Structural and magnetic investigation of mechanically alloyed Fe-M-B (M = Nb, Zr, Hf) powders

被引：0
|
作者：
Chiriac, H. [1 ]
Moga, A. [1 ]
Urse, M. [1 ]
Hison, C. [1 ]
机构：
[1] Natl. Inst. R. D. for Tech. Phys., 47 Mangeron Blvd., RO-6600 Iasi, 3, Romania
来源：
Materials Science Forum | 2000年 / 343 (II卷
关键词：
Ball milling - Heat treatment - Magnetic properties - Mechanical alloying - Nanostructured materials - Powder metals - X ray diffraction analysis;
D O I：
10.4028/www.scientific.net/msf.343-346.806
中图分类号：
学科分类号：
摘要：
Results concerning preparation of nanocrystalline Fe90M7B3 (M = Nb, Zr, Hf) powders by high-energy ball milling of elemental powders and their structural and magnetic properties are presented. The X-ray diffraction patterns show that the Fe90M7B3 (M = Nb, Zr, Hf) powders obtained after 250 h of milling are nanocrystalline, with the final crystallite size between 8 and 14 nm. An improvement in the magnetic properties of the mechanically alloyed powders can be noticed by controlled heat treatments. A comparison between the magnetic properties of the Fe90M7B3 (M = Nb, Zr, Hf) and Fe73.5Cu1Nb3B9Si13.5 (FINEMET) mechanically alloyed powders is also reported.
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页码：806 / 811
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