Corrosion protection of ferrous and non-ferrous metals with the anti-rust additive V-15/41 in chloride solutions
https://doi.org/10.61852/2949-3412-2026-4-1-79-90
Abstract
The passivation and protective properties of the anti-rust additive V-15/41 and its composition with 2-mercaptobenzothiazole (2-MBT) were studied on metals: St3 low-carbon steel, MNZh5-1 copper alloy in aqueous chloride and borate buffer solutions. Individually, V-15/41 is capable of spontaneously passivating all the metals studied and improving the local depassivation potential in a borate buffer solution supplemented with 0.01 mol/L NaCl. The composition V-15/41+2-MBT (9 : 1) has the highest passivation properties, for which at 8.0 mmol/L the protective effect on St3 is 0.22 V, and on MNZh5-1 at 4.0 mmol/L the protective effect is 0.38 V. In a 0.01 mol/L NaCl solution at 7.0 mmol/L of the composition V-15/41+ 2-MBT (9:1) MNZh5-1 and St3 is completely protected from corrosion destruction.
About the Authors
M. O. Agafonkina
Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences
Russian Federation
Russian Federation
Leninsky prospect, 31-4, 119071 Moscow
N. P. Andreeva
Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences
Russian Federation
Russian Federation
Leninsky prospect, 31-4, 119071 Moscow
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Review
For citations:
Agafonkina M.O., Andreeva N.P. Corrosion protection of ferrous and non-ferrous metals with the anti-rust additive V-15/41 in chloride solutions. Title in english. 2026;(1):79-90. (In Russ.) https://doi.org/10.61852/2949-3412-2026-4-1-79-90
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