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Magnetization Controlled by Crystallization in Soft Magnetic Fe-Si-B-P-Cu Alloys.

Hiroshi NakajimaAkihiro OsakoNoriharu YodoshiYoshiharu YamadaHirofumi TsukasakiKen HaradaYuki SakaiKei ShigematsuTakumi NishikuboMasaki AzumaShigeo Mori
Published in: Microscopy (Oxford, England) (2022)
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.
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