TW554352B - Magnetic powder, manufacturing method of magnetic powder and bonded magnets - Google Patents
Magnetic powder, manufacturing method of magnetic powder and bonded magnets Download PDFInfo
- Publication number
- TW554352B TW554352B TW090112279A TW90112279A TW554352B TW 554352 B TW554352 B TW 554352B TW 090112279 A TW090112279 A TW 090112279A TW 90112279 A TW90112279 A TW 90112279A TW 554352 B TW554352 B TW 554352B
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- powder
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
-
- 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
- H01F1/0578—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 bonded together
-
- 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
- H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
- Y10S977/775—Nanosized powder or flake, e.g. nanosized catalyst
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
- Y10S977/775—Nanosized powder or flake, e.g. nanosized catalyst
- Y10S977/777—Metallic powder or flake
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/832—Nanostructure having specified property, e.g. lattice-constant, thermal expansion coefficient
- Y10S977/838—Magnetic property of nanomaterial
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000149717A JP2001332410A (ja) | 2000-05-22 | 2000-05-22 | 磁石粉末、磁石粉末の製造方法およびボンド磁石 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW554352B true TW554352B (en) | 2003-09-21 |
Family
ID=18655531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW090112279A TW554352B (en) | 2000-05-22 | 2001-05-22 | Magnetic powder, manufacturing method of magnetic powder and bonded magnets |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6627102B2 (enExample) |
| EP (1) | EP1158544B1 (enExample) |
| JP (1) | JP2001332410A (enExample) |
| KR (1) | KR100414460B1 (enExample) |
| CN (1) | CN1251253C (enExample) |
| DE (1) | DE60123701T2 (enExample) |
| TW (1) | TW554352B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090060773A1 (en) * | 2004-10-28 | 2009-03-05 | Kim Hyoung Tae | Manufacture Method of NDFEB Isotropic and Anisotropic Permanent Magnets |
| RU2604092C1 (ru) * | 2015-09-10 | 2016-12-10 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") | Магнитотвердый материал и изделие, выполненное из него |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1273231A (en) * | 1984-12-10 | 1990-08-28 | Kalathur S.V.L. Narasimhan | Permanent magnet alloy |
| JPS61157659A (ja) * | 1984-12-28 | 1986-07-17 | Tohoku Metal Ind Ltd | 希土類磁石 |
| 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 |
| DE3786719T2 (de) * | 1986-08-04 | 1993-12-09 | Sumitomo Spec Metals | Seltenerdmagnet und Seltenerdlegierung-Magnetpulver mit grossem Korrosionswiderstand. |
| JPH01205403A (ja) | 1988-02-10 | 1989-08-17 | Seiko Epson Corp | 希土類，鉄系樹脂結合型磁石 |
| DE68925506T2 (de) * | 1988-10-04 | 1996-09-19 | Hitachi Metals Ltd | Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung |
| JP3121824B2 (ja) * | 1990-02-14 | 2001-01-09 | ティーディーケイ株式会社 | 焼結永久磁石 |
| FI930169A7 (fi) * | 1990-07-16 | 1993-01-15 | Aura Systems Inc | Magnetiskt material |
| JP2999649B2 (ja) | 1992-03-19 | 2000-01-17 | 住友特殊金属株式会社 | 希土類磁石並びに希土類磁石合金粉末とその製造方法 |
| JPH06112026A (ja) * | 1992-09-24 | 1994-04-22 | Hitachi Metals Ltd | 熱安定性と耐食性の良好な永久磁石およびその製造方法 |
| JP3641021B2 (ja) * | 1995-04-01 | 2005-04-20 | 株式会社Ｎｅｏｍａｘ | 高保磁力鉄基永久磁石及びボンド磁石 |
| KR100213333B1 (ko) * | 1995-12-29 | 1999-08-02 | 이구택 | 초미세립 복합상 영구자석 조성물 및 이를 모재로 한 영구자석 재료 제조방법 |
| JPH1053844A (ja) | 1996-08-07 | 1998-02-24 | Toda Kogyo Corp | 希土類−鉄−ボロン系磁石合金及びその製造法並びに該希土類−鉄−ボロン系磁石合金を用いたボンド磁石 |
| US5872501A (en) | 1996-07-07 | 1999-02-16 | Toda Kogyo Corporation | Rare earth bonded magnet and rare earth-iron-boron type magnet alloy |
| JPH10125518A (ja) * | 1996-10-18 | 1998-05-15 | Sumitomo Special Metals Co Ltd | 微細結晶組織を有する薄板磁石 |
| JPH10199717A (ja) * | 1996-12-27 | 1998-07-31 | Daido Steel Co Ltd | 異方性磁石ならびにその製造方法 |
| JP3488358B2 (ja) * | 1997-03-27 | 2004-01-19 | 住友特殊金属株式会社 | 微細結晶永久磁石合金及び永久磁石粉末の製造方法 |
| JP3643214B2 (ja) * | 1997-06-26 | 2005-04-27 | 株式会社Ｎｅｏｍａｘ | 積層永久磁石の製造方法 |
| US6332933B1 (en) * | 1997-10-22 | 2001-12-25 | Santoku Corporation | Iron-rare earth-boron-refractory metal magnetic nanocomposites |
-
2000
- 2000-05-22 JP JP2000149717A patent/JP2001332410A/ja not_active Withdrawn
-
2001
- 2001-05-22 US US09/863,072 patent/US6627102B2/en not_active Expired - Fee Related
- 2001-05-22 TW TW090112279A patent/TW554352B/zh not_active IP Right Cessation
- 2001-05-22 EP EP01111982A patent/EP1158544B1/en not_active Expired - Lifetime
- 2001-05-22 CN CNB011221224A patent/CN1251253C/zh not_active Expired - Fee Related
- 2001-05-22 KR KR10-2001-0028086A patent/KR100414460B1/ko not_active Expired - Fee Related
- 2001-05-22 DE DE60123701T patent/DE60123701T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1327243A (zh) | 2001-12-19 |
| EP1158544A3 (en) | 2002-08-28 |
| KR20010107652A (ko) | 2001-12-07 |
| CN1251253C (zh) | 2006-04-12 |
| EP1158544B1 (en) | 2006-10-11 |
| DE60123701T2 (de) | 2007-09-06 |
| JP2001332410A (ja) | 2001-11-30 |
| US6627102B2 (en) | 2003-09-30 |
| DE60123701D1 (de) | 2006-11-23 |
| EP1158544A2 (en) | 2001-11-28 |
| US20020148535A1 (en) | 2002-10-17 |
| KR100414460B1 (ko) | 2004-01-07 |
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| GD4A | Issue of patent certificate for granted invention patent | ||
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