The effect of Li0 on the corrosion of stainless steel alloy 316L exposed to molten LiCl-Li2O-Li

被引：17
|
作者：
Merwin, Augustus [1 ,2 ]
Chidambaram, Dev [1 ]
机构：
[1] Univ Nevada, Mat Sci & Engn, 1664N Virginia St,MS 0388, Reno, NV 89557 USA
[2] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA
来源：
CORROSION SCIENCE | 2017年 / 126卷
关键词：
Corrosion; Molten salt; Metallic Li; XPS; ELECTROCHEMICAL REDUCTION; ELECTROLYTIC REDUCTION; BASE ALLOYS; LITHIUM; BEHAVIOR; SALT; URANIUM; UO2; SUPERALLOYS; DISSOLUTION;
D O I：
10.1016/j.corsci.2017.04.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A knowledge gap exists in our understanding of corrosion of alloys in molten LiCl-Li2O-Li. Coupons of stainless steel alloy 316L were exposed to LiCl-Li2O solutions containing up to 1 wt%Li. A protective surface films of LiCrO2 forms in molten solutions containing up to 0.4 wt%Li. The surfaces of samples exposed to melts containing greater than 0.4 wt% Li were observed to be depleted of Cr and mostly devoid of oxides. Results indicate that material interactions with the LiCl-Li2O-Li system are governed by electrochemical oxidation phenomena when the Li concentration is low, while liquid metal effects dominate when the Li concentration is high.
引用
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页码：1 / 9
页数：9
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