The Influence of Steel Surface Modifying with Zinc Complexes of Phosphonic Acids on the Efficiency of Its Passivation by Organic Inhibitors

A. A. Chirkunov A. A. Chirkunov , D. O. Chugunov D. O. Chugunov , G. V. Red’kina G. V. Red’kina , Yu. I. Kuznetsov Yu. I. Kuznetsov
Российский электрохимический журнал
Abstract / Full Text

The efficiency of films prepared in aqueous solutions of organic inhibitors on the surface of low-carbon steel preliminarily modified in solutions of zinc complexes with 1-hydroxyethane-1,1-diphosphonic (Zn-HEDP) or aminotrimethylenephosphonic acids (Zn-AMP) is studied by electrochemical and corrosion methods. It is shown that modifying considerably increases the efficiency of passivation and that Zn-AMP is much more efficient in this respect than Zn-HEDP

Author information
  • Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, 119071, Russia

    A. A. Chirkunov, D. O. Chugunov, G. V. Red’kina & Yu. I. Kuznetsov

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