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Microbiological influenced corrosion resistance characteristics of a 304L-Cu stainless steel against Escherichia coli
L.; Xu Nan, D. K.; Gu, T. Y.; Song, X.; Yang, K.
2015
Source PublicationMaterials Science & Engineering C-Materials for Biological Applications
ISSN0928-4931
Volume48Pages:228-234
AbstractCu-bearing antibacterial stainless steels have been gaining popularity in recent years due to their strong antibacterial performances. However, only a few studies were reported for their actual performances against microbiologically influenced corrosion (MIC). In this study, electrochemical methods and surface analytical techniques were applied to study the MIC resistance characteristics of a 304L-Cu stainless steel (SS) against Escherichia coli in comparison with 304L SS as control. Corrosion tests for specimens after a 21-day exposure to a Luria-Bertani (LB) culture medium with E. coli demonstrated that the 304L-Cu SS considerably reduced the maximum MIC pit depth and the specific weight loss compared with 304L SS (83 mu m and 02 mg/cm(2) vs. 13.4 mu m and 0.6 mg/cm(2)). Potentiodynamic polarization tests showed that the corrosion current density of the 304L-Cu SS was as much as 4 times lower than that of the 304L SS, indicating that the 304L-Cu SS is abetter choice for applications in MIC-prone environments. (C) 2014 Elsevier B.V. All rights reserved.
description.department[nan, li ; xu, dake ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china. [gu, tingyue] ohio univ, inst corros & multiphase technol, dept chem & biomol engn, athens, oh 45701 usa. [song, xiu] northeastern univ, sch met & mat, key lab anisotropy & texture mat, shenyang 110819, peoples r china. ; nan, l (reprint author), chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; lnan@imr.ac.cn ; kyang@imr.ac.cn
Keyword304l Stainless Steel Mic Pitting Corrosion Copper Antibacterial Stainless Steel Sulfate-reducing Bacteria Pitting Corrosion Carbon-steel Cu 304-stainless-steel Behavior Biocorrosion Combination Mitigation Chemistry
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73891
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
L.,Xu Nan, D. K.,Gu, T. Y.,et al. Microbiological influenced corrosion resistance characteristics of a 304L-Cu stainless steel against Escherichia coli[J]. Materials Science & Engineering C-Materials for Biological Applications,2015,48:228-234.
APA L.,Xu Nan, D. K.,Gu, T. Y.,Song, X.,&Yang, K..(2015).Microbiological influenced corrosion resistance characteristics of a 304L-Cu stainless steel against Escherichia coli.Materials Science & Engineering C-Materials for Biological Applications,48,228-234.
MLA L.,et al."Microbiological influenced corrosion resistance characteristics of a 304L-Cu stainless steel against Escherichia coli".Materials Science & Engineering C-Materials for Biological Applications 48(2015):228-234.
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