This article presents the results on the development of a mathematical justification for radiometric monitoring corrosion processes in ferrocontaining materials of process equipment during exposure to aggressive media. Monitoring was performed using witness samples (WSs) consisting of equipment material (or similar) and a radionuclide label (60 27Co or 59 26Fe). The ratios obtained reflect adequately the course of real corrosion processes, show good agreement with the findings of field experiments, enable the development of model representations (mathematical models) that provide an in-depth study of corrosion processes similar to those described, and consider the aspects of structural materials, WS properties, method of their attachment, detector location, and the consequent selection of the most effective options for control systems of corrosion processes, which increase the efficiency of anticorrosion measures. These values can be used to analyze and improve the most important characteristics of radiometric systems (sensitivity, measurement error, duration, and range of measurements).
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, Vol. 59, No. 3, pp. 31–34, March, 2023.
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Zayarnyi, V.P., Pastukhov, Y. & Gonik, I.L. Mathematical Substantiation of the Monitoring of Corrosion Processes in Process Equipment by Radiometric Method. Chem Petrol Eng 59, 232–239 (2023). https://doi.org/10.1007/s10556-023-01233-1
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DOI: https://doi.org/10.1007/s10556-023-01233-1