Fabrication and characterization of nano Fe-Al mixture powders by the simultaneous pulsed wire evaporation method

被引:0
|
作者
Lee, G
Rhee, CK
Kim, WW
Samatov, OM
Kotov, YA
机构
[1] Korea Atom Energy Res Inst, Taejon, South Korea
[2] RAS, Ural Branch, Inst Electrophys, Ekaterinburg, Russia
关键词
nano Fe-Al powder; simultaneous pulsed wire evaporation;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The possibility of obtaining a homogeneous mixture or producing solid solutions and intermetallic compounds of Fe and Al nanoparticles have been investigated by applying the simultaneous pulsed wire evaporation (S-PWE) method. Fe and Al wires having 0.45-mm diameter and 35-mm length were alpha-fed continuously into the explosion chamber where they were exploded simultaneously. The phase composition, particle shape, and specific surface area (SSA) of the Fe-Al nano powders were affected by varying the explosion conditions, e.g., the wire distance, the input energy, and the atmospheric gas. The synthesized powders consist of not only pure metals of Al and alpha-Fe but also large amounts of high-temperature phases (gamma-Fe, FeAl), and traces of other intermetallics. These results lead to the conclusion that a fraction of each phase can be controlled to create mixture of pure metals or solid solutions and intermetallic compounds.
引用
收藏
页码:954 / 958
页数:5
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