Significant changes in crystallization kinetics of Nd2Fe 14B/α-Fe nanocomposites induced by Nb addition - Details

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author：

Wang, C. (Wang, C..) ^[1] | Chang, W.C. (Chang, W.C..) ^[2]

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Scopus

Abstract：

The　effects　of　Nb　addition　on　the　crystallization　kinetics,　microstructure　and　magnetic　properties　of　melt-spun　Nd2Fe14B/α-Fe　nanocomposite　magnets　have　been　studied.　The　analysis　of　crystallization　kinetics　for　the　alloys　indicates　that　the　growth　of　crystallites　in　the　Nb-doped　alloy　needs　more　activation　energy　than　that　in　the　Nb-free　alloy.　This　crystallization　behaviour　contributes　to　the　formation　of　a　finer　and　more　homogeneous　microstructure　in　the　Nb-doped　alloy　than　in　the　Nb-free　alloy.　And　the　Nb　addition　makes　the　grains　more　equiaxed　shape.　The　intrinsic　coercivity　and　the　maximum　energy　product　increase　from　600　kA/m,　105　kJ/m3　for　Nd10Fe84B6　alloy　to　750　kA/m,　120　kJ/m　3　for　Nd10Fe83Nb1B6　alloy,　respectively.　©　Published　under　licence　by　IOP　Publishing　Ltd.

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Community：

[ 1 ] [Wang, C.]College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
[ 2 ] [Chang, W.C.]Department of Physics, National Chung Cheng University, Chia-Yi 621, Taiwan

Reprint 's Address：

[Wang, C.]College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China

Email：

msewang@fzu.edu.cn

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Source ：

Journal of Physics: Conference Series

ISSN： 1742-6588

Year： 2011

Issue： 1

Volume： 266

Language： English

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WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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