Corrosion performance of polyaniline-polypyrrole composite coatings applied to low carbon steel

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Abstract

Polyaniline-polypyrrole composite coatings were electrochemically deposited on low carbon steel using an aqueous electrochemical process. In a previous investigation by the present authors, it has been demonstrated that the electrochemical deposition parameters affect the chemical structure and morphology of the coatings. In the present paper, the corrosion performance of these coatings is reported. Direct current polarisation tests were used to measure the corrosion rate of the coatings. It was shown that applied potential and molar feed ratio of monomers strongly influence the corrosion resistant properties of the coatings. It was also shown that the corrosion performance of the coatings was better when the adhesion strength of the coatings increased.

Original languageEnglish (US)
Pages (from-to)59-63
Number of pages5
JournalSurface Engineering
Volume18
Issue number1
DOIs
StatePublished - Jan 1 2002

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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