Fabrication of nanocrystalline Fe84.3Si4B 8P3Cu0.7 powders with high magnetization

Yan Zhang; Yuren Wen; Akihiro Makino

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

Fabrication of nanocrystalline Fe_84.3Si₄B ₈P₃Cu_0.7 powders with high magnetization

Yan Zhang, Yuren Wen, Akihiro Makino

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

With the aim of preparing the raw powders used for soft magnetic compacts production, nanocrystalline soft magnetic powders of Fe_84.3Si ₄B₈P₃Cu_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.

Original language	English
Title of host publication	Materials Integration
Publisher	Trans Tech Publications Ltd
Pages	133-140
Number of pages	8
ISBN (Print)	9783037853764
DOIs	https://doi.org/10.4028/www.scientific.net/KEM.508.133
Publication status	Published - 2012
Event	Int. Symposium of GCOE: Materials Integration, in Conjunction with the 2nd Int. Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2011 and the 8th Materials Science School for Young Scientists, KINKEN-WAKATE 2011 - Sendai, Japan Duration: 2011 Dec 1 → 2011 Dec 2

Publication series

Name	Key Engineering Materials
Volume	508
ISSN (Print)	1013-9826
ISSN (Electronic)	1662-9795

Other

Other	Int. Symposium of GCOE: Materials Integration, in Conjunction with the 2nd Int. Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2011 and the 8th Materials Science School for Young Scientists, KINKEN-WAKATE 2011
Country/Territory	Japan
City	Sendai
Period	11/12/1 → 11/12/2

Keywords

Heat-treatment
High saturation magnetization
Nanocrystalline
Powder

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

Access to Document

10.4028/www.scientific.net/KEM.508.133

Cite this

Zhang, Y, Wen, Y & Makino, A 2012, Fabrication of nanocrystalline Fe_84.3Si₄B ₈P₃Cu_0.7 powders with high magnetization. in Materials Integration. Key Engineering Materials, vol. 508, Trans Tech Publications Ltd, pp. 133-140, Int. Symposium of GCOE: Materials Integration, in Conjunction with the 2nd Int. Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2011 and the 8th Materials Science School for Young Scientists, KINKEN-WAKATE 2011, Sendai, Japan, 11/12/1. https://doi.org/10.4028/www.scientific.net/KEM.508.133

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title = "Fabrication of nanocrystalline Fe84.3Si4B 8P3Cu0.7 powders with high magnetization",

abstract = "With the aim of preparing the raw powders used for soft magnetic compacts production, nanocrystalline soft magnetic powders of Fe84.3Si 4B8P3Cu0.7 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.",

keywords = "Heat-treatment, High saturation magnetization, Nanocrystalline, Powder",

author = "Yan Zhang and Yuren Wen and Akihiro Makino",

note = "Copyright: Copyright 2020 Elsevier B.V., All rights reserved.; Int. Symposium of GCOE: Materials Integration, in Conjunction with the 2nd Int. Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2011 and the 8th Materials Science School for Young Scientists, KINKEN-WAKATE 2011 ; Conference date: 01-12-2011 Through 02-12-2011",

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N2 - With the aim of preparing the raw powders used for soft magnetic compacts production, nanocrystalline soft magnetic powders of Fe84.3Si 4B8P3Cu0.7 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.

AB - With the aim of preparing the raw powders used for soft magnetic compacts production, nanocrystalline soft magnetic powders of Fe84.3Si 4B8P3Cu0.7 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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