熔盐堆用结构材料的热腐蚀及防护

doi:10.11902/1005.4537.2021.070

中国腐蚀与防护学报

2022, Vol. 42

Issue (2): 193-199 DOI: 10.11902/1005.4537.2021.070

研究报告

本期目录 | 过刊浏览

熔盐堆用结构材料的热腐蚀及防护

吴家杰, 王艳丽(

)

广西大学化学化工学院南宁 530004

Hot Corrosion and Protection of Structural Materials in Molten Salt Reactor

WU Jiajie, WANG Yanli(

)

School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China

全文: PDF(1122 KB) HTML

摘要:

本文综述了结构材料在熔融氟化盐中的热腐蚀及其影响因素，以及表面防护涂层研究现状。

关键词 ：熔盐堆, 氟化盐, 热腐蚀, 涂层

Abstract：

As one of the Gen-IV (Generation Four Initiative) alternative reactors, molten salt reactor (MSR) has become a popular research topic again in recent years. Molten fluorides act as the nuclear fuel carrier and coolant in MSR. However, its highly corrosive to structural materials is a great barrier of the MSR development. The active dissolution of alloying elements is the main result of hot corrosion. Trace impurities, the formation of galvanic couples between different materials and temperature gradient in the molten salt system are the main driving forces of hot corrosion. The research status of hot corrosion and surface protection for structural materials in molten fluoride salts by domestic and foreign researchers are reviewed in the present article.

Key words： molten salt reactor fluorides hot corrosion coating

收稿日期: 2021-04-06

ZTFLH:

TG178

基金资助:广西科技基地和人才专项(桂科AD20159074);国家自然科学基金(51801035);广西研究生教育创新计划(YCSW2021056)

通讯作者: 王艳丽 E-mail: wyl187358@gxu.edu.cn

Corresponding author: WANG Yanli E-mail: wyl187358@gxu.edu.cn

作者简介: 吴家杰，男，1997年生，硕士生

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吴家杰, 王艳丽. 熔盐堆用结构材料的热腐蚀及防护[J]. 中国腐蚀与防护学报, 2022, 42(2): 193-199.
Jiajie WU, Yanli WANG. Hot Corrosion and Protection of Structural Materials in Molten Salt Reactor. Journal of Chinese Society for Corrosion and protection, 2022, 42(2): 193-199.

链接本文:

https://www.jcscp.org/CN/10.11902/1005.4537.2021.070 或 https://www.jcscp.org/CN/Y2022/V42/I2/193

图1 温度梯度腐蚀“质量转移过程”示意图[24]

图2 不同保护层下材料长期在氟化盐浸泡后活性元素分布图[37]

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