Electrochemical corrosion behavior of spinel-like high-entropy oxide (CrMnFeCoNi)3O4 and (CrMnFeCoZr)3O4/epoxy coatings

被引：0
|
作者：
Lei, Yanhua [1 ]
Liu, Hui [1 ]
Zhang, Fei [1 ]
Jiang, Bochen [1 ]
Xu, Jingxiang [2 ]
机构：
[1] Shanghai Maritime Univ, Inst Marine Mat Sci & Engn, Shanghai, Peoples R China
[2] Shanghai Ocean Univ, Coll Engn Sci & Technol, Shanghai, Peoples R China
来源：
MATERIALS LETTERS | 2024年 / 370卷
关键词：
High entropy oxides; Composite materials; Corrosion; Oxidation;
D O I：
10.1016/j.matlet.2024.136816
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High entropy oxides (HEOs) are considered as an advanced materials having excellent properties like corrosion resistance, high hardness and wear resistance for a wide range of applications. In this study, coatings with two different types of high entropy oxides as epoxy fillers: (CrMnFeCoNi)3O4/EP and (CrMnFeCoZr)3O4/EP coatings were prepared and electrochemically tested for their corrosion resistance. Tests conducted in 3.5 wt% NaCl solution showed that the (CrMnFeCoNi)3O4/EP coatings exhibited better corrosion stability compared to the (CrMnFeCoNi)3O4/EP coatings. This is due to the fact that the introduction of Zr can significantly refine the grain and change the grain structure to a reticulated type, enhancing the corrosion resistance of the coating.
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页数：4
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