Uniform corrosion behavior of FeCrAl alloys in borated and lithiated high temperature water

被引：47
作者：
Ning, Fangqiang [1 ,2 ]
Wang, Xiang [1 ]
Yang, Ying [3 ]
Tan, Jibo [1 ]
Zhang, Ziyu [1 ]
Jia, Dan [1 ]
Wu, Xinqiang [1 ]
Han, En-Hou [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Liaoning Key Lab Safety & Assessment Tech Nucl Ma, Shenyang 110016, Peoples R China
[2] Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
[3] China Nucl Power Technol Res Inst Co Ltd, ATF R&D Project Dept, Shenzhen 518026, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2021年 / 70卷
基金：
中国国家自然科学基金;
关键词：
FeCrAl; Alloys; High temperature corrosion; Oxidation; SEM; TEM;
D O I：
10.1016/j.jmst.2020.07.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The uniform corrosion behavior of model FeCrAl alloys as well as commercial Zircaloy-4 as reference material were investigated in 360 degrees C borated and lithiated water. The results reveal that FeCrAl alloys exhibited better corrosion resistance than Zircaloy-4. It is found that the oxide films formed on the FeCrAl alloys are composed of outer Fe3O4 layer, inner layer consisting of compact spinel layer and porous spinel layer, and transition layer containing Al-Cr-rich oxides and matrix enriched with Fe degrees. The spinel oxides in the inner layer are FeFe2-x-y-zCrxAlyMozO4. The corrosion mechanism of FeCrAl alloys in high temperature water is discussed. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
引用
收藏
页码：136 / 144
页数：9
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