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


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Abstract

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

About the authors

A. A. Chirkunov

Frumkin Institute of Physical Chemistry and Electrochemistry

Author for correspondence.
Email: chirkunov@inbox.ru
Russian Federation, Moscow, 119071

D. O. Chugunov

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: yukuzn@gmail.com
Russian Federation, Moscow, 119071

G. V. Red’kina

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: yukuzn@gmail.com
Russian Federation, Moscow, 119071

Yu. I. Kuznetsov

Frumkin Institute of Physical Chemistry and Electrochemistry

Author for correspondence.
Email: yukuzn@gmail.com
Russian Federation, Moscow, 119071

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