Recycling of additively printed rare-earth bonded magnets

Copyright © 2019 Elsevier Ltd. All rights reserved.

Détails bibliographiques
Publié dans:Waste management (New York, N.Y.). - 1999. - 90(2019) vom: 01. Mai, Seite 94-99
Auteur principal: Gandha, Kinjal (Auteur)
Autres auteurs: Ouyang, Gaoyuan, Gupta, Shalabh, Kunc, Vlastimil, Parans Paranthaman, M, Nlebedim, Ikenna C
Format: Article en ligne
Langue:English
Publié: 2019
Accès à la collection:Waste management (New York, N.Y.)
Sujets:Journal Article Additive manufacturing Bonded magnets Cryomilling Nd-Fe-B Recycling Waste management Metals, Rare Earth Neodymium 2I87U3734A
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520 |a In this work, we describe an efficient and environmentally benign method of recycling of additive printed Nd-Fe-B polymer bonded magnets. Rapid pulverization of bonded magnets into composite powder containing Nd-Fe-B particles and polymer binder was achieved by milling at cryogenic temperatures. The recycled bonded magnets fabricated by warm compaction of ground cryomilled coarse composite powders and nylon particles showed improved magnetic properties and density. Remanent magnetization and saturation magnetization increased by 4% and 6.5% respectively, due to enhanced density while coercivity and energy product were retained from the original additive printed bonded magnets. This study presents a facile method that enables the direct reuse of end-of-life bonded magnets for remaking new bonded magnets. In addition to magnetic properties, mechanical properties comparable to commercial products have been achieved. This research advances efforts to ensure sustainability in critical materials by forming close loop supply chain 
650 4 |a Journal Article 
650 4 |a Additive manufacturing 
650 4 |a Bonded magnets 
650 4 |a Cryomilling 
650 4 |a Nd-Fe-B 
650 4 |a Recycling 
650 4 |a Waste management 
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650 7 |a 2I87U3734A  |2 NLM 
700 1 |a Ouyang, Gaoyuan  |e verfasserin  |4 aut 
700 1 |a Gupta, Shalabh  |e verfasserin  |4 aut 
700 1 |a Kunc, Vlastimil  |e verfasserin  |4 aut 
700 1 |a Parans Paranthaman, M  |e verfasserin  |4 aut 
700 1 |a Nlebedim, Ikenna C  |e verfasserin  |4 aut 
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