Stable decagonal quasicrystals in the Al-Fe-Cr and Al-Fe-Mn alloy systems

被引：46
作者：
Pavlyuchkov, D. [2 ]
Balanetskyy, S. [1 ,2 ]
Kowalski, W. [1 ,3 ]
Surowiec, M. [3 ]
Grushko, B. [2 ]
机构：
[1] IN Frantsevich Inst Problems Mat Sci, UA-03680 Kiev 142, Ukraine
[2] Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany
[3] Silesian Univ, Inst Mat Sci, PL-40007 Katowice, Poland
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 477卷 / 1-2期
关键词：
Quasicrystals; Phase diagrams; Electron diffraction; PHASES;
D O I：
10.1016/j.jallcom.2008.11.005
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：
Stable decagonal quasicrystals were revealed for the first time in the Al-Fe-Cr and Al-Fe-Mn alloy systems. They exhibit periodicity of similar to 1.2 nm along the 10-fold symmetry axis and are formed around the Al(72)Fe(12)Cr(16) and Al(72)Fe(10)Mn(18) compositions, respectively. In Al-Fe-Cr the decagonal phase was only produced after prolonged thermal annealing at subsolidus temperatures (maximum 1090 degrees C). In Al-Fe-Mn a strong temperature dependence of the compositional region of the decagonal phase was observed. (C) 2008 Elsevier B.V. All rights reserved.
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收藏
页码：L41 / L44
页数：4
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