CN1139943C - 硬磁性材料 - Google Patents
硬磁性材料 Download PDFInfo
- Publication number
- CN1139943C CN1139943C CNB971165432A CN97116543A CN1139943C CN 1139943 C CN1139943 C CN 1139943C CN B971165432 A CNB971165432 A CN B971165432A CN 97116543 A CN97116543 A CN 97116543A CN 1139943 C CN1139943 C CN 1139943C
- Authority
- CN
- China
- Prior art keywords
- mutually
- phase
- noncrystal
- mean concentration
- retentive material
- 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 - Fee Related
Links
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Classifications
-
- 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
- H01F1/0579—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP242356/1996 | 1996-09-12 | ||
JP242356/96 | 1996-09-12 | ||
JP8242356A JPH1088294A (ja) | 1996-09-12 | 1996-09-12 | 硬磁性材料 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1177821A CN1177821A (zh) | 1998-04-01 |
CN1139943C true CN1139943C (zh) | 2004-02-25 |
Family
ID=17087978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971165432A Expired - Fee Related CN1139943C (zh) | 1996-09-12 | 1997-09-11 | 硬磁性材料 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH1088294A (de) |
CN (1) | CN1139943C (de) |
DE (1) | DE19739959C2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6500277B1 (en) | 1999-06-11 | 2002-12-31 | Seiko Epson Corporation | Magnetic powder and isotropic bonded magnet |
JP3593939B2 (ja) | 2000-01-07 | 2004-11-24 | セイコーエプソン株式会社 | 磁石粉末および等方性ボンド磁石 |
KR100562681B1 (ko) * | 2000-05-24 | 2006-03-23 | 가부시키가이샤 네오맥스 | 복수의 강자성상을 포함하는 영구자석 및 그 제조방법 |
JP4243415B2 (ja) | 2000-06-06 | 2009-03-25 | セイコーエプソン株式会社 | 磁石粉末の製造方法およびボンド磁石の製造方法 |
WO2002030595A1 (fr) * | 2000-10-06 | 2002-04-18 | Santoku Corporation | Procede de fabrication par coulee de bandes d'un alliage brut pour aimant permanent nanocomposite |
US7217328B2 (en) | 2000-11-13 | 2007-05-15 | Neomax Co., Ltd. | Compound for rare-earth bonded magnet and bonded magnet using the compound |
US6790296B2 (en) * | 2000-11-13 | 2004-09-14 | Neomax Co., Ltd. | Nanocomposite magnet and method for producing same |
EP1388152A2 (de) | 2001-05-15 | 2004-02-11 | Sumitomo Special Metals Company Limited | Seltenerd-legierungs-nanozusammensetzungs-magnet auf eisenbasis und verfahren zu seiner herstellung |
JP4055709B2 (ja) | 2001-07-31 | 2008-03-05 | 日立金属株式会社 | アトマイズ法によるナノコンポジット磁石の製造方法 |
WO2003044812A1 (en) | 2001-11-22 | 2003-05-30 | Sumitomo Special Metals Co., Ltd. | Nanocomposite magnet |
KR101708114B1 (ko) * | 2015-06-11 | 2017-02-21 | 한국생산기술연구원 | 비정질 연자성 합금 |
CN105655076B (zh) * | 2016-04-06 | 2017-10-24 | 湖北汽车工业学院 | 驱动电机用多主相高矫顽力钕铁硼永磁材料及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5022939A (en) * | 1987-07-30 | 1991-06-11 | Tdk Corporation | Permanent magnets |
JPH0344904A (ja) * | 1989-07-12 | 1991-02-26 | Matsushita Electric Ind Co Ltd | 希土類・鉄系永久磁石の製造方法 |
CA2040741C (en) * | 1990-04-24 | 2000-02-08 | Kiyonori Suzuki | Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials |
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1996
- 1996-09-12 JP JP8242356A patent/JPH1088294A/ja not_active Withdrawn
-
1997
- 1997-09-11 CN CNB971165432A patent/CN1139943C/zh not_active Expired - Fee Related
- 1997-09-11 DE DE1997139959 patent/DE19739959C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1177821A (zh) | 1998-04-01 |
DE19739959A1 (de) | 1998-03-26 |
DE19739959C2 (de) | 2003-07-31 |
JPH1088294A (ja) | 1998-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040225 Termination date: 20130911 |