冷却液
铋
共晶体系
材料科学
氧化物
腐蚀
氧化铅
冶金
铅(地质)
动力学
热力学
微观结构
量子力学
地貌学
物理
地质学
作者
Daniil Kolotinskii,V. S. Nikolaev,Vladimir Stegailov,А. В. Тимофеев
标识
DOI:10.1016/j.corsci.2022.110829
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.
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