Single-crystal growth of a FeCoCrMnAl high-entropy alloy

被引：16
作者：
Feuerbacher, M. [1 ,2 ]
Wuertz, E.
Kovacs, A.
Thomas, C.
机构：
[1] Forschungszentrum Julich, Peter Grunberg Inst PGI 5, D-52425 Julich, Germany
[2] Forschungszentrum Julich, Ernst Ruska Cent, Ernst Ruska Centrum, D-52425 Julich, Germany
来源：
MATERIALS RESEARCH LETTERS | 2017年 / 5卷 / 02期
关键词：
High-entropy alloys; single-crystal growth; Bridgman technique; transmission electron microscopy;
D O I：
10.1080/21663831.2016.1234516
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on single-crystal growth of the equiatomic FeCoCrMnAl high-entropy alloy by means of the Bridgman technique. Our crystals are about 1 cm in diameter and 6.6 cm in length. X-ray Laue images taken at various positions on their surface are sharp and mutually consistent. The material has a microstructure consisting of B2 inclusions in a body-centred cubic matrix. The inclusions are {0 0 1} platelets of about 65nm thickness with varying lateral extensions of the order of 500 nm, predominantly containing Al and Co. The matrix is rich in Fe and Cr. [GRAPHICS] IMPACT STATEMENT We report the growth of a cubic-centimetre-sized single crystal of a high-entropy alloy. We characterize a Bridgman crystal of the equiatomic FeCoCrMnAl phase and analyse its two-phase structure.
引用
收藏
页码：128 / 134
页数：7
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