WO2007119551A1 - 希土類永久磁石材料の製造方法 - Google Patents
希土類永久磁石材料の製造方法 Download PDFInfo
- Publication number
- WO2007119551A1 WO2007119551A1 PCT/JP2007/056586 JP2007056586W WO2007119551A1 WO 2007119551 A1 WO2007119551 A1 WO 2007119551A1 JP 2007056586 W JP2007056586 W JP 2007056586W WO 2007119551 A1 WO2007119551 A1 WO 2007119551A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rare earth
- powder
- magnet body
- permanent magnet
- earth permanent
- Prior art date
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Classifications
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- 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
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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
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/30—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes using a layer of powder or paste on the surface
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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
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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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
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
-
- 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
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/52—Embedding in a powder mixture, i.e. pack cementation more than one element being diffused in one step
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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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
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- 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
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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
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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
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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
- B22F2003/242—Coating
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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
- B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
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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
- B22F2003/248—Thermal after-treatment
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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
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- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07740024.0A EP1890301B1 (en) | 2006-04-14 | 2007-03-28 | Method for producing rare earth permanent magnet material |
BRPI0702848-2A BRPI0702848B1 (pt) | 2006-04-14 | 2007-03-28 | Método para a preparação de material de magneto permanente de terras raras |
CN2007800003760A CN101317238B (zh) | 2006-04-14 | 2007-03-28 | 稀土永磁体材料的制备方法 |
KR1020077021606A KR101361556B1 (ko) | 2006-04-14 | 2007-03-28 | 희토류 영구자석 재료의 제조 방법 |
US11/916,498 US8420010B2 (en) | 2006-04-14 | 2007-03-28 | Method for preparing rare earth permanent magnet material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006112358A JP4605396B2 (ja) | 2006-04-14 | 2006-04-14 | 希土類永久磁石材料の製造方法 |
JP2006-112358 | 2006-04-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007119551A1 true WO2007119551A1 (ja) | 2007-10-25 |
Family
ID=38609326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/056586 WO2007119551A1 (ja) | 2006-04-14 | 2007-03-28 | 希土類永久磁石材料の製造方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8420010B2 (ja) |
EP (1) | EP1890301B1 (ja) |
JP (1) | JP4605396B2 (ja) |
KR (1) | KR101361556B1 (ja) |
CN (1) | CN101317238B (ja) |
BR (1) | BRPI0702848B1 (ja) |
MY (1) | MY146948A (ja) |
RU (1) | RU2417138C2 (ja) |
TW (1) | TWI423274B (ja) |
WO (1) | WO2007119551A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7883587B2 (en) | 2006-11-17 | 2011-02-08 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet |
US7955443B2 (en) | 2006-04-14 | 2011-06-07 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet material |
US8211327B2 (en) | 2004-10-19 | 2012-07-03 | Shin-Etsu Chemical Co., Ltd. | Preparation of rare earth permanent magnet material |
US8231740B2 (en) | 2006-04-14 | 2012-07-31 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet material |
JP2013236071A (ja) * | 2012-04-11 | 2013-11-21 | Shin Etsu Chem Co Ltd | 希土類焼結磁石及びその製造方法 |
CN104603895A (zh) * | 2012-08-31 | 2015-05-06 | 信越化学工业株式会社 | 稀土永磁体的制造方法 |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4605396B2 (ja) | 2006-04-14 | 2011-01-05 | 信越化学工業株式会社 | 希土類永久磁石材料の製造方法 |
JP4753030B2 (ja) * | 2006-04-14 | 2011-08-17 | 信越化学工業株式会社 | 希土類永久磁石材料の製造方法 |
MY149353A (en) * | 2007-03-16 | 2013-08-30 | Shinetsu Chemical Co | Rare earth permanent magnet and its preparations |
JP5363314B2 (ja) * | 2007-05-01 | 2013-12-11 | インターメタリックス株式会社 | NdFeB系焼結磁石製造方法 |
JP5328161B2 (ja) | 2008-01-11 | 2013-10-30 | インターメタリックス株式会社 | NdFeB焼結磁石の製造方法及びNdFeB焼結磁石 |
JP5209349B2 (ja) * | 2008-03-13 | 2013-06-12 | インターメタリックス株式会社 | NdFeB焼結磁石の製造方法 |
JP5057111B2 (ja) * | 2009-07-01 | 2012-10-24 | 信越化学工業株式会社 | 希土類磁石の製造方法 |
JP5687621B2 (ja) | 2009-07-10 | 2015-03-18 | インターメタリックス株式会社 | NdFeB焼結磁石及びその製造方法 |
CN101707107B (zh) * | 2009-11-23 | 2012-05-23 | 烟台首钢磁性材料股份有限公司 | 一种高剩磁高矫顽力稀土永磁材料的制造方法 |
JP2012074470A (ja) * | 2010-09-28 | 2012-04-12 | Tdk Corp | 希土類磁石、希土類磁石の製造方法及び回転機 |
MY174972A (en) | 2011-05-02 | 2020-05-29 | Shinetsu Chemical Co | Rare earth permanent magnets and their preparation |
CN103903823B (zh) * | 2012-12-26 | 2016-12-28 | 宁波金鸡强磁股份有限公司 | 一种稀土永磁材料及其制备方法 |
JP5643355B2 (ja) * | 2013-02-21 | 2014-12-17 | インターメタリックス株式会社 | NdFeB焼結磁石の製造方法 |
WO2014204106A1 (ko) * | 2013-06-18 | 2014-12-24 | 고려대학교 산학협력단 | 영구 자석의 제조 방법 |
CN104681225A (zh) * | 2013-12-03 | 2015-06-03 | 湖南稀土金属材料研究院 | 一种提高烧结钕铁硼材料性能的处理方法 |
KR101543111B1 (ko) | 2013-12-17 | 2015-08-10 | 현대자동차주식회사 | NdFeB 영구자석 및 그 제조방법 |
KR101534717B1 (ko) * | 2013-12-31 | 2015-07-24 | 현대자동차 주식회사 | 희토류계 자석 제조 방법 |
KR20160147711A (ko) | 2014-04-25 | 2016-12-23 | 히다찌긴조꾸가부시끼가이사 | R-t-b계 소결 자석의 제조 방법 |
WO2015182705A1 (ja) * | 2014-05-29 | 2015-12-03 | 日立金属株式会社 | R-t-b系焼結磁石の製造方法 |
CN106688065B (zh) * | 2014-09-11 | 2019-05-31 | 日立金属株式会社 | R-t-b系烧结磁体的制造方法 |
WO2016039353A1 (ja) * | 2014-09-11 | 2016-03-17 | 日立金属株式会社 | R-t-b系焼結磁石の製造方法 |
CN107004500B (zh) | 2014-12-12 | 2019-04-09 | 日立金属株式会社 | R-t-b系烧结磁体的制造方法 |
JP6477723B2 (ja) | 2014-12-12 | 2019-03-06 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
KR101624245B1 (ko) * | 2015-01-09 | 2016-05-26 | 현대자동차주식회사 | 희토류 영구 자석 및 그 제조방법 |
US10460871B2 (en) | 2015-10-30 | 2019-10-29 | GM Global Technology Operations LLC | Method for fabricating non-planar magnet |
CN111326307B (zh) * | 2020-03-17 | 2021-12-28 | 宁波金鸡强磁股份有限公司 | 一种渗透磁体用的涂覆材料及高矫顽力钕铁硼磁体的制备方法 |
RU2746517C1 (ru) * | 2020-03-18 | 2021-04-14 | Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук (ИМЕТ РАН) | Способ изготовления спеченных редкоземельных магнитов мелких и средних типоразмеров |
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JPH06244011A (ja) * | 1992-12-26 | 1994-09-02 | Sumitomo Special Metals Co Ltd | 耐食性のすぐれた希土類磁石及びその製造方法 |
JP2006049865A (ja) | 2004-06-30 | 2006-02-16 | Shin Etsu Chem Co Ltd | 耐食性希土類磁石及びその製造方法 |
WO2006043348A1 (ja) * | 2004-10-19 | 2006-04-27 | Shin-Etsu Chemical Co., Ltd. | 希土類永久磁石材料の製造方法 |
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JPH0663086B2 (ja) * | 1985-09-27 | 1994-08-17 | 住友特殊金属株式会社 | 永久磁石材料及びその製造方法 |
JPH0742553B2 (ja) | 1986-02-18 | 1995-05-10 | 住友特殊金属株式会社 | 永久磁石材料及びその製造方法 |
JP2546989B2 (ja) | 1986-04-30 | 1996-10-23 | 株式会社 トーキン | 耐酸化性に優れた永久磁石 |
JPS636808A (ja) | 1986-06-26 | 1988-01-12 | Shin Etsu Chem Co Ltd | 希土類永久磁石 |
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- 2007-03-28 BR BRPI0702848-2A patent/BRPI0702848B1/pt active IP Right Grant
- 2007-03-28 WO PCT/JP2007/056586 patent/WO2007119551A1/ja active Application Filing
- 2007-03-28 EP EP07740024.0A patent/EP1890301B1/en active Active
- 2007-03-28 CN CN2007800003760A patent/CN101317238B/zh active Active
- 2007-04-10 TW TW096112524A patent/TWI423274B/zh active
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US8211327B2 (en) | 2004-10-19 | 2012-07-03 | Shin-Etsu Chemical Co., Ltd. | Preparation of rare earth permanent magnet material |
US8377233B2 (en) | 2004-10-19 | 2013-02-19 | Shin-Etsu Chemical Co., Ltd. | Preparation of rare earth permanent magnet material |
US7955443B2 (en) | 2006-04-14 | 2011-06-07 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet material |
US8231740B2 (en) | 2006-04-14 | 2012-07-31 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet material |
US7883587B2 (en) | 2006-11-17 | 2011-02-08 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet |
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US10074477B2 (en) | 2012-04-11 | 2018-09-11 | Shin-Etsu Chemical Co., Ltd. | Rare earth sintered magnet and making method |
CN104603895A (zh) * | 2012-08-31 | 2015-05-06 | 信越化学工业株式会社 | 稀土永磁体的制造方法 |
CN104603895B (zh) * | 2012-08-31 | 2017-12-01 | 信越化学工业株式会社 | 稀土永磁体的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
TW200802428A (en) | 2008-01-01 |
BRPI0702848B1 (pt) | 2018-08-07 |
KR101361556B1 (ko) | 2014-02-12 |
EP1890301A4 (en) | 2010-04-21 |
BRPI0702848A (pt) | 2008-04-01 |
JP4605396B2 (ja) | 2011-01-05 |
CN101317238B (zh) | 2013-06-05 |
US8420010B2 (en) | 2013-04-16 |
TWI423274B (zh) | 2014-01-11 |
MY146948A (en) | 2012-10-15 |
CN101317238A (zh) | 2008-12-03 |
RU2417138C2 (ru) | 2011-04-27 |
RU2007141922A (ru) | 2009-05-20 |
KR20080110450A (ko) | 2008-12-18 |
EP1890301A1 (en) | 2008-02-20 |
US20090226339A1 (en) | 2009-09-10 |
EP1890301B1 (en) | 2014-05-21 |
JP2007287874A (ja) | 2007-11-01 |
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