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Corrosion control by conducting polyaniline

Dilip R. Peshwe Shailkumar U. Pathak Pravin P. Deshpande 1

1. Visvesvaraya National Institute of TechnologyE (VNIT), N.Ambazari road, Nagpur 440 011, India


By using potentiodynamic , galvano static and potentiostatic polarization , conducting polyaniline coatings are obtained on low carbon low alloy steel in aqueous oxalic acid. These coatings were characterized by spectro photometry and raman analysis . It has been shown that the extent of steel protection in aqueous acidic medium is governed by amount of conducting phase of polyaniline . The coating is able to withstand defects because of Leucoemeraldine to emeraldine transformation .
Key words - Conducting polyaniline, corrosion control.


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Presentation: oral at E-MRS Fall Meeting 2004, Symposium I, by Pravin P. Deshpande
See On-line Journal of E-MRS Fall Meeting 2004

Submitted: 2004-04-30 13:06
Revised:   2009-06-08 12:55