DE69318682D1 - Magnetpulver vom Typ SE-Fe-B, Sintermagnete daraus und Herstellungsverfahren - Google Patents
Magnetpulver vom Typ SE-Fe-B, Sintermagnete daraus und HerstellungsverfahrenInfo
- Publication number
- DE69318682D1 DE69318682D1 DE69318682T DE69318682T DE69318682D1 DE 69318682 D1 DE69318682 D1 DE 69318682D1 DE 69318682 T DE69318682 T DE 69318682T DE 69318682 T DE69318682 T DE 69318682T DE 69318682 D1 DE69318682 D1 DE 69318682D1
- Authority
- DE
- Germany
- Prior art keywords
- powder
- sintered magnets
- magnetic powder
- rich
- type
- 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
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
- 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
- H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement
-
- 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
- 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)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9214995A FR2698999B1 (fr) | 1992-12-08 | 1992-12-08 | Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation. |
FR9308586A FR2707421B1 (fr) | 1993-07-07 | 1993-07-07 | Poudre additive pour la fabrication d'aimants frittés type Fe-Nd-B, méthode de fabrication et aimants correspondants. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69318682D1 true DE69318682D1 (de) | 1998-06-25 |
DE69318682T2 DE69318682T2 (de) | 1998-11-26 |
Family
ID=26229947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69318682T Expired - Fee Related DE69318682T2 (de) | 1992-12-08 | 1993-12-07 | Magnetpulver vom Typ SE-Fe-B, Sintermagnete daraus und Herstellungsverfahren |
Country Status (9)
Country | Link |
---|---|
US (1) | US5482575A (de) |
EP (1) | EP0601943B1 (de) |
JP (1) | JP3594326B2 (de) |
AT (1) | ATE166488T1 (de) |
CA (1) | CA2110846A1 (de) |
DE (1) | DE69318682T2 (de) |
ES (1) | ES2117117T3 (de) |
FI (1) | FI113209B (de) |
SI (1) | SI9300639A (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1073069A1 (de) * | 1993-11-02 | 2001-01-31 | TDK Corporation | Herstellung eines Dauermagnets |
DE19541948A1 (de) * | 1995-11-10 | 1997-05-15 | Schramberg Magnetfab | Magnetmaterial und Dauermagnet des NdFeB-Typs |
EP0789367A1 (de) * | 1996-02-09 | 1997-08-13 | Crucible Materials Corporation | Verfahren zur Herstellung selektiven Klassen von Seltenerdmagneten unter Verwendung einer Vielzahl von Partikelgruppen |
DE19636285C2 (de) * | 1996-09-06 | 1998-07-16 | Vakuumschmelze Gmbh | Verfahren zur Herstellung eines SE-Fe-B-Dauermagneten |
JP3901259B2 (ja) * | 1996-09-30 | 2007-04-04 | 本田技研工業株式会社 | SmFe系磁歪材料 |
US6425961B1 (en) * | 1998-05-15 | 2002-07-30 | Alps Electric Co., Ltd. | Composite hard magnetic material and method for producing the same |
US20050062572A1 (en) * | 2003-09-22 | 2005-03-24 | General Electric Company | Permanent magnet alloy for medical imaging system and method of making |
JP4534553B2 (ja) * | 2004-03-30 | 2010-09-01 | Tdk株式会社 | R−t−b系焼結磁石及びその製造方法 |
JP5115511B2 (ja) * | 2008-03-28 | 2013-01-09 | Tdk株式会社 | 希土類磁石 |
JP2011258935A (ja) * | 2010-05-14 | 2011-12-22 | Shin Etsu Chem Co Ltd | R−t−b系希土類焼結磁石 |
JP7099924B2 (ja) * | 2018-09-21 | 2022-07-12 | トヨタ自動車株式会社 | 希土類磁石及びその製造方法 |
KR102589893B1 (ko) * | 2019-09-26 | 2023-10-16 | 주식회사 엘지화학 | 소결 자석의 제조 방법 및 소결 자석 |
CN110957125B (zh) * | 2019-12-24 | 2021-11-05 | 厦门钨业股份有限公司 | 一种钕铁硼永磁材料的烧结方法、钕铁硼永磁材料 |
CN111180158A (zh) * | 2019-12-30 | 2020-05-19 | 宁波韵升股份有限公司 | 一种r-t-b系烧结永磁体及其制备方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2201426B (en) * | 1987-02-27 | 1990-05-30 | Philips Electronic Associated | Improved method for the manufacture of rare earth transition metal alloy magnets |
JPS6448403A (en) * | 1987-08-19 | 1989-02-22 | Mitsubishi Metal Corp | Rare earth-iron-boron magnet powder and manufacture thereof |
US5123974A (en) * | 1987-09-16 | 1992-06-23 | Giancola Dominic J | Process for increasing the transition temperature of metallic superconductors |
US5000800A (en) * | 1988-06-03 | 1991-03-19 | Masato Sagawa | Permanent magnet and method for producing the same |
JP2787580B2 (ja) * | 1988-10-06 | 1998-08-20 | 眞人 佐川 | 熱処理性がすぐれたNd−Fe−B系焼結磁石 |
JP2675430B2 (ja) * | 1989-10-12 | 1997-11-12 | 川崎製鉄株式会社 | 耐蝕性希土類―遷移金属系磁石およびその製造方法 |
US5200001A (en) * | 1989-12-01 | 1993-04-06 | Sumitomo Special Metals Co., Ltd. | Permanent magnet |
JPH0735521B2 (ja) * | 1990-08-30 | 1995-04-19 | 住友特殊金属株式会社 | R‐Fe‐B系永久磁石用原料粉末 |
JPH04120238A (ja) * | 1990-09-11 | 1992-04-21 | Tdk Corp | 希土類焼結合金の製造方法および永久磁石の製造方法 |
JP3092672B2 (ja) * | 1991-01-30 | 2000-09-25 | 三菱マテリアル株式会社 | 希土類−Fe−Co−B系異方性磁石 |
DE69202515T2 (de) * | 1991-06-04 | 1995-09-21 | Shinetsu Chemical Co | Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden. |
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 |
US5387291A (en) * | 1992-03-19 | 1995-02-07 | Sumitomo Special Metals Co., Ltd. | Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor |
-
1993
- 1993-12-02 US US08/160,652 patent/US5482575A/en not_active Expired - Fee Related
- 1993-12-07 DE DE69318682T patent/DE69318682T2/de not_active Expired - Fee Related
- 1993-12-07 FI FI935472A patent/FI113209B/fi not_active IP Right Cessation
- 1993-12-07 EP EP93420483A patent/EP0601943B1/de not_active Expired - Lifetime
- 1993-12-07 CA CA002110846A patent/CA2110846A1/fr not_active Abandoned
- 1993-12-07 AT AT93420483T patent/ATE166488T1/de active
- 1993-12-07 ES ES93420483T patent/ES2117117T3/es not_active Expired - Lifetime
- 1993-12-08 JP JP30808493A patent/JP3594326B2/ja not_active Expired - Fee Related
- 1993-12-08 SI SI9300639A patent/SI9300639A/sl unknown
Also Published As
Publication number | Publication date |
---|---|
ATE166488T1 (de) | 1998-06-15 |
SI9300639A (en) | 1994-06-30 |
CA2110846A1 (fr) | 1994-06-09 |
EP0601943B1 (de) | 1998-05-20 |
ES2117117T3 (es) | 1998-08-01 |
DE69318682T2 (de) | 1998-11-26 |
EP0601943A1 (de) | 1994-06-15 |
FI935472A (fi) | 1994-06-09 |
FI935472A0 (fi) | 1993-12-07 |
JP3594326B2 (ja) | 2004-11-24 |
JPH06231916A (ja) | 1994-08-19 |
FI113209B (fi) | 2004-03-15 |
US5482575A (en) | 1996-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |