Effect of aging on corrosion resistance of (FeCoNi)86Al7Ti7 high entropy alloys

被引：12
作者：
Wang, Yubo [1 ,2 ]
Li, Gengchen [1 ,2 ]
Li, Han [1 ,2 ]
Mu, Yongkun [1 ,2 ]
Sun, Kang [1 ,2 ]
Zhao, Wenjun [3 ]
Ji, Da
Jia, Yandong [1 ,2 ]
Wang, Gang [1 ,2 ]
机构：
[1] Shanghai Univ, Inst Mat, Shanghai 200444, Peoples R China
[2] Shanghai Univ, Zhejiang Inst Adv Mat, Jiashan 314100, Peoples R China
[3] Ningbo Zhongyuan Adv Mat Technol Co Ltd, Ningbo 315000, Peoples R China
来源：
CORROSION SCIENCE | 2024年 / 227卷
基金：
中国国家自然科学基金;
关键词：
High-entropy alloy; Selective ler melting; Corrosion #roperty; Heat treatment; Coherent interface; MECHANICAL-PROPERTIES; MICROSTRUCTURE; BEHAVIOR; EVOLUTION; STEEL; NI; AL; OXYGEN; CR;
D O I：
10.1016/j.corsci.2023.111717
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The (FeCoNi)(86)Al7Ti7 high-entropy alloy (HEA) was fabricated using selective laser melting (SLM), followed by an aging procedure to produce precipitation. A series of electrochemical experiments revealed the aged HEA has better corrosion resistance than the as-printed specimen. The surface of the aged HEA was found to have a more stable and superior passive film. The Transmission Electron Microscope demonstrated the distinctive coherent crystal lattice structure displayed by the face-centered cubic (FCC) matrix phase and L1(2) phase within the aged alloy. The electrochemical performance is significantly enhanced by the interplay between stable oxide coatings and the particular crystal structure.
引用
收藏
页数：11
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