期刊
CORROSION SCIENCE
卷 47, 期 2, 页码 279-287出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2004.09.006
关键词
aluminium; EIS; microbiological corrosion; pitting corrosion
As observed before, Al 2024 was passive in artificial seawater (AS) in the presence of a protective biofilm of Bacillus subtilis WB600. When antibiotics were added to the AS to kill the bacteria in the biofilm, pitting occurred within a few hours as indicated by characteristic changes in the impedance spectra. The corrosion potential E-corr decreased at the same time to values observed in sterile AS. Addition of the antibiotics to sterile AS had no effect on corrosion behavior. (C) 2004 Elsevier Ltd. All rights reserved.
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