Recent progress in recycling bulk sintered Nd-Fe-B waste magnets via hydrogen treatment - 文章详情页

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摘要：

Bulk　sintered　Nd-Fe-B　waste　magnets　come　mainly　from　machining　scraps　and　magnets　dissembled　from　waste　apparatus.　These　waste　magnets　keep　the　similar　chemical　composition　and　microstructure　of　virgin　sintered　Nd-Fe-B　magnet.　Therefore,　wet-process　metallurgy　method,　which　involves　complicated　recycling　procedure,　high　recycling　cost　and　potential　environmental　pollution,　is　not　fit　for　bulk　sintered　Nd-Fe-B　waste　magnets.　In　recent　years,　hydrogen　treatment　technology　has　been　developed　to　recycle　the　waste　magnets　in　the　way　of　short　route,　low　cost　and　high　efficiency.　In　present　paper,　the　mechanism,　technical　route　and　current　progress　of　the　hydrogen　treatment　technology　for　waste　magnets　recycling　were　introduced.　©　2016,　Editorial　Office　of　＂Chinese　Rare　Earths＂.　All　right　reserved.

关键词：

Hydrogen treatment; Pulk sintered Nd-Fe-B waste magnets; Recycling technology

作者机构：

[ 1 ] [Li, X.-T.]College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Yue, M.]College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 3 ] [Li, M.]College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Li, C.]College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 5 ] [Ji, W.-X.]College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 6 ] [Liu, W.-Q.]College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 7 ] [Zhang, D.-T.]College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China

通讯作者信息：

岳明
[Yue, M.]College of Materials Science and Engineering, Beijing University of TechnologyChina

电子邮件地址：

yueming@bjut.edu.cn

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