STRUCTURE AND MAGNETIC-PROPERTIES OF ANISOTROPIC SM2FE17NX POWDERS

被引：19
|
作者：
DING, J
MCCORMICK, PG
STREET, R
机构：
[1] Research Centre for Advanced Mineral and Materials Processing, University of Western Australia, Pert
来源：
APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 22期
关键词：
D O I：
10.1063/1.108072
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Anisotropic powders of Sm2Fe17Nx were prepared by the mechanical milling of Sm2Fe17 and nitriding. The effects of milling time, ball size, and heat treatment on the structure and magnetic properties have been studied. Short milling times resulted in particle attrition; disproportionation into a mixture of Fe and an amorphous Fe-Sm phase occurred above a critical milling time. Maximum energy products of up to 21 MGOe were obtained in aligned samples of mixed structure which were milled for intermediate times and heat treated prior to nitriding.
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收藏
页码：2721 / 2722
页数：2
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