MAGNETISM OF ALPHA'-FEN ALLOYS AND ALPHA''(FE16N2)FE NITRIDES

被引：37
|
作者：
HUANG, MQ [1 ]
WALLACE, WE [1 ]
SIMIZU, S [1 ]
SANKAR, SG [1 ]
机构：
[1] CARNEGIE MELLON UNIV,CARNEGIE MELLON RES INST,PITTSBURGH,PA 15213
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1994年 / 135卷 / 02期
关键词：
D O I：
10.1016/0304-8853(94)90350-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The alpha'-FeN phase was prepared by treating Fe powder with NH3/H2 gas mixtures at a temperature of approximately 665-degrees-C followed by a quench to cryogenic temperatures. Conversion of alpha to alpha' to an extent exceeding 85% has been achieved. Alpha''-FeN is produced by treatment of alpha' for approximately 1 to 2 h at 120-150-degrees-C. B(sat) values obtained for alpha'- and alpha''-FeN are 23.5 and 26.6 kG, respectively. The latter corresponds to 2.94mu(B)/Fe atom, a 34% enhancement over that of alpha-Fe.
引用
收藏
页码：226 / 230
页数：5
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