Journal
MATERIALS LETTERS
Volume 61, Issue 3, Pages 821-823Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2006.05.066
Keywords
austenitic stainless steel; microbiologically influenced corrosion; welding; selective dissolution
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Selective attack in an AISI 304 stainless steel weld metal has been developed after three months in service in well water. Welding zones showed a severe corrosive attack that in some cases led to the steel perforation. Optical and scanning electron microscopy (SEM/EDX) revealed a selective attack. An in-depth analysis showed indications of microbiological activity which could be responsible of the severe attack. (c) 2006 Elsevier B.V. All rights reserved.
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