Significance of Ti addition on precipitation in CoCrFeNiMn high-entropy alloy

被引：28
|
作者：
Mehranpour, Mohammad Sajad [1 ]
Shahmir, Hamed [2 ]
Derakhshandeh, Alireza [1 ]
Nili-Ahmadabadi, Mahmoud [1 ]
机构：
[1] Univ Tehran, Coll Engn, Sch Met & Mat, Tehran, Iran
[2] Tarbiat Modares Univ, Dept Mat Engn, Tehran, Iran
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 888卷
关键词：
CoCrFeNiMnTix; High-entropy alloy; Precipitation; Thermal stability; MECHANICAL-PROPERTIES; MICROSTRUCTURE;
D O I：
10.1016/j.jallcom.2021.161530
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
CoCrFeNiMnTix (x = 0, 0.1 and 0.3) high-entropy alloys were subjected to a large plastic deformation followed by annealing. Annealing at 700 and 800 degrees C led to decomposition of single-phase HEAs and formation of new phases including Cr-rich bcc, Cr-rich sigma an eta-Ni3Ti which the latter only detected in the CoCrFeNiMnTi0.3 HEA. The microstructural evolutions revealed the significant of Ti on thermal stability and variety of formed precipitates in the microstructure of CoCrFeNiMn HEA. (C) 2021 Elsevier B.V. All rights reserved.
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页数：4
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