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Determination of the rate of carbon dioxide corrosion by the concentration of iron in the test environment
https://doi.org/10.26896/1028-6861-2026-92-1-35-41
Abstract
The main parameter used to characterize the resistance of materials to corrosion is the corrosion rate, which is estimated by the amount of deterioration over a certain time, while the average value is presented on an arbitrarily selected test base. However, current corrosion rate measurement methods do not adequately capture the kinetics of corrosion development, hindering the ability to predict the lifespan and serviceability of components. The results of determining the corrosion rate of carbon dioxide by the concentration of iron ions in the test environment are presented in the paper. During the corrosion tests, the concentration of iron transferred to the test environment was measured, and the rate of corrosion destruction was determined based on data on iron loss. The influence of test temperature, composition, and structural condition of pipe steels on the kinetics of carbon dioxide corrosion development was also analyzed. The dependences of the change of corrosion rate and the development of corrosion processes are given. It is shown that the average corrosion rates values during long-term tests correlate well with results from gravimetric and electrochemical methods. The results obtained and the proposed approach can be used to improve methods for determining and evaluating the dynamics of changes in the rate of corrosion during exposure to a corrosion environment.
About the Authors
D. S. Kazadaev
Tolyatti State University; «IT-Service» LLC
Россия
Россия
Dmitry S. Kazadaev
14, Belorusskaya ul., Tolyatti, 445020
1, ul. Naberezhnaya reki Samary, Samara, 443001
M. A. Vyboyshchik
Tolyatti State University
Россия
Россия
Mikhail A. Vyboyshchik
14, Belorusskaya ul., Tolyatti, 445020
V. A. Revyakin
«IT-Service» LLC
Россия
Россия
Victor A. Revyakin
1, ul. Naberezhnaya reki Samary, Samara, 443001
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Review
For citations:
Kazadaev D.S., Vyboyshchik M.A., Revyakin V.A. Determination of the rate of carbon dioxide corrosion by the concentration of iron in the test environment. Industrial laboratory. Diagnostics of materials. 2026;92(1):35-41. (In Russ.) https://doi.org/10.26896/1028-6861-2026-92-1-35-41
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