On the nanostructural formation process in Fe-M-B (M=Zr or Nb) soft magnetic alloys

被引：5
|
作者：
Suzuki, K
Cadogan, JM
Sahajwalla, V
Inoue, A
Masumoto, T
机构：
[1] UNIV NEW S WALES, SCH PHYS, SYDNEY, NSW 2052, AUSTRALIA
[2] TOHOKU UNIV, INST MAT RES, SENDAI, MIYAGI 98077, JAPAN
来源：
SYNTHESIS AND PROPERTIES OF MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS, PTS 1 AND 2 - ISMANAM-96 | 1997年 / 235-2卷
关键词：
crystallization; nanocrystalline soft magnetic alloys; grain growth; Fe-Zr-B; Fe-Nb-B; ULTRAFINE GRAIN-STRUCTURE; METALLIC GLASSES; NANOCRYSTALLINE MATERIALS; CRYSTALLIZATION; GROWTH;
D O I：
10.4028/www.scientific.net/MSF.235-238.765
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The nano-structural formation kinetics in soft magnetic Fe90Zr7B3 and Fe80Nb6B14 alloys have been investigated. The nanocrystallite formation in the Fe-Zr-B alloy is governed mostly; by a nucleation-and-growth mechanism. On the other hand, the nano-structural formation mechanism in the Fe-Nb-B alloy shows a change in the fraction transformed range 0.1-0.2. The first- and second-stage nano-structural formation processes have been described by the nucleation-and-growth model with an Avrami exponent similar to 1.5 and the grain-growth model with a grain-growth exponent of 1.5-3, respectively. This two-stage nature in the nano-structural formation kinetics can be attributed to a high population density of the primary bcc nuclei.
引用
收藏
页码：765 / 770
页数：6
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