Effect of Ca2+ and Mg2+ on CO2 Corrosion Behavior of Tube Steel

被引:0
作者
ZHAO Guo-xian [1 ,2 ]
LI Jian-ping [3 ]
HAO Shi-ming [3 ]
L Xiang-hong [2 ]
LI He-lin [1 ,2 ]
机构
[1] Xi′an Jiaotong University
[2] China National Petroleum Corporation
[3] Northeastern University
基金
中国国家自然科学基金;
关键词
tube steel; CO2; corrosion; P110; steel; electrochemical parameter; calcium; magnesium;
D O I
10.13228/j.boyuan.issn1006-706x.2005.01.010
中图分类号
TE980 [一般性问题];
学科分类号
0820 ;
摘要
Effects of Ca2+ and Mg2+ on the CO2 corrosion behaviors of tube steel were studied in simulated oil-field environment.The influence of Ca2+and Mg2+on the corrosion rate and morphologies of corrosion product layer was determined by scanning electron microscope and measuring mass loss.Potentiodynamic polarization and impedance spectroscopy were used to investigate the change of electrochemical characteristic parameters of corrosion product layer and corrosion dynamic process.The results show that with Ca2+ and Mg2+ in electrolyte,the morphologies and microstructures of corrosion product layer changed obviously,thus affecting the corrosion process.
引用
收藏
页码:38 / 42
页数:5
相关论文
共 3 条