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HomeKey Engineering MaterialsKey Engineering Materials Vol. 508Fabrication of Nanocrystalline Fe84.3Si4B8P3Cu0.7...

Fabrication of Nanocrystalline Fe₈₄_.₃Si₄B₈P₃Cu_0.₇ Powders with High Magnetization

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Abstract:

With the Aim of Preparing the Raw Powders Used for Soft Magnetic Compacts Production, Nanocrystalline Soft Magnetic Powders of Fe_84.3Si₄B₈P₃Cu_0.7 Were Successfully Fabricated Using Crystallization by Rapid Heat-Treatment and Mechanical Ball-Milling Methods. We Investigated the Relation of the Magnetic Properties, Crystallization Degree and Heat-Treatment Condition in Salt-Bath Process. In this Study, a Fine Nanocrystalline Structure with an Extremely Number of α-Fe Grains with the Similar Size of ~ 30 nm Was Obtained. This Led to Excellent Soft Magnetic Properties, i.e., 1.85 T (197.7 emu/g) and 10 A/m for Saturation Magnetization and Coercivity, Respectively. By Controlling the Milling Time, Different Particle Size of Powder Can Be Obtained.

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Periodical:

Key Engineering Materials (Volume 508)

Pages:

133-140

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.508.133

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Online since:

March 2012

Authors:

Yan Zhang, Yu Ren Wen, Akihiro Makino

Keywords:

Heat Treatment, High Saturation Magnetization, Nanocrystalline, Powder

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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