腐蚀
极化(电化学)
阳极
材料科学
点蚀
铜绿假单胞菌
电化学
胞外聚合物
冶金
X射线光电子能谱
核化学
化学
化学工程
生物膜
电极
细菌
生物
工程类
物理化学
遗传学
作者
Jinlong Zhao,Da Sun,Mohammed Arroussi,Tongyu Lian,Xinrui Zhang,Chengwen Yang,Ke Yang
标识
DOI:10.1016/j.corsci.2022.110592
摘要
Anodic polarization treatment was used to investigate microbiologically influenced corrosion (MIC) behavior of 316 L-Cu stainless steel (SS) against marine Pseudomonas aeruginosa using electrochemical tests and morphology observation techniques. The results indicated that anodic polarization treatment endowed 316 L-Cu SS with a decreased corrosion current and increased pitting potential in comparison with conventional 316 L SS and 316 L-Cu SS incubated in a biotic medium. The surface morphology observations combined with XPS analysis found that 316 L-Cu SS effectively inhibited bacterial reproduction and promoted the formation of a dense protective extracellular polymeric substance (EPS)-Fe membrane, leading to less susceptibility to pitting corrosion than 316 L SS.
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