Local structure changes on annealing in an Fe-Si-B-P bulk metallic glass

被引：26
|
作者：
Hirata, Akihiko [1 ]
Kawahara, Naoto [1 ]
Hirotsu, Yoshihiko [1 ,2 ]
Makino, Akihiro [3 ]
机构：
[1] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan
[2] Osaka Univ Lab, R&D Inst Met & Composites Future Ind, Osaka 5670047, Japan
[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
来源：
INTERMETALLICS | 2009年 / 17卷 / 04期
关键词：
Glasses; metallic; Magnetic properties; Electron microscopy; transmission; FORMING ABILITY; ALLOYS; CRYSTALLIZATION;
D O I：
10.1016/j.intermet.2008.07.025
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Local structure changes on annealing of soft magnetic Fe76Si9B10P5 metallic glass was examined using transmission electron microscopy. Medium-range order regions in glass states were clearly developed on annealing for structural relaxation below the glass-transition temperature which leads a decrease of magnetic coercivity as well as a physical density. Nanobeam electron diffraction analysis revealed that the medium-range order structure developed on annealing has no structural order of the primary crystal with a long-period complex structure. The relaxed glass can be regarded as a specific state which is characterized by medium-range order structures. (C) 2008 Published by Elsevier Ltd.
引用
收藏
页码：186 / 189
页数：4
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