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Title: Microbially influenced corrosion: towards an interdisciplinary perspective on mechanisms
Authors: Little, Brenda J.
Hinks, Jamie
Blackwood, Daniel J.
Keywords: Engineering::Materials
Issue Date: 2020
Source: Little, B. J., Hinks, J. & Blackwood, D. J. (2020). Microbially influenced corrosion: towards an interdisciplinary perspective on mechanisms. International Biodeterioration and Biodegradation, 154, 105062-.
Project: CRP-21-2018-0102 
Journal: International Biodeterioration and Biodegradation 
Abstract: A perspective is provided on mechanisms for microbially influenced corrosion by sulfate-reducing bacteria and metal-oxidizing bacteria. The authors discuss the confusion introduced by cross-disciplinary discussions of MIC mechanisms and the divergent terminologies used by microbiologists and electrochemists, e.g. “anaerobic” and “direct electron transfer.” Examination of the cathodic depolarization theory for corrosion of carbon steel by sulfate-reducing bacteria suggests that the theory cannot explain the observations. Stainless steels containing <20% chromium are vulnerable to pitting in the presence of iron and manganese oxides produced by iron- and manganese-oxidizing bacteria, respectively. However, mechanisms for pitting differ between the two oxides. In all cases, understanding mechanisms for microbially influenced corrosion must consider the environment, i.e., the composition of the electrolyte, in addition to the vulnerability of the material in the presence of putative microorganisms. Significant opportunity exists for more integrated approaches to interdisciplinary research and open discourse.
ISSN: 0964-8305
DOI: 10.1016/j.ibiod.2020.105062
Research Centres: Singapore Centre for Environmental Life Sciences and Engineering 
Rights: © 2020 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
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