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

ZHAOGuo-xian; LIJian-ping; HAOShi-ming; LUXiang-hong; LIHe-lin

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

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Effects of Ca2+ and Mg2+ on the CO2 corrosion behaviors of tube steel were studied in simulated oil-fieldenvironment. The influence of Ca2+ and Mg2+ on the corrosion rate and morphologies of corrosion product layerwas determined by scanning electron microscope and measuring mass loss. Potentiodynamic polarization and im-pedance spectroscopy were used to investigate the change of electrochemical characteristic parameters of corrosionproduct layer and corrosion dynamic process. The results show that with Ca2+ and Mg2+ in electrolyte, the mor-phologies and microstructures of corrosion product layer changed obviously, thus affecting the corrosion process.

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《钢铁研究学报：英文版》 |2005年第1期|38-42|共5页
作者
ZHAOGuo-xian; LIJian-ping; HAOShi-ming; LUXiang-hong; LIHe-lin;
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作者单位

Xi＇anJiaotongUniversity;

Xi＇an710049;

China／／ChinaNationalPetroleumCorporation;

Xi＇an710065;

China;

NortheasternUniversity;

Shenyang110004;

China;

ChinaNationalPetroleumCorporation;

Xi＇an710065;

China;

Xi＇anJiaotongUniversity;

Xi＇an710049;

China／／ChinaNationalPetroleumCorporation;

Xi＇an710065;

China;

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原文格式 PDF
正文语种 chi
中图分类大气腐蚀、气体腐蚀;
关键词
二氧化碳腐蚀; 管钢; 电化学参数; 钙; 镁; 微观结构;

机译：管钢;CO2腐蚀;P110钢;电化学参数;钙;镁;

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

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