Corrosion protection of iron by α,ω-diphosphonic acid layers

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Abstract

Protective layer formation of α,ω-diphosphono-alkane compounds on iron surface was studied. Layer formation proved to be a spontaneous process on iron, and can be accomplished by simple immersion into an aqueous solution of phosphono compounds, resulting in a thin dense multimolecular adsorption layer with a high corrosion protection effect. The mechanism of inhibition and time dependence of layer formation is presented.

Original languageEnglish
Pages (from-to)695-708
Number of pages14
JournalCorrosion Science
Volume47
Issue number3 SPEC. ISS.
DOIs
Publication statusPublished - Mar 2005

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Keywords

  • Corrosion
  • Impedance spectroscopy
  • Phosphonic acids
  • Protective layer

ASJC Scopus subject areas

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

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