- PII
- S0207401X25010033-1
- DOI
- 10.31857/S0207401X25010033
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 44 / Issue number 1
- Pages
- 26-35
- Abstract
- The kinetics of cathodic reduction of hydrogen on low-carbon steel in 2 M HCl (t = 25 °C) containing corrosion inhibitors – catamine AB and IFKhAN-92 – was studied. The main rate constants for the stages of hydrogen gas evolution and the introduction of hydrogen atoms into steel are determined. The additions of catamine AB and IFKhAN-92 inhibited the cathodic reduction of hydrogen and its permeation into steel in an HCl solution. The most effective inhibitor of hydrogen absorption is IFKhAN-92. The inhibitory effect of this compound is due to a decrease in the ratio of the hydrogen concentration in the metal phase to the degree of hydrogen filling of the surface. IFKhAN-92 reduction of hydrogen concentration in the volume of metal determines the preservation of the plastic properties of steels during corrosion in HCl solutions. The high efficiency of IFKhAN-92, as an inhibitor of cathodic reduction of hydrogen and its absorption, is the result of chemisorption of this compound on the surface of the steel and the formation of a polymolecular protective layer.
- Keywords
- кислотная коррозия ингибиторы коррозии проникновение водорода в металл триазол низкоуглеродистая сталь высокопрочная сталь соляная кислота
- Date of publication
- 15.09.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 11
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