软磁Fe-Si-B-P-Cu合金中由结晶控制的磁化

Magnetization controlled by crystallization in soft magnetic Fe-Si-B-P-Cu alloys.

作者信息

Nakajima Hiroshi, Osako Akihiro, Yodoshi Noriharu, Yamada Yoshiharu, Tsukasaki Hirofumi, Harada Ken, Sakai Yuki, Shigematsu Kei, Nishikubo Takumi, Azuma Masaki, Mori Shigeo

机构信息

Department of Materials Science, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan.

Department of Mechanical Engineering, Kyushu University, Fukuoka 819-0395, Japan.

出版信息

Microscopy (Oxf). 2023 Aug 4;72(4):274-278. doi: 10.1093/jmicro/dfac042.

DOI:10.1093/jmicro/dfac042

PMID:35997566

Abstract

Soft magnetic materials have low coercive fields and high permeability. Recently, nanocrystalline alloys obtained using annealing amorphous alloys have attracted much interest since nanocrystalline alloys with small grain sizes of tens of nanometers exhibit low coercive fields comparable to that of amorphous alloys. Since nanocrystalline soft magnetic materials attain remarkable soft magnetic properties by controlling the grain size, the crystal grains' microstructure has a substantial influence on the soft magnetic properties. In this research, we examined the magnetic properties of Fe-Si-B-P-Cu nanocrystalline soft magnetic alloys obtained by annealing amorphous alloys. During crystallization, the observation findings reveal the correlation between the generated microstructures and soft magnetic properties.

摘要

软磁材料具有低矫顽力场和高磁导率。近年来，通过对非晶合金进行退火处理得到的纳米晶合金引起了广泛关注，因为晶粒尺寸为几十纳米的纳米晶合金表现出与非晶合金相当的低矫顽力场。由于纳米晶软磁材料通过控制晶粒尺寸获得了优异的软磁性能，晶粒的微观结构对软磁性能有重大影响。在本研究中，我们研究了通过对非晶合金进行退火处理得到的Fe-Si-B-P-Cu纳米晶软磁合金的磁性能。在结晶过程中，观察结果揭示了所产生的微观结构与软磁性能之间的相关性。