DE69405817T2 - Verfahren zur Herstellung eines Dauermagneten aus Seltenerdmetall, Bor und Eisen - Google Patents
Verfahren zur Herstellung eines Dauermagneten aus Seltenerdmetall, Bor und EisenInfo
- Publication number
- DE69405817T2 DE69405817T2 DE69405817T DE69405817T DE69405817T2 DE 69405817 T2 DE69405817 T2 DE 69405817T2 DE 69405817 T DE69405817 T DE 69405817T DE 69405817 T DE69405817 T DE 69405817T DE 69405817 T2 DE69405817 T2 DE 69405817T2
- Authority
- DE
- Germany
- Prior art keywords
- boron
- permanent magnet
- rare earth
- earth metal
- iron
- 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
-
- 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
-
- 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
-
- 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
- H01F1/0577—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14215693 | 1993-06-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69405817D1 DE69405817D1 (de) | 1997-10-30 |
DE69405817T2 true DE69405817T2 (de) | 1998-01-15 |
Family
ID=15308669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69405817T Expired - Lifetime DE69405817T2 (de) | 1993-06-14 | 1994-06-09 | Verfahren zur Herstellung eines Dauermagneten aus Seltenerdmetall, Bor und Eisen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0632471B1 (de) |
KR (1) | KR0151244B1 (de) |
AT (1) | ATE158669T1 (de) |
DE (1) | DE69405817T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10328618A1 (de) * | 2003-06-20 | 2005-01-13 | Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. | Verfahren und Vorrichtung zur schmelzmetallurgischen Herstellung von Magnetlegierungen auf Nd-Fe-B-Basis |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0867897B1 (de) * | 1997-03-25 | 2003-11-26 | Alps Electric Co., Ltd. | Auf Fe basierte hartmagnetische Legierung mit einer supergekühlter Spanne |
DE69814762T2 (de) | 1997-08-22 | 2003-12-04 | Alps Electric Co Ltd | Hartmagnetische Legierung mit supergekühlter Schmelzregion,gesintertes Produkt davon und Anwendungen |
JP3365625B2 (ja) * | 1999-09-16 | 2003-01-14 | 住友特殊金属株式会社 | ナノコンポジット磁石粉末および磁石の製造方法 |
KR100562681B1 (ko) | 2000-05-24 | 2006-03-23 | 가부시키가이샤 네오맥스 | 복수의 강자성상을 포함하는 영구자석 및 그 제조방법 |
US7004228B2 (en) | 2000-10-06 | 2006-02-28 | Santoku Corporation | Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet |
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 |
JP4023138B2 (ja) * | 2001-02-07 | 2007-12-19 | 日立金属株式会社 | 鉄基希土類合金粉末および鉄基希土類合金粉末を含むコンパウンドならびにそれを用いた永久磁石 |
WO2002093591A2 (en) | 2001-05-15 | 2002-11-21 | Sumitomo Special Metals Co., Ltd. | Iron-based rare earth alloy nanocomposite magnet and method for producing the same |
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 |
JP3602120B2 (ja) | 2002-08-08 | 2004-12-15 | 株式会社Neomax | ナノコンポジット磁石用急冷合金の製造方法 |
CN108133797B (zh) * | 2017-12-18 | 2019-08-23 | 北京工业大学 | 一种抑制CeFe2相的混合稀土铁硼磁体的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63115304A (ja) * | 1986-11-01 | 1988-05-19 | Tdk Corp | 高性能希土類鋳造磁石 |
JPH02118054A (ja) * | 1988-10-26 | 1990-05-02 | Seiko Epson Corp | 永久磁石材料 |
JPH04147605A (ja) * | 1990-10-11 | 1992-05-21 | Hitachi Metals Ltd | 希土類―鉄―硼素系永久磁石の製造方法 |
EP0556751B1 (de) * | 1992-02-15 | 1998-06-10 | Santoku Metal Industry Co., Ltd. | Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagneten |
-
1994
- 1994-06-09 AT AT94108868T patent/ATE158669T1/de active
- 1994-06-09 EP EP94108868A patent/EP0632471B1/de not_active Expired - Lifetime
- 1994-06-09 DE DE69405817T patent/DE69405817T2/de not_active Expired - Lifetime
- 1994-06-13 KR KR1019940013245A patent/KR0151244B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10328618A1 (de) * | 2003-06-20 | 2005-01-13 | Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. | Verfahren und Vorrichtung zur schmelzmetallurgischen Herstellung von Magnetlegierungen auf Nd-Fe-B-Basis |
DE10328618B4 (de) * | 2003-06-20 | 2008-04-24 | Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. | Verfahren und Vorrichtung zur schmelzmetallurgischen Herstellung von Magnetlegierungen auf Nd-Fe-B-Basis |
Also Published As
Publication number | Publication date |
---|---|
EP0632471A3 (de) | 1995-02-15 |
EP0632471A2 (de) | 1995-01-04 |
DE69405817D1 (de) | 1997-10-30 |
KR950001790A (ko) | 1995-01-03 |
ATE158669T1 (de) | 1997-10-15 |
KR0151244B1 (ko) | 1998-10-15 |
EP0632471B1 (de) | 1997-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |