Magnetic properties of nanostructural γ-Ni-28Fe alloy

被引：0
|
作者：
刘银 [1 ]
秦晓英 [2 ]
丘泰 [1 ]
机构：
[1] School of Materials Science and Engineering,Nanjing University of Technology
[2] Institute of Solid State Physics,Chinese Academy of Science
来源：
Transactions of Nonferrous Metals Society of China | 2006年 / 06期
关键词：
nanostructural material; Ni-28Fe alloy; mechanochemical alloying; microstructure; magnetic property;
D O I：
暂无
中图分类号：
TB383.1 [];
学科分类号：
070205 ; 080501 ; 1406 ;
摘要：
Nanostructural γ-Ni-28Fe alloy(nano γ-Ni-28Fe)was successfully prepared by mechanochemical alloying(MCA).The relationship between the microstructure and the synthesis conditions was investigated by using XRD,TEM,SEM as well as BET analyzer.The results show that nano γ-Ni-28Fe alloy is composed of a gamma phase(FCC structure).Its grain size is about 20 nm at reduction temperature below 600 ℃.The magnetic measurements indicate that the saturation magnetization of nano γ-Ni-28Fe alloy is 102.4 A·m2/kg,and the coercivity is much higher than that of conventional coarse-grained counterpart.The result may be attributed to its decrease of the grain size and chemical composition in nano γ-Ni-28Fe alloy.
引用
收藏
页码：1370 / 1373
页数：4
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