Ennoblement-A common phenomenon?

F. Mansfeld, C. H. Hsu, Z. Sun, D. Örnek, T. K. Wood

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

A shift of the corrosion potential in the positive direction ("ennoblement") has been observed for cartridge brass and Al 2024 (UNS A92024) exposed to artificial seawater or Luria Bertant growth medium in the presence of bacteria such as B. subtilis. B. licheniformis, or E. coli. Since ennoblement was always accompanied by a reduction of corrosion rates, it can be assumed that natural biofilms produce inhibitive species. The production of polypeptides and polyphosphates by biogenetically engineered bacteria provided additional corrosion protection.

Original languageEnglish (US)
Pages (from-to)187-191
Number of pages5
JournalCorrosion
Volume58
Issue number3
DOIs
StatePublished - Mar 2002

All Science Journal Classification (ASJC) codes

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

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