Influence of wet milling conditions on the structural and magnetic properties of Ni3Fe nanocrystalline intermetallic compound

被引：24
|
作者：
Neamtu, B. V. [1 ,2 ]
Chicinas, I. [1 ]
Isnard, O. [2 ]
Popa, F. [1 ]
Pop, V. [3 ]
机构：
[1] Tech Univ Cluj Napoca, Dept Mat Sci & Technol, Cluj Napoca 400614, Romania
[2] Univ Grenoble 1, Inst Neel, CNRS, F-38042 Grenoble 9, France
[3] Univ Babes Bolyai, Fac Phys, Cluj Napoca 400084, Romania
来源：
INTERMETALLICS | 2011年 / 19卷 / 01期
关键词：
magnetic intermetallics; magnetic properties; mechanical alloying and milling; diffraction (electron neutron and X-ray); calorimetry; SUPERMALLOY POWDERS; SYSTEM; ALLOY;
D O I：
10.1016/j.intermet.2010.09.004
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Nanocrystalline Ni3Fe compound is obtained by dry and wet milling under argon atmosphere using benzene as surfactant. X-ray diffraction patterns show that the Ni3Fe phase is formed after 2 h of milling followed by annealing (350 degrees C for 4 h) The mean size of the crystallites is 12 +/- 2 nm for 40 h of wet milling Iron and chromium contamination was evidenced by X-ray microanalysis The increase in benzene quantity shifts the powder particle size distribution towards smaller particle size ranges DSC analysis revealed the presence of benzene in the wet milled powders Spontaneous magnetization decreases with increasing milling time and benzene quantity Annealing at 350 degrees C for 4 h leads to a substantial increase of the spontaneous magnetization (C) 2010 Elsevier Ltd All rights reserved
引用
收藏
页码：19 / 25
页数：7
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