Quasicrystalline phase in melt-spun Al-Mn-Be ribbons

被引:28
|
作者
Zupanic, Franc [1 ]
Boncina, Tonica [1 ]
Krizman, Alojz [1 ]
Grogger, Werner [2 ]
Gspan, Christian [2 ]
Markoli, Bostjan [3 ]
Spaic, Savo [3 ]
机构
[1] Univ Maribor, Fac Mech Engn, SI-2000 Maribor, Slovenia
[2] Graz Univ Technol, Res Inst Electron Microscopy, A-8010 Graz, Austria
[3] Univ Ljubljana, Fac Nat Sci & Engn, SI-1000 Ljubljana, Slovenia
关键词
quasicrystals; rapid solidification; microstructure; metallography; electron emission spectroscopies;
D O I
10.1016/j.jallcom.2006.11.041
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
The quasicrystalline phase in melt-spun Al-Mn-Be alloys was investigated. In ribbons 40-60 mu m thick the phase was present in the form of small particles rather uniformly dispersed in an aluminium solid solution matrix. The quasicrystalline phase had a primitive icosahedral structure. It was confirmed that it contained a substantial amount of Be. Nonetheless, it seemed that the electron-to-atom ratio remained close to that of binary Al80Mn20 quasicrystal. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:343 / 347
页数:5
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