欢迎登录材料期刊网

材料期刊网

高级检索

采用电化学阻抗(EIS)、极化曲线、电化学噪声(EN)和扫描电子显微镜(SEM)研究了高氯环境中饱和CO2对13Cr油管钢腐蚀行为的影响.结果表明:饱和CO2加速材料的腐蚀,增大了腐蚀的发生频率,使材料的腐蚀由点蚀转变为均匀腐蚀.碳酸对钝化膜的去羟基化作用和增大钝化膜的导通率,是材料腐蚀行为变化的原因.

参考文献

[1] 王凤平,李晓刚,杜元龙.油气井开发中的CO2腐蚀[J].腐蚀科学与防护技术,2002,14(4):223
[2] Srdjan N.Key issues related to modelling of internal corrosion of oil and gas pipelines-A review[J].Corros.Sci.,2007,49:4308
[3] Veloz M A,Gonz'alez I.Electrochemical study of carbon steel corrosion in buffered acetic acid solution with chlorides and H2S[J].Electrochim.Acta,2002,48:135
[4] He W.Corrosion of stainless steel 316L in simulated formation water environment with CO2-H2S-Cl[J].Corros.Sci.,2009,51,2811
[5] Alonso-Falleiros N,Magri M,Falleiros I G S.Intergranular corrosion in a martensitic stainless steel detected by electrochemical tests[J].Corrosion,1999,55:769
[6] Banas J.Effect of CO2 and H2S on the composition and stability of passive film on iron alloys in geothermal water[J].Electrochim.Acta,2007,52:5704
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%