The Influence of Cooling Rate During Crystallization on the Effective Partitioning Coefficient in High-Entropy Alloys from Al-Ti-Co-Ni-Fe System

被引：17
|
作者：
Gorecki, Kamil [1 ]
Bala, Piotr [1 ,2 ]
Cios, Grzegorz [2 ]
Koziel, Tomasz [1 ]
Stepien, Milena [2 ]
Wieczerzak, Krzysztof [1 ]
机构：
[1] AGH Univ Sci & Technol, Dept Phys & Powder Met, Fac Met Engn & Ind Comp Sci, Mickiewicza Av 30, PL-30059 Krakow, Poland
[2] AGH Univ Sci & Technol, Acad Ctr Mat & Nanotechnol, PL-30059 Krakow, Poland
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2016年 / 47A卷 / 07期
关键词：
MECHANICAL-PROPERTIES; MICROSTRUCTURE; DESIGN; CR; MULTICOMPONENT; DIFFUSION; BEHAVIOR; PHASE;
D O I：
10.1007/s11661-016-3498-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An influence of two different cooling rates on the microstructure and dispersion of the components of high-entropy alloy from Al-Ti-Co-Ni-Fe system has been examined. For investigated alloys, the effective partitioning coefficient has been calculated. This factor indicates the degree of segregation of elements and allows for the specification of the differences between dendrites and interdendritic regions. The obtained results allow for the conclusion that the cooling rate substantially affect the growth of dendrites and the volume fraction of interdendritic regions as well as the partitioning of elements in the alloy. Furthermore, the obtained results made it possible to compare the influence of the cooling rate and the chemical composition on the dispersion of the alloying elements.
引用
收藏
页码：3257 / 3262
页数：6
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