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journalArticle
Wurzler
Nina
Schutter
Jan David
Wagner
Ralph
Dimper
Matthias
Hecht
Dirk Lützenkirchen
Ozcan
Ozlem
A. Iron
A. Stainless steel
B. Cyclic voltammetry
B. XANES
C. Microbiological corrosion
Abundance of Fe(III) during cultivation affects the microbiologically influenced corrosion (MIC) behaviour of iron reducing bacteria Shewanella putrefaciens
The effect of the presence of Fe(III) during the cultivation on the electrochemical activity and corrosion behaviour of dissimilatory iron reducing bacteria Shewanella putrefaciens was studied by means of ex situ and in situ X-ray absorption near-edge spectroscopy (XANES). Stainless steel AISI 304 and thin iron films were studied as substrates. XANES analysis indicated an accelerated iron dissolution and growth of an oxide/hydroxide film for the culture grown with Fe(III) in comparison to the culture grown in absence of Fe(III). Electrochemical analysis indicated that the biofilm resulted in acceleration of the general corrosion but provides protection against local corrosion.
108855
July 3, 2020
en
http://www.sciencedirect.com/science/article/pii/S0010938X2030305X
2020-07-07 06:52:35
ScienceDirect
Corrosion Science
Corrosion Science
DOI 10.1016/j.corsci.2020.108855
ISSN 0010-938X