KR100187611B1 - 희토류.철계 소결영구자석의 제조방법 및 성형재료 - Google Patents
희토류.철계 소결영구자석의 제조방법 및 성형재료 Download PDFInfo
- Publication number
- KR100187611B1 KR100187611B1 KR1019940037118A KR19940037118A KR100187611B1 KR 100187611 B1 KR100187611 B1 KR 100187611B1 KR 1019940037118 A KR1019940037118 A KR 1019940037118A KR 19940037118 A KR19940037118 A KR 19940037118A KR 100187611 B1 KR100187611 B1 KR 100187611B1
- Authority
- KR
- South Korea
- Prior art keywords
- alloy powder
- lubricant
- atomic
- alloy
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP93-335406 | 1993-12-28 | ||
| JP33540693 | 1993-12-28 | ||
| JP25390494 | 1994-10-19 | ||
| JP94-253904 | 1994-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950017007A KR950017007A (ko) | 1995-07-20 |
| KR100187611B1 true KR100187611B1 (ko) | 1999-06-01 |
Family
ID=26541456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940037118A Expired - Lifetime KR100187611B1 (ko) | 1993-12-28 | 1994-12-27 | 희토류.철계 소결영구자석의 제조방법 및 성형재료 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US5486224A (enExample) |
| EP (1) | EP0669628B1 (enExample) |
| KR (1) | KR100187611B1 (enExample) |
| CN (1) | CN1045680C (enExample) |
| CA (1) | CA2139157C (enExample) |
| DE (1) | DE69409357T2 (enExample) |
| FI (1) | FI946137L (enExample) |
| TW (1) | TW278190B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100734061B1 (ko) * | 1999-11-12 | 2007-07-02 | 가부시키가이샤 네오맥스 | 희토류 자석의 제조방법 |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5666635A (en) * | 1994-10-07 | 1997-09-09 | Sumitomo Special Metals Co., Ltd. | Fabrication methods for R-Fe-B permanent magnets |
| US5819154A (en) * | 1995-12-08 | 1998-10-06 | Hitachi Powdered Metal Co., Ltd. | Manufacturing process of sintered iron alloy improved in machinability, mixed powder for manufacturing, modification of iron alloy and iron alloy product |
| CN1288679C (zh) * | 1998-04-22 | 2006-12-06 | 株式会社新王磁材 | 生产R-Fe-B磁体的方法和用于模压加工该磁体的润滑剂 |
| DE10042357B4 (de) * | 1999-08-30 | 2009-04-09 | Hitachi Metals, Ltd. | Verfahren zur Herstellung eines Sintermagneten vom R-Fe-B-Typ, und Verfahren zur Herstellung eines Legierungspulver-Materials für einen Sintermagneten vom R-Fe-B-Typ |
| US6659825B2 (en) | 2001-06-04 | 2003-12-09 | Jonathan G. Foss | Self-inflating child floatation device |
| WO2005105343A1 (ja) * | 2004-04-30 | 2005-11-10 | Neomax Co., Ltd. | 希土類磁石用原料合金および粉末ならびに焼結磁石の製造方法 |
| MY142088A (en) * | 2005-03-23 | 2010-09-15 | Shinetsu Chemical Co | Rare earth permanent magnet |
| DE102005027767A1 (de) * | 2005-06-15 | 2006-12-28 | Infineon Technologies Ag | Integriertes magnetisches Sensorbauteil |
| CN101937769B (zh) * | 2010-09-13 | 2012-05-09 | 华南理工大学 | 一种各向异性无粘结剂钕铁硼磁体的高速压制成形方法 |
| CN102136329A (zh) * | 2011-04-01 | 2011-07-27 | 钢铁研究总院 | 一种铁基复合软磁材料及其制备方法 |
| JP5908247B2 (ja) * | 2011-09-30 | 2016-04-26 | 日東電工株式会社 | 永久磁石の製造方法 |
| CN103093921B (zh) | 2013-01-29 | 2016-08-24 | 烟台首钢磁性材料股份有限公司 | 一种r-t-b-m-c系烧结磁铁及其制造方法及专用装置 |
| CN103258634B (zh) * | 2013-05-30 | 2015-11-25 | 烟台正海磁性材料股份有限公司 | 一种制备高性能R-Fe-B系烧结磁体方法 |
| 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 |
| JP6221978B2 (ja) * | 2014-07-25 | 2017-11-01 | トヨタ自動車株式会社 | 希土類磁石の製造方法 |
| US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
| CN108140461A (zh) * | 2015-07-31 | 2018-06-08 | 日东电工株式会社 | 稀土类磁体形成用烧结体和稀土类烧结磁体 |
| CN111243848B (zh) * | 2020-02-28 | 2022-01-04 | 安徽大地熊新材料股份有限公司 | 一种烧结钕铁硼磁体及其制备方法 |
| CN113571280B (zh) * | 2021-07-23 | 2024-02-13 | 包头天和磁材科技股份有限公司 | 钕铁硼磁体粗粉助剂及制备方法、用途和磁体的制备方法 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148297A (en) * | 1978-05-15 | 1979-11-20 | Mitsubishi Steel Mfg | Heattproof composite magnet and method of making same |
| JPS5763601A (en) * | 1980-10-01 | 1982-04-17 | Dainippon Ink & Chem Inc | Ferromagnetic metallic powder and its manufacture |
| JPS5932881B2 (ja) * | 1980-10-09 | 1984-08-11 | 大日本インキ化学工業株式会社 | 強磁性金属粉末の製造方法 |
| JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
| JPS5964733A (ja) * | 1982-09-27 | 1984-04-12 | Sumitomo Special Metals Co Ltd | 永久磁石 |
| US4597938A (en) * | 1983-05-21 | 1986-07-01 | Sumitomo Special Metals Co., Ltd. | Process for producing permanent magnet materials |
| JPS59227730A (ja) * | 1983-06-06 | 1984-12-21 | Ube Ind Ltd | 磁性粉末の製造法 |
| DE3411852C2 (de) * | 1984-03-30 | 1986-04-24 | Bernhard Förster GmbH, 7530 Pforzheim | Zahnregulierungsvorrichtung |
| CN1007847B (zh) * | 1984-12-24 | 1990-05-02 | 住友特殊金属株式会社 | 制造具有改进耐蚀性磁铁的方法 |
| USRE34838E (en) * | 1984-12-31 | 1995-01-31 | Tdk Corporation | Permanent magnet and method for producing same |
| JPS63138706A (ja) * | 1986-12-01 | 1988-06-10 | Tdk Corp | 永久磁石の製造方法 |
| JP2665590B2 (ja) * | 1987-06-19 | 1997-10-22 | 住友特殊金属株式会社 | 希土類―鉄―ボロン系磁気異方性焼結永久磁石原料用合金薄板並びに磁気異方性焼結永久磁石原料用合金粉末,及び磁気異方性焼結永久磁石 |
| US4770273A (en) * | 1987-12-07 | 1988-09-13 | Mccrane Co. | Ladder lift apparatus |
| JPH0452203A (ja) * | 1990-06-19 | 1992-02-20 | Kawasaki Steel Corp | 希土類系永久磁石用合金粉末の成型助剤 |
| JPH04124202A (ja) * | 1990-09-12 | 1992-04-24 | Kawasaki Steel Corp | 希土類系永久磁石用合金粉末の成型助剤 |
| JPH04191392A (ja) * | 1990-11-27 | 1992-07-09 | Kawasaki Steel Corp | 耐食性に優れた表面処理鋼板 |
| JP2915560B2 (ja) * | 1990-11-27 | 1999-07-05 | 信越化学工業株式会社 | 希土類鉄系永久磁石の製造方法 |
| JPH04214803A (ja) * | 1991-02-28 | 1992-08-05 | Sumitomo Special Metals Co Ltd | 希土類・鉄・ボロン系永久磁石用合金粉末の成型方法 |
| JPH04214804A (ja) * | 1991-02-28 | 1992-08-05 | Sumitomo Special Metals Co Ltd | 希土類・鉄・ボロン系永久磁石用合金粉末の成型方法 |
| US5393445A (en) * | 1991-12-26 | 1995-02-28 | Daido Tokushuko Kabushiki Kaisha | Rare-earth bonded magnet, material and method for manufacturing the same |
| JP3932143B2 (ja) * | 1992-02-21 | 2007-06-20 | Tdk株式会社 | 磁石の製造方法 |
| US5380179A (en) * | 1992-03-16 | 1995-01-10 | Kawasaki Steel Corporation | Binder system for use in the injection molding of sinterable powders and molding compound containing the binder system |
| US5427734A (en) * | 1992-06-24 | 1995-06-27 | Sumitomo Special Metals Co., Ltd. | Process for preparing R-Fe-B type sintered magnets employing the injection molding method |
-
1994
- 1994-12-27 KR KR1019940037118A patent/KR100187611B1/ko not_active Expired - Lifetime
- 1994-12-27 CN CN94107632A patent/CN1045680C/zh not_active Expired - Lifetime
- 1994-12-27 US US08/364,315 patent/US5486224A/en not_active Expired - Lifetime
- 1994-12-28 FI FI946137A patent/FI946137L/fi unknown
- 1994-12-28 DE DE69409357T patent/DE69409357T2/de not_active Expired - Lifetime
- 1994-12-28 EP EP94120854A patent/EP0669628B1/en not_active Expired - Lifetime
- 1994-12-28 TW TW083112258A patent/TW278190B/zh active
- 1994-12-28 CA CA002139157A patent/CA2139157C/en not_active Expired - Fee Related
-
1995
- 1995-05-09 US US08/437,373 patent/US5527504A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100734061B1 (ko) * | 1999-11-12 | 2007-07-02 | 가부시키가이샤 네오맥스 | 희토류 자석의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI946137A7 (fi) | 1995-06-29 |
| DE69409357T2 (de) | 1998-10-29 |
| KR950017007A (ko) | 1995-07-20 |
| EP0669628A1 (en) | 1995-08-30 |
| FI946137L (fi) | 1995-06-29 |
| CN1109999A (zh) | 1995-10-11 |
| US5486224A (en) | 1996-01-23 |
| FI946137A0 (fi) | 1994-12-28 |
| TW278190B (enExample) | 1996-06-11 |
| CA2139157C (en) | 1999-06-22 |
| EP0669628B1 (en) | 1998-04-01 |
| CA2139157A1 (en) | 1995-06-29 |
| US5527504A (en) | 1996-06-18 |
| DE69409357D1 (de) | 1998-05-07 |
| CN1045680C (zh) | 1999-10-13 |
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