CN104465062B - RFeB系磁体的制造方法 - Google Patents
RFeB系磁体的制造方法 Download PDFInfo
- Publication number
- CN104465062B CN104465062B CN201410490050.2A CN201410490050A CN104465062B CN 104465062 B CN104465062 B CN 104465062B CN 201410490050 A CN201410490050 A CN 201410490050A CN 104465062 B CN104465062 B CN 104465062B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 95
- 239000000758 substrate Substances 0.000 claims abstract description 93
- 239000000843 powder Substances 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 16
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 13
- 239000003960 organic solvent Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 229910052771 Terbium Inorganic materials 0.000 claims abstract description 6
- 229910052692 Dysprosium Inorganic materials 0.000 claims abstract description 5
- 229910052689 Holmium Inorganic materials 0.000 claims abstract description 5
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 22
- 239000004519 grease Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 230000009969 flowable effect Effects 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 description 15
- 239000000956 alloy Substances 0.000 description 15
- 239000013078 crystal Substances 0.000 description 13
- 230000005415 magnetization Effects 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 239000002270 dispersing agent Substances 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
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- 238000007906 compression Methods 0.000 description 3
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- 238000005259 measurement Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 description 2
- 125000000962 organic group Chemical group 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
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- 230000001419 dependent effect Effects 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
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- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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- 229920002521 macromolecule Polymers 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
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- -1 siloxanes Chemical class 0.000 description 1
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- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- H01F41/14—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 applying magnetic films to substrates
- H01F41/16—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 applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- 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
- H01F1/0536—Alloys characterised by their composition containing rare earth metals sintered
-
- 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
- H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013196922A JP6303356B2 (ja) | 2013-09-24 | 2013-09-24 | RFeB系磁石の製造方法 |
| JP2013-196922 | 2013-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104465062A CN104465062A (zh) | 2015-03-25 |
| CN104465062B true CN104465062B (zh) | 2018-11-16 |
Family
ID=52623775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410490050.2A Active CN104465062B (zh) | 2013-09-24 | 2014-09-23 | RFeB系磁体的制造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9368277B2 (cg-RX-API-DMAC7.html) |
| JP (1) | JP6303356B2 (cg-RX-API-DMAC7.html) |
| CN (1) | CN104465062B (cg-RX-API-DMAC7.html) |
| DE (1) | DE102014113865A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10475561B2 (en) | 2013-03-18 | 2019-11-12 | Intermetallics Co., Ltd. | RFeB system magnet production method, RFeB system magnet, and coating material for grain boundary diffusion treatment |
| JP6112084B2 (ja) * | 2014-08-28 | 2017-04-12 | トヨタ自動車株式会社 | 希土類磁石の製造方法 |
| WO2016147985A1 (ja) * | 2015-03-13 | 2016-09-22 | 日立金属株式会社 | R-t-b系焼結磁石の製造方法、当該方法に使用される塗布デバイスおよび塗布装置 |
| JP6350380B2 (ja) * | 2015-04-28 | 2018-07-04 | 信越化学工業株式会社 | 希土類磁石の製造方法 |
| JP6394484B2 (ja) * | 2015-04-28 | 2018-09-26 | 信越化学工業株式会社 | 希土類磁石の製造方法及び希土類化合物の塗布装置 |
| JP6361568B2 (ja) | 2015-04-28 | 2018-07-25 | 信越化学工業株式会社 | 希土類磁石の製造方法及びスラリー塗布装置 |
| CN105185501B (zh) * | 2015-08-28 | 2017-08-11 | 包头天和磁材技术有限责任公司 | 稀土永磁材料的制造方法 |
| JP6784484B2 (ja) | 2015-09-11 | 2020-11-11 | Tdk株式会社 | R−t−b系焼結磁石およびモータ |
| JP6939299B2 (ja) * | 2016-10-31 | 2021-09-22 | 大同特殊鋼株式会社 | RFeB系磁石の製造方法 |
| DE102017125326A1 (de) * | 2016-10-31 | 2018-05-03 | Daido Steel Co., Ltd. | Verfahren zum Herstellen eines RFeB-basierten Magneten |
| CN108582791B (zh) * | 2018-04-27 | 2024-02-09 | 鑫精合激光科技发展(北京)有限公司 | 一种制备基材的方法和一种基材 |
| JP7251264B2 (ja) * | 2019-03-28 | 2023-04-04 | Tdk株式会社 | R‐t‐b系永久磁石の製造方法 |
| CN110634669A (zh) * | 2019-07-02 | 2019-12-31 | 江苏江淮磁业有限公司 | 一种铈铁硼磁铁的成形方法 |
| CN110890210B (zh) * | 2019-11-28 | 2021-04-20 | 烟台首钢磁性材料股份有限公司 | 一种弧形钕铁硼磁体矫顽力提升方法 |
| CN111128507B (zh) * | 2019-12-18 | 2021-01-26 | 安徽朗基新材料科技有限公司 | 一种软磁铁氧体颗粒生产用浆料烧结装置 |
| CN111968849B (zh) * | 2020-03-24 | 2025-05-13 | 烟台首钢磁性材料股份有限公司 | 一种环形钕铁硼磁体矫顽力提升装置及提升方法 |
| KR102758091B1 (ko) * | 2020-04-23 | 2025-01-22 | 현대자동차주식회사 | 희토류 영구자석 제조방법 및 이에 의해 제조되는 희토류 영구자석 |
| EP3933859B1 (en) * | 2020-04-30 | 2023-08-02 | Huawei Technologies Co., Ltd. | Magnetic stabilization method for permanent magnet, magnetically stabilized permanent magnet, and permanent magnet motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240088C (zh) * | 2001-07-02 | 2006-02-01 | 株式会社新王磁材 | 制备稀土烧结磁体的方法 |
| CN1262355C (zh) * | 2002-11-12 | 2006-07-05 | 松下电器产业株式会社 | 挤压型喷嘴和使用该喷嘴的涂布装置 |
| CN101735686A (zh) * | 2008-11-18 | 2010-06-16 | 帕洛阿尔托研究中心公司 | 用于挤出的易流动油墨 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2643620A (en) * | 1948-11-22 | 1953-06-30 | Leonidas C Miller | Extrusion device |
| US5986634A (en) * | 1996-12-11 | 1999-11-16 | Silicon Light Machines | Display/monitor with orientation dependent rotatable image |
| CN1100171C (zh) * | 1999-01-27 | 2003-01-29 | 孙安国 | 多功能可纺金属纤维 |
| US6833157B2 (en) * | 2001-09-28 | 2004-12-21 | Fuji Photo Film Co., Ltd. | Coating method and apparatus |
| JP4391897B2 (ja) | 2004-07-01 | 2009-12-24 | インターメタリックス株式会社 | 磁気異方性希土類焼結磁石の製造方法及び製造装置 |
| JP4702546B2 (ja) | 2005-03-23 | 2011-06-15 | 信越化学工業株式会社 | 希土類永久磁石 |
| JP4561987B2 (ja) * | 2005-03-28 | 2010-10-13 | Tdk株式会社 | 樹脂被覆磁石及びその製造方法 |
| US20080265055A1 (en) * | 2007-04-30 | 2008-10-30 | Ke-Ming Quan | Ultrasonic nozzle |
| US9324485B2 (en) | 2008-02-29 | 2016-04-26 | Daido Steel Co., Ltd. | Material for anisotropic magnet and method of manufacturing the same |
| JP4618390B1 (ja) * | 2009-12-16 | 2011-01-26 | Tdk株式会社 | 希土類焼結磁石製造方法及び塗布装置 |
| EP2544199A4 (en) * | 2010-03-04 | 2017-11-29 | TDK Corporation | Sintered rare-earth magnet and motor |
| JP5406112B2 (ja) | 2010-04-27 | 2014-02-05 | インターメタリックス株式会社 | 粒界拡散処理用塗布装置 |
| JP5088404B2 (ja) * | 2010-08-23 | 2012-12-05 | Tdk株式会社 | 希土類焼結磁石製造方法及び塗布装置 |
| JP5760439B2 (ja) * | 2010-12-28 | 2015-08-12 | Tdk株式会社 | スラリー供給装置及び塗布装置 |
| WO2013061836A1 (ja) * | 2011-10-27 | 2013-05-02 | インターメタリックス株式会社 | NdFeB系焼結磁石の製造方法 |
| US20130153088A1 (en) * | 2011-12-15 | 2013-06-20 | Vacuumschmelze Gmbh & Co. Kg | Method for producing a rare earth-based magnet |
| US9028624B2 (en) * | 2011-12-27 | 2015-05-12 | Intermetallics Co., Ltd. | NdFeB system sintered magnet and method for producing the same |
| JP6035024B2 (ja) | 2012-01-10 | 2016-11-30 | 大同特殊鋼株式会社 | 非筒状の永久磁石の製造方法 |
| JP5858234B2 (ja) | 2012-03-21 | 2016-02-10 | 国立研究開発法人産業技術総合研究所 | リチウムイオン電池用電解質 |
| US20150059525A1 (en) * | 2012-03-30 | 2015-03-05 | Intermetallics Co., Ltd. | NdFeB SYSTEM SINTERED MAGNET |
-
2013
- 2013-09-24 JP JP2013196922A patent/JP6303356B2/ja active Active
-
2014
- 2014-09-22 US US14/492,444 patent/US9368277B2/en active Active
- 2014-09-23 CN CN201410490050.2A patent/CN104465062B/zh active Active
- 2014-09-24 DE DE201410113865 patent/DE102014113865A1/de not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1240088C (zh) * | 2001-07-02 | 2006-02-01 | 株式会社新王磁材 | 制备稀土烧结磁体的方法 |
| CN1262355C (zh) * | 2002-11-12 | 2006-07-05 | 松下电器产业株式会社 | 挤压型喷嘴和使用该喷嘴的涂布装置 |
| CN101735686A (zh) * | 2008-11-18 | 2010-06-16 | 帕洛阿尔托研究中心公司 | 用于挤出的易流动油墨 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104465062A (zh) | 2015-03-25 |
| JP6303356B2 (ja) | 2018-04-04 |
| DE102014113865A1 (de) | 2015-03-26 |
| JP2015065218A (ja) | 2015-04-09 |
| US20150086710A1 (en) | 2015-03-26 |
| US9368277B2 (en) | 2016-06-14 |
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