JPWO2009104632A1 - スクラップ磁石の再生方法 - Google Patents
スクラップ磁石の再生方法 Download PDFInfo
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- JPWO2009104632A1 JPWO2009104632A1 JP2009554340A JP2009554340A JPWO2009104632A1 JP WO2009104632 A1 JPWO2009104632 A1 JP WO2009104632A1 JP 2009554340 A JP2009554340 A JP 2009554340A JP 2009554340 A JP2009554340 A JP 2009554340A JP WO2009104632 A1 JPWO2009104632 A1 JP WO2009104632A1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5806—Thermal treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
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- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/241—Chemical after-treatment on the surface
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
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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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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Description
2 真空排気手段
3 真空チャンバ
4 加熱手段
7 処理箱
71 箱部
72 蓋部
8 スペーサー
81 線材
S スクラップ磁石
M リサイクル磁石
v 金属蒸発材料
Claims (5)
- 鉄−ホウ素−希土類系の焼結磁石たるスクラップ磁石を回収して粉砕し、回収原料粉末を得る工程と、
前記回収原料粉末から粉末冶金法により焼結体を得る工程と、
前記焼結体を処理室内に配置して加熱すると共に、同一または他の処理室内に配置したDy、Tbの少なくとも一方を含む金属蒸発材料を蒸発させ、前記蒸発した金属原子の焼結磁石表面への供給量を調節して金属原子を付着させ、この付着した金属原子を焼結体の結晶粒界及び/または結晶粒界相に拡散させる工程とを含むことを特徴とするスクラップ磁石の再生方法。 - 前記回収原料粉末に、急冷法により作製した鉄−ホウ素−希土類系磁石用の合金原料を粉砕して得た原料粉末を混合することを特徴とする請求項1記載のスクラップ磁石の再生方法。
- 前記粉砕は水素粉砕及びジェットミル微粉砕の各工程を経て行われることを特徴とする請求項2記載のスクラップ磁石の再生方法。
- 前記金属蒸発材料の蒸発中に前記焼結磁石が配置された処理室内に不活性ガスを導入する工程を含み、前記不活性ガスの分圧を変化させることで前記供給量を調節し、付着した金属原子からなる薄膜が形成される前に前記金属原子を結晶粒界及び/または結晶粒界相に拡散させることを特徴とする請求項1乃至請求項3のいずれか1項に記載のスクラップ磁石の再生方法。
- 前記焼結体の結晶粒界及び/または結晶粒界相に前記金属原子を拡散させた後、前記加熱の温度より低い温度で熱処理を施すことを特徴とする請求項1乃至請求項4のいずれか1項に記載のスクラップ磁石の再生方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009554340A JP5401328B2 (ja) | 2008-02-20 | 2009-02-18 | スクラップ磁石の再生方法 |
Applications Claiming Priority (4)
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JP2008039299 | 2008-02-20 | ||
JP2008039299 | 2008-02-20 | ||
JP2009554340A JP5401328B2 (ja) | 2008-02-20 | 2009-02-18 | スクラップ磁石の再生方法 |
PCT/JP2009/052748 WO2009104632A1 (ja) | 2008-02-20 | 2009-02-18 | スクラップ磁石の再生方法 |
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JPWO2009104632A1 true JPWO2009104632A1 (ja) | 2011-06-23 |
JP5401328B2 JP5401328B2 (ja) | 2014-01-29 |
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JP2009554340A Active JP5401328B2 (ja) | 2008-02-20 | 2009-02-18 | スクラップ磁石の再生方法 |
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US (1) | US20110052799A1 (ja) |
JP (1) | JP5401328B2 (ja) |
KR (1) | KR101303717B1 (ja) |
CN (1) | CN101952915A (ja) |
DE (1) | DE112009000399T5 (ja) |
RU (1) | RU2446497C1 (ja) |
TW (1) | TWI444236B (ja) |
WO (1) | WO2009104632A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5373834B2 (ja) * | 2011-02-15 | 2013-12-18 | 株式会社豊田中央研究所 | 希土類磁石およびその製造方法 |
JP5691989B2 (ja) * | 2011-10-11 | 2015-04-01 | トヨタ自動車株式会社 | 希土類磁石前駆体の焼結体を形成する磁性粉体の製造方法 |
CN102719725B (zh) * | 2012-07-10 | 2014-02-26 | 宁波科田磁业有限公司 | 烧结钕铁硼废料再成型的方法 |
CN105723480B (zh) * | 2013-06-17 | 2018-07-17 | 城市矿业科技有限责任公司 | 磁铁再生以产生磁性性能改善或恢复的Nd-Fe-B磁铁 |
US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
CN104801719B (zh) * | 2015-05-07 | 2017-12-19 | 安徽万磁电子有限公司 | 一种镀镍烧结钕铁硼废料的再利用工艺 |
CN104801717B (zh) * | 2015-05-07 | 2017-11-14 | 安徽万磁电子有限公司 | 一种镀锌烧结钕铁硼废料的再利用工艺 |
CN104900359B (zh) * | 2015-05-07 | 2017-09-12 | 安泰科技股份有限公司 | 复合靶气相沉淀制备晶界扩散稀土永磁材料的方法 |
CN105185498B (zh) * | 2015-08-28 | 2017-09-01 | 包头天和磁材技术有限责任公司 | 稀土永磁材料及其制造方法 |
JP7108545B2 (ja) | 2016-01-28 | 2022-07-28 | ノヴェオン マグネティックス,インク. | 焼結磁性合金及びそれから誘導される組成物の粒界工学 |
CN107470640B (zh) * | 2017-09-26 | 2019-10-01 | 北京京磁电工科技有限公司 | 钕铁硼磁体的废料再利用制备工艺 |
KR102045401B1 (ko) * | 2018-04-30 | 2019-11-15 | 성림첨단산업(주) | 희토류 영구자석의 제조방법 |
KR102045402B1 (ko) | 2018-04-30 | 2019-11-15 | 성림첨단산업(주) | 희토류 영구자석의 제조방법 |
CN111223622A (zh) * | 2020-01-13 | 2020-06-02 | 桂林电子科技大学 | 一种利用Dy制备的钕铁硼永磁材料及其制备方法 |
CN113724993A (zh) * | 2021-08-26 | 2021-11-30 | 中国科学院江西稀土研究院 | 一种利用含Ce永磁废料制备再生扩散磁体的方法 |
CN114101686B (zh) * | 2021-11-09 | 2023-07-25 | 中磁科技股份有限公司 | 一种钕铁硼氧化毛坯的处理方法 |
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DE3783413T2 (de) * | 1986-09-16 | 1993-05-27 | Tokin Corp | Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders. |
JP2746818B2 (ja) * | 1993-06-02 | 1998-05-06 | 信越化学工業株式会社 | 希土類焼結永久磁石の製造方法 |
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2009
- 2009-02-18 CN CN2009801056641A patent/CN101952915A/zh active Pending
- 2009-02-18 WO PCT/JP2009/052748 patent/WO2009104632A1/ja active Application Filing
- 2009-02-18 RU RU2010138553/07A patent/RU2446497C1/ru active
- 2009-02-18 KR KR1020107020125A patent/KR101303717B1/ko active IP Right Grant
- 2009-02-18 US US12/863,338 patent/US20110052799A1/en not_active Abandoned
- 2009-02-18 DE DE200911000399 patent/DE112009000399T5/de not_active Ceased
- 2009-02-18 JP JP2009554340A patent/JP5401328B2/ja active Active
- 2009-02-20 TW TW98105456A patent/TWI444236B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2009104632A1 (ja) | 2009-08-27 |
TW200940217A (en) | 2009-10-01 |
KR101303717B1 (ko) | 2013-09-04 |
JP5401328B2 (ja) | 2014-01-29 |
CN101952915A (zh) | 2011-01-19 |
TWI444236B (zh) | 2014-07-11 |
RU2446497C1 (ru) | 2012-03-27 |
DE112009000399T5 (de) | 2010-12-30 |
US20110052799A1 (en) | 2011-03-03 |
KR20100127218A (ko) | 2010-12-03 |
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