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.

引用

页数：10

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