期刊
CORROSION SCIENCE
卷 132, 期 -, 页码 46-55出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2017.12.006
关键词
Stainless steel; EIS; SEM; XPS; Microbiological corrosion
资金
- Shenzhen strategic emerging industry development special fund project [JCYJ20130401144744190]
- Innovation Foundation of Huazhong University of Science and Technology Innovation Institute [2015TS150, 2015ZZGH010]
Corrosion of two types of antibacterial Cu-bearing 316L stainless steel was investigated in a medium containing sulfate reducing bacteria (SRB) by various surface characterization and electrochemical measurements. The addition of Cu does not improve the resistance of 316L stainless steel to microbiologically influenced corrosion. The anticorrosion performance of 316L-Cu-A is better than 316L-Cu-B, which is believed to be associated with the addition of elements La and Ce, rather than Cu, in the steel. The Cu ions react with sulfides produced by SRB to produce copper sulfide on the steel surface, increasing corrosion of the Cu-bearing stainless steels.
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