Electrochemical corrosion behavior of 316L stainless steel in molten fluorides with a temperature gradient

被引：3
|
作者：
Wang, Yanli [1 ]
Wu, Jiajie [1 ]
Wang, Changxuan [1 ]
Zhang, Shenghua [2 ,3 ]
机构：
[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
[2] Guangxi Key Lab Proc Nonferrous Metall & Featured, Nanning 530004, Peoples R China
[3] Guangxi Univ, Sch Resources Environm & Mat, Nanning 530004, Peoples R China
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2019年 / 109卷
基金：
中国国家自然科学基金;
关键词：
Temperature gradient; Corrosion; Molten; (Li; Na; K)F; 316L;
D O I：
10.1016/j.elecom.2019.106612
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The temperature gradient is the main driving force for the corrosion of materials in molten fluorides in molten salt nuclear reactors (MSR). In this paper, the corrosion behavior of Fe and 316L stainless steel in molten (Li,Na,K)F with temperature gradients of 650/700 degrees C and 600/700 degrees C is investigated. The experimental results indicate that the potential difference of materials in molten fluorides with a temperature gradient is the main driving force for corrosion. The larger the temperature gradient, the more serious the corrosion of the material will be, especially for samples at the hotter end of the range.
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页数：7
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