Point Defect Model for the kinetics of oxide film growth on the surface of T91 steel in contact with lead-bismuth eutectic

被引：15

作者：

Kolotinskii, D. A. ^{[1
,2
]}

Nikolaev, V. S. ^{[1
,2
]}

Stegailov, V. V. ^{[1
,2
,3
]}

Timofeev, A. V. ^{[1
,2
,3
]}

机构：

[1] Russian Acad Sci, Joint Inst High Temp, Moscow, Russia

[2] Natl Res Univ, Moscow Inst Phys & Technol, Dolgoprudnyy, Russia

[3] HSE Univ, Moscow, Russia

来源：

CORROSION SCIENCE | 2023年 / 211卷

关键词：

A; steel; C; oxidation; Lead; lead-bismuth eutectic; Kinetics; Point Defect Model; Fast-neutron reactors; LIQUID-LEAD; OXIDATION MECHANISM; FE-9CR-1MO STEEL; DEGREES-C; CORROSION BEHAVIOR; OXYGEN; TEMPERATURE; ALLOY; RESISTANCE; DIFFUSION;

D O I：

10.1016/j.corsci.2022.110829

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Point Defect Model (PDM) has been successfully employed for aqueous solutions to describe the rate of surface corrosion of structural materials. In this work, the adaptation of PDM for the case of lead-bismuth coolant is developed. The necessary modifications in the set of electrochemical reactions and in the model of electrostatic potential distribution in the oxide film are made. Parameters of the proposed model, PDM_PB, are optimized using the experimental data for T91 grade steel. The obtained adaptation of PDM shows applicability to the case of lead and lead-bismuth coolants which is of critical importance for the next-generation fast-neutron reactors.

引用

页数：12

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