Journal
CORROSION SCIENCE
Volume 102, Issue -, Pages 93-102Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2015.09.023
Keywords
Carbon steel; EIS; SEM; XRD; Microbiological corrosion
Funding
- National Natural Science Foundation of China [51171067]
- Shenzhen strategic emerging industry development special fund project [JCYJ20130401144744190]
- Innovation Foundation of Huazhong University of Science and Technology [2015TS150, 2015ZZGH010]
- Key Laboratory for Large-Format Battery Materials and System, Ministry of Education
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In this paper, the effect of a magneticfield (MF) on biomineralization and corrosion behavior of Q235 carbon steel were studied using surface analysis, weight loss and electrochemical measurements. Experimental results showed that MF inhibited the growth of iron-oxidizing bacteria (LOB) and the corrosion of Q235 carbon steel. MF reduced the largest pit depth by half, while it reduced pit population density from 50 pits cm(-2) to 10 pits cm(-2). MF also altered the morphology of biomineralization film, leading to the formation of a more compact biomineralization film which contributed to the lower corrosion rate. (C) 2015 Elsevier Ltd. All rights reserved.
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