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研究论文

CO_2环境中P110钢阳极溶解过程EIS特征

  • 李静 ,
  • 孙冬柏 ,
  • 俞宏英 ,
  • 李辉勤 ,
  • 孟惠民 ,
  • 杨德钧
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  • 北京科技大学材料科学与工程学院腐蚀与防护中心!北京100083,北京科技大学材料科学与工程学院腐蚀与防护中心!北京100083,北京科技大学材料科学与工程学院腐蚀与防护中心!北京100083,北京科技大学材料科学与工程学院腐蚀与防护中心!北京100083,北京科技大学材料科学与工程学院

收稿日期: 2001-02-28

  修回日期: 2001-02-28

  网络出版日期: 2001-02-28

EIS Characteristics of Anodic Dissolution for P110 Steel under CO_2 Environment

  • LI Jing  ,
  • SUN Dong bai ,
  • YU Hong ying ,
  • MENG Hui min ,
  • LI Hui qin ,
  • YANG De jun
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  • (Corrosion and Protection Center, School of Material Science and Engineering, University of Science and Technology Beijing 10083) LU Min?xu, YAN Mi lin, ZHAO Guo xi

Received date: 2001-02-28

  Revised date: 2001-02-28

  Online published: 2001-02-28

摘要

研究了P110油管钢在CO2 饱和的模拟油田采出液中 ,阳极极化下的EIS谱随温度的变化规律 .结果表明 :在低于 90℃的范围内 ,存在一个谱图转变临界温度 ,临界温度之下为三个时间常数型谱图 ,临界温度之上为两个时间常数型谱图 .从阳极反应机理和CO2 腐蚀特征出发对试验结果进行了解释 .

本文引用格式

李静 , 孙冬柏 , 俞宏英 , 李辉勤 , 孟惠民 , 杨德钧 . CO_2环境中P110钢阳极溶解过程EIS特征[J]. 电化学, 2001 , 7(1) : 120 -125 . DOI: 10.61558/2993-074X.3244

Abstract

Effect of temperature on the electrochemical impedance spectroscopy for P110 steel at anodic polarized potential was investigated in simulated CO 2 saturated oil produced water. The results demonstrated that in the range from room temperature to 90 ℃, there was a critical temperature , below which a three time constant impedance spectrum was observed and above which a two time constant spectrum was shown. A reasonable explanation was given to this phenomenon in an effort to elucidate the mechanism of anodic dissolution and characteristics of CO 2 corrosion.

参考文献

[1] PalaciosC .A ,ShadleyJ .R .CharacteristicsofcorrosionscalesonsteelsinaCO2 saturatedNaClbrine [J].Corrosion ,1991,4 7(2 ) :12 2 . [2 ] Lijing ,et .CorrosionmechanismofsteelP110inCO2 containingsimulatedoilfieldbrine [J].JournalofChi neseSocietyforCorrosionandProtection .1999,19(5) :2 85. [3] Arnedugstad ,LivLunde .ParametricstudyofCO2 corrosionofcarbonsteel [A].In :NACEInternational,Corrosion/ 94 [C],Houston ,Texas :NACEInternational,PublicationDivision ,1994 :1~ 16 . [4 ] CaoChunan .OntheEquivalentCircuitsofFaradaicImpedanceofIrreversibleElectrodeReactions [J].Jour nalofChineseSocietyForCorrosionandProtection .,1990 ,10 (2 ) :159.
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