FR2707421B1 - Poudre additive pour la fabrication d'aimants frittés type Fe-Nd-B, méthode de fabrication et aimants correspondants. - Google Patents
Poudre additive pour la fabrication d'aimants frittés type Fe-Nd-B, méthode de fabrication et aimants correspondants.Info
- Publication number
- FR2707421B1 FR2707421B1 FR9308586A FR9308586A FR2707421B1 FR 2707421 B1 FR2707421 B1 FR 2707421B1 FR 9308586 A FR9308586 A FR 9308586A FR 9308586 A FR9308586 A FR 9308586A FR 2707421 B1 FR2707421 B1 FR 2707421B1
- Authority
- FR
- France
- Prior art keywords
- magnets
- manufacture
- manufacturing
- type
- additive powder
- 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)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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. |
US08/160,652 US5482575A (en) | 1992-12-08 | 1993-12-02 | Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof |
DE69318682T DE69318682T2 (de) | 1992-12-08 | 1993-12-07 | Magnetpulver vom Typ SE-Fe-B, Sintermagnete daraus und Herstellungsverfahren |
FI935472A FI113209B (fi) | 1992-12-08 | 1993-12-07 | Fe-TR-B -tyyppinen magneettinen jauhe ja vastaavat sintratut magneetit sekä menetelmä niiden valmistamiseksi |
AT93420483T ATE166488T1 (de) | 1992-12-08 | 1993-12-07 | Magnetpulver vom typ se-fe-b, sintermagnete daraus und herstellungsverfahren |
ES93420483T ES2117117T3 (es) | 1992-12-08 | 1993-12-07 | Polvo magnetico del tipo fe-tr-b e imanes fritados correspondientes y su metodo de preparacion. |
CA002110846A CA2110846A1 (fr) | 1992-12-08 | 1993-12-07 | Poudre magnetique de type fe-tr-b et aimants frittes correspondants et leur methode de preparation |
EP93420483A EP0601943B1 (fr) | 1992-12-08 | 1993-12-07 | Poudre magnétique de type Fe-TR-B et aimants frittés correspondants et leur méthode de préparation |
JP30808493A JP3594326B2 (ja) | 1992-12-08 | 1993-12-08 | Fe−RE−Bタイプの磁石粉末、焼結磁石、及び、その調製法 |
SI9300639A SI9300639A (en) | 1992-12-08 | 1993-12-08 | Magnetic powder of type Fe - RARE EARTH - B and correspondent magnets and its method of preparation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
---|---|
FR2707421A1 FR2707421A1 (fr) | 1995-01-13 |
FR2707421B1 true FR2707421B1 (fr) | 1995-08-11 |
Family
ID=9449197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9308586A Expired - Fee Related FR2707421B1 (fr) | 1992-12-08 | 1993-07-07 | Poudre additive pour la fabrication d'aimants frittés type Fe-Nd-B, méthode de fabrication et aimants correspondants. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2707421B1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62128504A (ja) * | 1985-11-29 | 1987-06-10 | Hitachi Metals Ltd | R−B−Fe系焼結磁石およびその製造方法 |
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 |
EP0517179B1 (fr) * | 1991-06-04 | 1995-05-17 | Shin-Etsu Chemical Co., Ltd. | Méthode de fabrication d'aimants permanents à deux phases à base de terres rares |
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 |
-
1993
- 1993-07-07 FR FR9308586A patent/FR2707421B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2707421A1 (fr) | 1995-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20070330 |