
| [18] | 张国安 .高温高压CO2腐蚀产物膜力学性能及腐蚀电化学行为的研究[D].北京:北京科技大学,2006. |
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