Q235钢在假单胞菌和铁细菌混合作用下的腐蚀行为
Wuli Huaxue Xuebao/ Acta Physico - Chimica Sinica(2010)
Abstract
采用腐蚀失重法、电化学阻抗谱(EIS)和表面分析技术研究了Q235钢在假单胞菌和铁细菌共同作用下的腐蚀行为.结果表明:与单种菌相比,两种菌混合作用下Q235钢腐蚀受到了抑制.混菌体系中金属电极自腐蚀电位升高,腐蚀电流密度减小,交流阻抗值随时间增大.扫描电子显微镜(SEM)分析结果表明混合菌体系中Q235钢表面形成了均匀致密的腐蚀产物膜.
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Key words
Electrochemical impedance spectroscopy,Iron bacteria,Microbiologically influenced corrosion,Polarization curve,Pseudomonas
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