A Criterion for Topological Close-Packed Phase Formation in High Entropy Alloys

被引：89
|
作者：
Lu, Yiping [1 ,2 ]
Dong, Yong [1 ]
Jiang, Li [1 ]
Wang, Tongmin [1 ]
Li, Tingju [1 ,3 ]
Zhang, Yong [4 ]
机构：
[1] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
[2] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China
[3] Dalian Univ Technol, Key Lab Mat Modificat Laser Ion & Electron Beams, Minist Educ, Dalian 116024, Peoples R China
[4] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
来源：
ENTROPY | 2015年 / 17卷 / 04期
基金：
中国国家自然科学基金;
关键词：
DISORDERED SOLID-SOLUTIONS; MECHANICAL-PROPERTIES; ELECTRONIC-STRUCTURE; CORROSION BEHAVIOR; ALUMINUM CONTENT; WEAR BEHAVIOR; MICROSTRUCTURE; NB; STABILITY; EVOLUTION;
D O I：
10.3390/e17042355
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The stability of topological close-packed (TCP) phases were found to be well related to the average value of the d-orbital energy level ( [GRAPHICS] ) for most reported high entropy alloys (HEAs). Excluding some HEAs that contain high levels of the elements aluminum and vanadium, the results of this study indicated that the TCP phases form at [GRAPHICS] > 1.09. This criterion, as a semi-empirical method, can play a key role in designing and preparing HEAs with high amounts of transitional elements.
引用
收藏
页码：2355 / 2366
页数：12
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