Effect of copper concentration on the structure and properties of Al-Cu-Fe and Al-Cu-Ni melts

被引：14
|
作者：
Kamaeva, L., V [1 ,2 ]
Ryltsev, R. E. [2 ,3 ,4 ]
Suslov, A. A. [1 ]
Chtchelkatchev, N. M. [2 ,4 ,5 ]
机构：
[1] Russian Acad Sci, Ural Branch, Udmurt Fed Res Ctr, Izhevsk 426068, Russia
[2] Russian Acad Sci, Vereshchagin Inst High Pressure Phys, Moscow 108840, Russia
[3] Russian Acad Sci, Ural Branch, Inst Met, Ekaterinburg 620016, Russia
[4] Ural Fed Univ, Ekaterinburg 620002, Russia
[5] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2020年 / 32卷 / 22期
基金：
俄罗斯科学基金会;
关键词：
liquid alloy; viscosity; short-range order; electronic structure; ICOSAHEDRAL QUASI-CRYSTAL; RANGE ORDER; MG-AL; VISCOSITY; METALS; ALLOYS;
D O I：
10.1088/1361-648X/ab73a6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We address a relationship between properties of liquid and solid states by comparing structural characteristics and viscosity in Al-Cu-Fe and Al-Cu-Ni melts. The former system forms an equilibrium quasicrystalline phase but the latter does not. We show that the concentration behavior of the viscosity, melting temperature and characteristics of the chemical short-range order correlate with each other. The main structural differences between the melts are related to the peculiarities of their electronic structure, which is the same for liquid and solid states near the melting temperature.
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收藏
页数：9
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