CN103650079B - 制造除去了碳的R‑Fe‑B系永久磁石合金再生材料的方法 - Google Patents
制造除去了碳的R‑Fe‑B系永久磁石合金再生材料的方法 Download PDFInfo
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- CN103650079B CN103650079B CN201280031803.2A CN201280031803A CN103650079B CN 103650079 B CN103650079 B CN 103650079B CN 201280031803 A CN201280031803 A CN 201280031803A CN 103650079 B CN103650079 B CN 103650079B
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- alloy
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- permanet magnet
- stove
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F8/00—Manufacture of articles from scrap or waste metal particles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Abstract
Description
Claims (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011-145338 | 2011-06-30 | ||
JP2011145338 | 2011-06-30 | ||
PCT/JP2012/066712 WO2013002376A1 (ja) | 2011-06-30 | 2012-06-29 | 炭素が除去されたR-Fe-B系永久磁石合金再生材料を製造する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103650079A CN103650079A (zh) | 2014-03-19 |
CN103650079B true CN103650079B (zh) | 2017-11-28 |
Family
ID=47424261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280031803.2A Active CN103650079B (zh) | 2011-06-30 | 2012-06-29 | 制造除去了碳的R‑Fe‑B系永久磁石合金再生材料的方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9657367B2 (zh) |
JP (1) | JP5939252B2 (zh) |
CN (1) | CN103650079B (zh) |
WO (1) | WO2013002376A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3790029A1 (en) * | 2013-06-17 | 2021-03-10 | Urban Mining Technology Company, LLC | Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance |
US9336932B1 (en) * | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
JP6421645B2 (ja) * | 2015-02-28 | 2018-11-14 | 日立金属株式会社 | 炭素が除去されたR−Fe−B系永久磁石合金再生材料を製造する方法 |
TWI683007B (zh) * | 2015-07-31 | 2020-01-21 | 日商日東電工股份有限公司 | 稀土類磁鐵形成用燒結體及稀土類燒結磁鐵 |
US10323300B1 (en) * | 2015-09-25 | 2019-06-18 | U.S. Department Of Energy | Process for recycling rare earth magnets |
DE102016216355A1 (de) | 2016-08-30 | 2018-03-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Recycling von Permanentmagneten durch Schmelzen und Rascherstarren |
JP6760538B2 (ja) * | 2018-07-19 | 2020-09-23 | 愛知製鋼株式会社 | 希土類磁石粉末の製造方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970485A (en) * | 1975-01-20 | 1976-07-20 | Hitachi Magnetics Corporation | Binder and lubricant removal from cobalt-rare earth alloys |
JPS61153201A (ja) * | 1984-12-27 | 1986-07-11 | Tdk Corp | 希土類磁石のスクラツプ再生方法 |
JPH0768561B2 (ja) * | 1987-09-22 | 1995-07-26 | 三菱マテリアル株式会社 | 希土類−Fe−B系合金磁石粉末の製造法 |
CN1012477B (zh) * | 1987-08-19 | 1991-05-01 | 三菱金属株式会社 | 稀土-铁-硼磁体粉末及其制备方法 |
JPH1012473A (ja) * | 1996-06-26 | 1998-01-16 | Hitachi Metals Ltd | 希土類永久磁石の製造方法 |
JPH1022155A (ja) * | 1996-07-05 | 1998-01-23 | Hitachi Metals Ltd | 希土類永久磁石の製造方法および希土類永久磁石 |
US6444052B1 (en) * | 1999-10-13 | 2002-09-03 | Aichi Steel Corporation | Production method of anisotropic rare earth magnet powder |
JP2003051418A (ja) * | 2001-01-22 | 2003-02-21 | Sumitomo Metal Ind Ltd | 希土類磁石スクラップの再生方法 |
DE10255604B4 (de) * | 2002-11-28 | 2006-06-14 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zum Herstellen eines anisotropen Magnetpulvers und eines gebundenen anisotropen Magneten daraus |
JP4556727B2 (ja) * | 2005-03-23 | 2010-10-06 | Tdk株式会社 | 希土類焼結磁石の製造方法 |
CN100454449C (zh) * | 2006-04-24 | 2009-01-21 | 严高林 | 退化稀土永磁材料再生高性能永磁体的方法 |
CN101379574B (zh) * | 2006-11-30 | 2012-05-23 | 日立金属株式会社 | R-Fe-B系微晶高密度磁铁及其制造方法 |
CN100491023C (zh) * | 2007-02-15 | 2009-05-27 | 山西汇镪磁性材料制作有限公司 | 烧结钕铁硼永磁体机械加工后所产生粉削再生利用的处理方法 |
GB2486175A (en) * | 2010-12-02 | 2012-06-13 | Univ Birmingham | Separating rare earth magnetic materials from electronic devices |
-
2012
- 2012-06-29 WO PCT/JP2012/066712 patent/WO2013002376A1/ja active Application Filing
- 2012-06-29 CN CN201280031803.2A patent/CN103650079B/zh active Active
- 2012-06-29 US US14/125,715 patent/US9657367B2/en active Active
- 2012-06-29 JP JP2013522978A patent/JP5939252B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20140123809A1 (en) | 2014-05-08 |
CN103650079A (zh) | 2014-03-19 |
WO2013002376A1 (ja) | 2013-01-03 |
US9657367B2 (en) | 2017-05-23 |
JP5939252B2 (ja) | 2016-06-22 |
JPWO2013002376A1 (ja) | 2015-02-23 |
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CB02 | Change of applicant information |
Address after: Japan Tokyo port harbor 2 chome No. 70 Applicant after: Hitachi Metals Co., Ltd. Address before: Tokyo, Japan Applicant before: Hitachi Metals Co., Ltd. |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140319 Assignee: Hitachi metal ring Ci material (Nantong) Co. Ltd. Assignor: Hitachi Metals Contract record no.: 2017990000034 Denomination of invention: Process for producing decarbonized reclaimed material from R-Fe-B permanent magnet alloy License type: Common License Record date: 20170209 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CI03 | Correction of invention patent | ||
CI03 | Correction of invention patent |
Correction item: A transferee of the entry into force of the contract Correct: Hitachi metal ring magnets (Nantong) Co. Ltd. False: Hitachi metal ring Ci material (Nantong) Co. Ltd. Number: 11 Volume: 33 |