WO2002103719A1 - Materiau magnetique durable en metal du groupe des terres rares - Google Patents
Materiau magnetique durable en metal du groupe des terres rares Download PDFInfo
- Publication number
- WO2002103719A1 WO2002103719A1 PCT/JP2001/005202 JP0105202W WO02103719A1 WO 2002103719 A1 WO2002103719 A1 WO 2002103719A1 JP 0105202 W JP0105202 W JP 0105202W WO 02103719 A1 WO02103719 A1 WO 02103719A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- permanent magnet
- rare earth
- magnet material
- weight
- earth permanent
- Prior art date
Links
Classifications
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
-
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
-
- 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
-
- 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
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB018150578A CN1182547C (zh) | 2001-06-19 | 2001-06-19 | 稀土类永久磁铁材料 |
US10/415,273 US7175718B2 (en) | 2001-06-19 | 2001-06-19 | Rare earth element permanent magnet material |
JP2003505947A JPWO2002103719A1 (ja) | 2001-06-19 | 2001-06-19 | 希土類永久磁石材料 |
DE60118982T DE60118982T2 (de) | 2001-06-19 | 2001-06-19 | Seltenerdelement-permanentmagnetmaterial |
PCT/JP2001/005202 WO2002103719A1 (fr) | 2001-06-19 | 2001-06-19 | Materiau magnetique durable en metal du groupe des terres rares |
EP01938736A EP1398800B1 (en) | 2001-06-19 | 2001-06-19 | Rare earth element permanent magnet material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2001/005202 WO2002103719A1 (fr) | 2001-06-19 | 2001-06-19 | Materiau magnetique durable en metal du groupe des terres rares |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002103719A1 true WO2002103719A1 (fr) | 2002-12-27 |
Family
ID=11737454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/005202 WO2002103719A1 (fr) | 2001-06-19 | 2001-06-19 | Materiau magnetique durable en metal du groupe des terres rares |
Country Status (6)
Country | Link |
---|---|
US (1) | US7175718B2 (ja) |
EP (1) | EP1398800B1 (ja) |
JP (1) | JPWO2002103719A1 (ja) |
CN (1) | CN1182547C (ja) |
DE (1) | DE60118982T2 (ja) |
WO (1) | WO2002103719A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11289249B2 (en) | 2017-08-30 | 2022-03-29 | Kabushiki Kaisha Toshiba | Permanent magnet, rotary electrical machine, and vehicle |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1408518B1 (en) * | 2002-10-08 | 2010-12-15 | Hitachi Metals, Ltd. | Sintered R-Fe-B permanent magnet and its production method |
US7462317B2 (en) | 2004-11-10 | 2008-12-09 | Enpirion, Inc. | Method of manufacturing an encapsulated package for a magnetic device |
US7426780B2 (en) | 2004-11-10 | 2008-09-23 | Enpirion, Inc. | Method of manufacturing a power module |
US8139362B2 (en) * | 2005-10-05 | 2012-03-20 | Enpirion, Inc. | Power module with a magnetic device having a conductive clip |
US8701272B2 (en) | 2005-10-05 | 2014-04-22 | Enpirion, Inc. | Method of forming a power module with a magnetic device having a conductive clip |
US7688172B2 (en) * | 2005-10-05 | 2010-03-30 | Enpirion, Inc. | Magnetic device having a conductive clip |
US8631560B2 (en) | 2005-10-05 | 2014-01-21 | Enpirion, Inc. | Method of forming a magnetic device having a conductive clip |
US7955868B2 (en) * | 2007-09-10 | 2011-06-07 | Enpirion, Inc. | Method of forming a micromagnetic device |
US7952459B2 (en) * | 2007-09-10 | 2011-05-31 | Enpirion, Inc. | Micromagnetic device and method of forming the same |
US8133529B2 (en) * | 2007-09-10 | 2012-03-13 | Enpirion, Inc. | Method of forming a micromagnetic device |
US7920042B2 (en) * | 2007-09-10 | 2011-04-05 | Enpirion, Inc. | Micromagnetic device and method of forming the same |
US8018315B2 (en) * | 2007-09-10 | 2011-09-13 | Enpirion, Inc. | Power converter employing a micromagnetic device |
US8541991B2 (en) | 2008-04-16 | 2013-09-24 | Enpirion, Inc. | Power converter with controller operable in selected modes of operation |
US8686698B2 (en) | 2008-04-16 | 2014-04-01 | Enpirion, Inc. | Power converter with controller operable in selected modes of operation |
US9246390B2 (en) | 2008-04-16 | 2016-01-26 | Enpirion, Inc. | Power converter with controller operable in selected modes of operation |
US8692532B2 (en) | 2008-04-16 | 2014-04-08 | Enpirion, Inc. | Power converter with controller operable in selected modes of operation |
US9054086B2 (en) * | 2008-10-02 | 2015-06-09 | Enpirion, Inc. | Module having a stacked passive element and method of forming the same |
US8339802B2 (en) * | 2008-10-02 | 2012-12-25 | Enpirion, Inc. | Module having a stacked magnetic device and semiconductor device and method of forming the same |
US8153473B2 (en) * | 2008-10-02 | 2012-04-10 | Empirion, Inc. | Module having a stacked passive element and method of forming the same |
US8266793B2 (en) | 2008-10-02 | 2012-09-18 | Enpirion, Inc. | Module having a stacked magnetic device and semiconductor device and method of forming the same |
US9548714B2 (en) * | 2008-12-29 | 2017-01-17 | Altera Corporation | Power converter with a dynamically configurable controller and output filter |
US8698463B2 (en) * | 2008-12-29 | 2014-04-15 | Enpirion, Inc. | Power converter with a dynamically configurable controller based on a power conversion mode |
US8867295B2 (en) | 2010-12-17 | 2014-10-21 | Enpirion, Inc. | Power converter for a memory module |
CN103258609B (zh) * | 2013-05-14 | 2016-08-10 | 深圳大学 | 各向异性纳米复相稀土永磁材料的制备方法 |
US9509217B2 (en) | 2015-04-20 | 2016-11-29 | Altera Corporation | Asymmetric power flow controller for a power converter and method of operating the same |
CN105355413B (zh) * | 2015-12-07 | 2017-06-16 | 北京科技大学 | 一种降低烧结温度制备高磁性烧结钕铁硼的方法 |
CN111418034B (zh) * | 2017-12-05 | 2021-08-13 | 三菱电机株式会社 | 永磁铁、永磁铁的制造方法及旋转机 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH024942A (ja) * | 1989-02-10 | 1990-01-09 | Toshiba Corp | 永久磁石用原料合金 |
JPH04268050A (ja) * | 1991-02-22 | 1992-09-24 | Dowa Mining Co Ltd | 不可逆減磁の小さい熱安定性に優れたR−Fe−B−C系永久磁石合金 |
JPH0617200A (ja) * | 1992-10-19 | 1994-01-25 | Sumitomo Special Metals Co Ltd | 希土類・鉄・ボロン系正方晶化合物 |
JPH06283316A (ja) * | 1992-10-29 | 1994-10-07 | Hitachi Metals Ltd | 鉄−希土類系永久磁石材料およびその製造方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59132105A (ja) * | 1983-01-19 | 1984-07-30 | Sumitomo Special Metals Co Ltd | 永久磁石用合金 |
CA1316375C (en) | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
US5466308A (en) * | 1982-08-21 | 1995-11-14 | Sumitomo Special Metals Co. Ltd. | Magnetic precursor materials for making permanent magnets |
JPS59163803A (ja) * | 1983-03-08 | 1984-09-14 | Sumitomo Special Metals Co Ltd | 永久磁石用合金 |
JPS62116756A (ja) * | 1985-11-15 | 1987-05-28 | Hitachi Metals Ltd | 永久磁石合金 |
JPS62165305A (ja) * | 1986-01-16 | 1987-07-21 | Hitachi Metals Ltd | 熱安定性良好な永久磁石およびその製造方法 |
JP2530641B2 (ja) * | 1986-03-20 | 1996-09-04 | 日立金属株式会社 | 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法 |
EP0258609B1 (en) * | 1986-07-23 | 1993-02-03 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
JPS6329908A (ja) * | 1986-07-23 | 1988-02-08 | Hitachi Metals Ltd | R−Fe−B系希土類磁石の製造方法 |
US4983232A (en) * | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
US5022939A (en) * | 1987-07-30 | 1991-06-11 | Tdk Corporation | Permanent magnets |
JPH023206A (ja) * | 1988-06-20 | 1990-01-08 | Seiko Epson Corp | 希土類−鉄系永久磁石 |
US5405455A (en) * | 1991-06-04 | 1995-04-11 | Shin-Etsu Chemical Co. Ltd. | Rare earth-based permanent magnet |
JP3254229B2 (ja) * | 1991-09-11 | 2002-02-04 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
JP4678741B2 (ja) | 1998-05-19 | 2011-04-27 | 大同特殊鋼株式会社 | 異方性磁石素材 |
EP0994493B1 (en) * | 1998-10-14 | 2003-09-10 | Hitachi Metals, Ltd. | R-T-B sintered permanent magnet |
EP1014392B9 (en) | 1998-12-15 | 2004-11-24 | Shin-Etsu Chemical Co., Ltd. | Rare earth/iron/boron-based permanent magnet alloy composition |
US6319335B1 (en) | 1999-02-15 | 2001-11-20 | Shin-Etsu Chemical Co., Ltd. | Quenched thin ribbon of rare earth/iron/boron-based magnet alloy |
-
2001
- 2001-06-19 WO PCT/JP2001/005202 patent/WO2002103719A1/ja active IP Right Grant
- 2001-06-19 US US10/415,273 patent/US7175718B2/en not_active Expired - Lifetime
- 2001-06-19 JP JP2003505947A patent/JPWO2002103719A1/ja active Pending
- 2001-06-19 EP EP01938736A patent/EP1398800B1/en not_active Expired - Lifetime
- 2001-06-19 DE DE60118982T patent/DE60118982T2/de not_active Expired - Fee Related
- 2001-06-19 CN CNB018150578A patent/CN1182547C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH024942A (ja) * | 1989-02-10 | 1990-01-09 | Toshiba Corp | 永久磁石用原料合金 |
JPH04268050A (ja) * | 1991-02-22 | 1992-09-24 | Dowa Mining Co Ltd | 不可逆減磁の小さい熱安定性に優れたR−Fe−B−C系永久磁石合金 |
JPH0617200A (ja) * | 1992-10-19 | 1994-01-25 | Sumitomo Special Metals Co Ltd | 希土類・鉄・ボロン系正方晶化合物 |
JPH06283316A (ja) * | 1992-10-29 | 1994-10-07 | Hitachi Metals Ltd | 鉄−希土類系永久磁石材料およびその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1398800A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11289249B2 (en) | 2017-08-30 | 2022-03-29 | Kabushiki Kaisha Toshiba | Permanent magnet, rotary electrical machine, and vehicle |
Also Published As
Publication number | Publication date |
---|---|
EP1398800A1 (en) | 2004-03-17 |
CN1451166A (zh) | 2003-10-22 |
US20040025975A1 (en) | 2004-02-12 |
JPWO2002103719A1 (ja) | 2004-10-07 |
EP1398800A4 (en) | 2004-11-03 |
US7175718B2 (en) | 2007-02-13 |
EP1398800B1 (en) | 2006-04-19 |
DE60118982D1 (de) | 2006-05-24 |
DE60118982T2 (de) | 2006-11-30 |
CN1182547C (zh) | 2004-12-29 |
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