FI946137A0 - Jauheseos käytettäväksi yhteen puristukseen harvinaista maametallia ja rautaa sisältävien sintattujen kestomagneettien tuottamiseksi - Google Patents
Jauheseos käytettäväksi yhteen puristukseen harvinaista maametallia ja rautaa sisältävien sintattujen kestomagneettien tuottamiseksiInfo
- Publication number
- FI946137A0 FI946137A0 FI946137A FI946137A FI946137A0 FI 946137 A0 FI946137 A0 FI 946137A0 FI 946137 A FI946137 A FI 946137A FI 946137 A FI946137 A FI 946137A FI 946137 A0 FI946137 A0 FI 946137A0
- Authority
- FI
- Finland
- Prior art keywords
- iron
- rare earth
- permanent magnets
- containing rare
- single compression
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
- C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
-
- 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)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33540693 | 1993-12-28 | ||
JP25390494 | 1994-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI946137A0 true FI946137A0 (fi) | 1994-12-28 |
FI946137A FI946137A (fi) | 1995-06-29 |
Family
ID=26541456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI946137A FI946137A (fi) | 1993-12-28 | 1994-12-28 | Jauheseos käytettäväksi yhteen puristukseen harvinaista maametallia ja rautaa sisältävien sintattujen kestomagneettien tuottamiseksi |
Country Status (8)
Country | Link |
---|---|
US (2) | US5486224A (fi) |
EP (1) | EP0669628B1 (fi) |
KR (1) | KR100187611B1 (fi) |
CN (1) | CN1045680C (fi) |
CA (1) | CA2139157C (fi) |
DE (1) | DE69409357T2 (fi) |
FI (1) | FI946137A (fi) |
TW (1) | TW278190B (fi) |
Families Citing this family (20)
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 |
EP0991086B1 (en) * | 1998-04-22 | 2009-07-15 | Hitachi Metals, Limited | METHOD FOR PRODUCING R-Fe-B PERMANENT MAGNET, LUBRICATING AGENT AND RELEASE AGENT FOR USE IN SHAPING THE SAME |
CN1167086C (zh) * | 1999-08-30 | 2004-09-15 | 住友特殊金属株式会社 | R-Fe-B型烧结磁体的生产方法、该磁体的合金粉材料制法及保存法 |
US6482353B1 (en) * | 1999-11-12 | 2002-11-19 | Sumitomo Special Metals Co., Ltd. | Method for manufacturing rare earth magnet |
US6659825B2 (en) | 2001-06-04 | 2003-12-09 | Jonathan G. Foss | Self-inflating child floatation device |
EP1749599B1 (en) * | 2004-04-30 | 2015-09-09 | Hitachi Metals, Ltd. | Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
TWI413136B (zh) * | 2005-03-23 | 2013-10-21 | Shinetsu Chemical Co | 稀土族永久磁體 |
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 |
US9044834B2 (en) | 2013-06-17 | 2015-06-02 | Urban Mining Technology Company | 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 |
JPS5964733A (ja) * | 1982-09-27 | 1984-04-12 | Sumitomo Special Metals Co Ltd | 永久磁石 |
JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | 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 |
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 |
JPH04191392A (ja) * | 1990-11-27 | 1992-07-09 | Kawasaki Steel Corp | 耐食性に優れた表面処理鋼板 |
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 |
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 |
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 |
DE69307172T2 (de) * | 1992-03-16 | 1997-04-24 | Kawasaki Steel Co | Bindersystem für den Gebrauch beim Spritzgiessen von sinterfähigen Pulvern und dieses Bindersystem enthaltende Formmasse |
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 IP Right Cessation
- 1994-12-27 US US08/364,315 patent/US5486224A/en not_active Expired - Lifetime
- 1994-12-27 CN CN94107632A patent/CN1045680C/zh not_active Expired - Lifetime
- 1994-12-28 FI FI946137A patent/FI946137A/fi unknown
- 1994-12-28 CA CA002139157A patent/CA2139157C/en not_active Expired - Fee Related
- 1994-12-28 DE DE69409357T patent/DE69409357T2/de not_active Expired - Lifetime
- 1994-12-28 TW TW083112258A patent/TW278190B/zh active
- 1994-12-28 EP EP94120854A patent/EP0669628B1/en not_active Expired - Lifetime
-
1995
- 1995-05-09 US US08/437,373 patent/US5527504A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0669628B1 (en) | 1998-04-01 |
US5486224A (en) | 1996-01-23 |
CA2139157A1 (en) | 1995-06-29 |
FI946137A (fi) | 1995-06-29 |
CA2139157C (en) | 1999-06-22 |
KR100187611B1 (ko) | 1999-06-01 |
TW278190B (fi) | 1996-06-11 |
CN1045680C (zh) | 1999-10-13 |
CN1109999A (zh) | 1995-10-11 |
KR950017007A (ko) | 1995-07-20 |
DE69409357T2 (de) | 1998-10-29 |
EP0669628A1 (en) | 1995-08-30 |
US5527504A (en) | 1996-06-18 |
DE69409357D1 (de) | 1998-05-07 |
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