A new thermodynamic parameter to predict formation of solid solution or intermetallic phases in high entropy alloys

被引：180
|
作者：
Senkov, O. N. [1 ]
Miracle, D. B. [1 ]
机构：
[1] Air Force Res Lab, Mat & Mfg Directiorate, Wright Patterson AFB, OH 45433 USA
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 658卷
关键词：
High entropy alloy; Phase selection; Equilibrium phases; MICROSTRUCTURE; STABILITY; ALUMINUM; ELEMENTS;
D O I：
10.1016/j.jallcom.2015.10.279
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：
A simple thermodynamic criterion is proposed to predict the presence or absence of equilibrium intermetallic phases in a high entropy alloy at a given temperature T. The criterion was verified using 45 currently available HEAs, for which equilibrium phases and respective annealing temperature are reported. The present model shows good correlation with experiment and gives an improved ability to predict formation of solid solution and intermetallic phases compared to earlier models. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：603 / 607
页数：5
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