Mechanical alloying of Al-Cu-Fe elemental powders

被引：36

作者：

Barua, P ^{[1
]}

Murty, BS

Srinivas, V

机构：

[1] Indian Inst Technol, Dept Phys & Meteorol, Kharagpur 721302, W Bengal, India

[2] Indian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2001年 / 304卷

关键词：

mechanical alloying; quasicrystalline alloy; icosahedral phase; beta-phase;

D O I：

10.1016/S0921-5093(00)01621-X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The formation of quasicrystalline powders by mechanical alloying of crystalline elemental powders has been investigated for Al70-x(Cu,Fe)(30+x) (x = 0, 5, 7) alloy systems. The alloying process during milling and additional annealing at elevated temperature has been characterized by X-ray diffraction and transmission electron microscopy. It is observed that as x increases, tendency of i-phase formation decreases in these mechanically alloyed powder compositions. The cubic solid solution identified as beta -phase is observed to be present as one of the major phases in all the above alloy compositions. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：863 / 866

页数：4

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