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INVESTIGATION OF RESISTANCE TO PITTING CORROSION OF STRUCTURAL MATERIALS OF THE BN-350 REACTOR

D. M. AskarRSE “Institute of Nuclear Physics” ME RK; Kazakh-British Technical UniversityД. А. МережкоRSE “Institute of Nuclear Physics” ME RKМ. С. МережкоRSE “Institute of Nuclear Physics” ME RKDauren RakhatovRSE “Institute of Nuclear Physics” ME RKTolganay ZharkynbekJSC “A.B. Bekturov Institute of Chemical Sciences”; al-Farabi Kazakh National UniversityV. К. YuJSC “A.B. Bekturov Institute of Chemical Sciences”Kira V. TsayRSE “Institute of Nuclear Physics” ME RK

NNC RK Bulletinjournal2023en

ABI

Аннотация

The article is devoted to the study of the resistance of structural materials of the BN-350 reactor to pitting corrosion in an aqueous medium containing chlorine ions in the presence of organic corrosion inhibitors. The results of accelerated testing of samples of austenitic steels 12Cr18Ni10Ti, 08Cr16Ni11Mo3Ti and Cr13Mo2NbVB (EP-450) ferrite-martensitic steel for pitting corrosion in a 10% aqueous solution of iron three-chloride hexahydrate without an inhibitor and in the presence of various concentrations of corrosion inhibitor are presented. The effect of heat treatment on the pitting resistance of structural steels is studied and the role of carbide precipitates of MC and M 23 C 6 types in pitting defects formation is discussed.

Ҳали таржима қилинмаган

Мавзулар

Corrosion Behavior and Inhibition Hydrogen embrittlement and corrosion behaviors in metals Material Properties and Failure Mechanisms

Идентификаторлар

DOI: 10.52676/1729-7885-2023-3-5-12

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