The role of Pseudomonas aeruginosa on the localized corrosion of 304 stainless steel

The influence of Pseudomonas aeruginosa on the corrosion resistance of 304 stainless steel in neutral buffered solutions containing 0.5 M NaCl was studied by using potentiodynamic and potentiostatic techniques complemented with scanning electron microscopy. Results showed that the growth of Pseudomo...

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Bibliographic Details
Published in:Corrosion science 1993, Vol.34 (9), p.1531-1540
Main Authors: Morales, J., Esparza, P., González, S., Salvarezza, R., Arévalo, M.P.
Format: Article
Language:English
Subjects:
Applied sciences
Biodeterioration. Biofouling
Biological and medical sciences
Biotechnology
Corrosion
Corrosion environments
Exact sciences and technology
Freshwater
Fundamental and applied biological sciences. Psychology
Industrial applications and implications. Economical aspects
Metals. Metallurgy
Pseudomonas aeruginosa
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Summary:The influence of Pseudomonas aeruginosa on the corrosion resistance of 304 stainless steel in neutral buffered solutions containing 0.5 M NaCl was studied by using potentiodynamic and potentiostatic techniques complemented with scanning electron microscopy. Results showed that the growth of Pseudomonas aeruginosa in the medium decreased the resistance of the localized corrosion of 304 stainless steel specimens. This effect can be explained by the formation of microcrevices under the biological deposits and by passive film thinning due to the production of aggressive metabolites.
ISSN:0010-938X
1879-0496
DOI:10.1016/0010-938X(93)90246-D