Journal
CORROSION SCIENCE
Volume 65, Issue -, Pages 113-118Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2012.08.009
Keywords
Alloy; Nickel; EIS; Microbiological corrosion
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Microorganisms are able to intensely change the electrochemical conditions at the metal/solution interface by forming biofilms. These changes can result in acceleration of corrosion to corrosion inhibition. In this study microbiologically influenced corrosion inhibition (MICI) has been observed for Ni-Co alloy coatings when two bacteria inoculated to the medium. Experiments were performed in sterile medium and using Aeromonas salmonicida and Clavibacter michiganensis bacteria. After the inoculation of the bacteria, a decrease detected at the E-corr and I-corr values. Highest inhibition efficiency (eta(p) and eta(i)) values were detected for C. michiganensis, as it caused a slower corrosion reaction. (C) 2012 Elsevier Ltd. All rights reserved.
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