The importance of live biofilms in corrosion protection

Rongjun Zuo, Esra Kus, Florian Mansfeld, Thomas K. Wood

Research output: Contribution to journalLetterpeer-review

96 Scopus citations


As observed before, Al 2024 was passive in artificial seawater (AS) in the presence of a protective biofilm of Bacillus subtilis WB600. When antibiotics were added to the AS to kill the bacteria in the biofilm, pitting occurred within a few hours as indicated by characteristic changes in the impedance spectra. The corrosion potential Ecorr decreased at the same time to values observed in sterile AS. Addition of the antibiotics to sterile AS had no effect on corrosion behavior.

Original languageEnglish (US)
Pages (from-to)279-287
Number of pages9
JournalCorrosion Science
Issue number2
StatePublished - Feb 2005

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)


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