Effect of nickel on the structure and phase composition of the VCrMnFeCoNi x high-entropy alloy

被引：11
|
作者：
Karpets', M. V. [1 ]
Myslyvchenko, O. M. [2 ]
Makarenko, O. S. [2 ]
Gorban', V. F. [1 ]
Krapivka, M. O. [1 ]
Degula, A. I. [3 ]
机构：
[1] Natl Acad Sci Ukraine, Frantsevich Inst Mat Sci Problems, Vul Krzhizhanovskogo 3, UA-03680 Kiev, Ukraine
[2] Natl Tech Univ Ukraine, Kiev Polytech Inst, UA-03056 Kiev, Ukraine
[3] Sumy State Univ, UA-40007 Sumy, Ukraine
来源：
JOURNAL OF SUPERHARD MATERIALS | 2015年 / 37卷 / 03期
关键词：
sigma phase; crystal structure; solid solution; microhardness; MICROSTRUCTURE; BEHAVIOR;
D O I：
10.3103/S1063457615030053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of the nickel concentration on the phase composition, microstructure, and hardness of VCrMnFeCoNi (x) (x = 0-3) high-entropy alloys has been studied. The structure of the cast system has been composed of fcc solid solution and sigma-phase, and both phases are multicomponent. It has been found that an increase of the nickel concentration decreases the volume fraction of the sigma-phase. As a result of the reduction of the amount of the solid sigma-phase the microhardness of alloys has been detected to decrease from 12 GPa at x = 0 to 4.1 GPa at x =3.
引用
收藏
页码：182 / 188
页数：7
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