OALib Journal期刊
ISSN: 2333-9721
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N80钢CO2腐蚀电极过程交流阻抗分析
, PP. 770-774
Keywords: CO2腐蚀,交流阻抗,N80钢.
Abstract:
利用交流阻抗技术研究了N80钢在不同介质条件下CO2腐蚀交流阻抗图谱的特征.结果表明,N80油套管钢CO2腐蚀EIS曲线具有三个时间常数,其中低频感抗弧与试样表面活化溶解有关,低频容抗弧与试样表面腐蚀产物膜生成有关.随着试样表面腐蚀产物膜覆盖度增大,EIS曲线低频区感抗弧逐渐缩小,容抗弧逐渐扩大.进一步讨论了试样表面腐蚀产物膜成膜情况与电极反应过程的关系.
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