Effect of pre-oxidation on increasing resistance of Fe-Al-Ni-Cr-Co-Mn high entropy alloys to molten Al attack

被引：9
作者：
Yang, H. H. [1 ]
Tsai, W. T. [1 ]
Kuo, J. C. [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Tainan 701, Taiwan
来源：
CORROSION ENGINEERING SCIENCE AND TECHNOLOGY | 2014年 / 49卷 / 02期
关键词：
Multicomponent high entropy alloy; Molten Al; Pre-oxidation; Electron backscattering diffraction; CORROSION-RESISTANCE; ALUMINUM; STEEL; OXIDATION; BEHAVIOR; WEAR;
D O I：
10.1179/1743278213Y.0000000116
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The corrosion behaviours of two high entropy alloys (HEAs, namely Fe-Al-Ni-Cr-Co and Fe-AlNi-Cr-Co-Mn) in molten Al, each with and without pre-oxidation treatment, were investigated. Both bare alloys lost their thickness owing to dissolution, and various intermetallic compounds formed on their substrate surfaces during immersion in molten Al. Pre-oxidation treatment gave rise to the formation of an effective oxide barrier on each alloy surface against molten Al attack. The characteristics of pre-formed oxides in resisting molten Al attack were examined using electron backscatter diffraction (EBSD) analysis.
引用
收藏
页码：124 / 129
页数：6
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