Consolidation of Amorphous Al80Fe10Ti5Ni5 Powders by Hot Pressing

被引：3
|
作者：
Tavoosi, M. [1 ,2 ]
Karimzadeh, F. [2 ]
Enayati, M. H. [2 ]
Kim, H. S. [1 ]
机构：
[1] Pohang Univ Sci & Technol POSTECH, Dept Mat Sci & Engn, Pohang 790784, South Korea
[2] IUT, Nanotechnol & Adv Mat Inst, Dept Mat Engn, Esfahan 8415683111, Iran
来源：
JOURNAL OF NANOMATERIALS | 2012年 / 2012卷
基金：
新加坡国家研究基金会;
关键词：
MECHANICAL-PROPERTIES; CRYSTALLIZATION PROCESS; COMPACTION BEHAVIOR; AL; FABRICATION; MICROSTRUCTURES; COMPOSITE; ALLOYS; MODEL;
D O I：
10.1155/2012/814915
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The current study investigates the feasibility of fabricating amorphous Al80Fe10Ti5Ni5 powders by mechanical alloying and consolidating them into bulk samples by a hot-pressing technique. As-milled and hot-pressed samples were examined by X-ray diffraction, scanning electron microscopy, transition electron microscopy, and differential scanning calorimetry. The results showed that milling of Al80Fe10Ti5Ni5 powder for 40 h and hot pressing at 550 degrees C under 600 MPa led to a fully dense bulk sample. During consolidation, an AlTi intermetallic phase with average crystallite size of 10 nm precipitates in the amorphous matrix.
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页数：10
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