FORMATION AND MAGNETIC-PROPERTIES OF NANOCOMPOSITE FE-AL2O3 USING HIGH-ENERGY BALL MILLING

被引：53
|
作者：
AMBROSE, T
GAVRIN, A
CHIEN, CL
机构：
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1992年 / 116卷 / 03期
关键词：
D O I：
10.1016/0304-8853(92)90107-Y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Granular metal solids have been prepared by high energy ball milling of Fe and Al2O3, a method capable of producing large quantities of granular materials. Upon ball milling times of 50 h, grain sizes on the order of 100 angstrom have been obtained. The variation of the magnetic properties with volume fraction and grain size has been studied. Coercivities as large as 600 Oe (at 5 K) and 230 Oe (at 300 K) have been obtained.
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页码：L311 / L314
页数：4
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