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

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

doi:10.1134/S1023193519010026

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

Авторлар: Chirkunov A.A.¹, Chugunov D.O.¹, Red’kina G.V.¹, Kuznetsov Y.I.¹
Мекемелер:
1. Frumkin Institute of Physical Chemistry and Electrochemistry
Шығарылым: Том 55, № 2 (2019)
Беттер: 115-121
Бөлім: Article
URL: https://journals.rcsi.science/1023-1935/article/view/191858
DOI: https://doi.org/10.1134/S1023193519010026
ID: 191858

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Аннотация

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