ES8503163A1 - Un metodo de fabricacion de un iman permanente aglomerado - Google Patents
Un metodo de fabricacion de un iman permanente aglomeradoInfo
- Publication number
- ES8503163A1 ES8503163A1 ES532283A ES532283A ES8503163A1 ES 8503163 A1 ES8503163 A1 ES 8503163A1 ES 532283 A ES532283 A ES 532283A ES 532283 A ES532283 A ES 532283A ES 8503163 A1 ES8503163 A1 ES 8503163A1
- Authority
- ES
- Spain
- Prior art keywords
- rare earth
- bonded rare
- iron magnets
- compacts
- 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
Links
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
METODO DE FABRICACION DE UN IMAN PERMANENTE AGLOMERADO.CONSISTE EN, A) TRITURAR UNA CINTA DE ALEACION DE FUNDICION CENTRIFUGADA, DE ESTRUCTURA CRISTALINA FINA, ENFRIADA RAPIDAMENTE Y QUEBRADIZA Y QUE COMPRENDE; NEODIMIO, PRASEODIMIO, MISCHMETALES, HIERRO METALICO Y BORO, PARA FORMAR PARTICULAS MAGNETICAMENTE ISOTROPICAS, B) FRACTURAR Y COMPACTAR BAJO PRESION A LAS PARTICULAS MAGNETICAS ISOTROPICAS, C) MANTENER A LAS PARTICULAS MAGNETICAMENTE ISOTROPICAS POR MEDIO DE UN AGENTE AGLOMERANTE INTERPUESTO ENTRE ELLAS, EN UNA FORMA DE IMAN Y D) MAGNETIZAR LA FORMAN DE IMAN EN CUALQUIER DIRECCION DESEADA EN UN CAMPO MAGNETICO APROPIADO PARA FORMAR EL IMAN AGLOMERADO CON UNA DENSIDAD DE COMPACTADO DE PARTICULAS DE 80 DE LA DENSIDAD DE ALINEACION, UN PRODUCTO DE ENERGIA MAGNETICA REMANENTE DE NUEVE MEGAGAUSS OERSTED DE SATURACION MAGNETICA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49262983A | 1983-05-09 | 1983-05-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES532283A0 ES532283A0 (es) | 1985-02-01 |
ES8503163A1 true ES8503163A1 (es) | 1985-02-01 |
Family
ID=23956982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES532283A Expired ES8503163A1 (es) | 1983-05-09 | 1984-05-08 | Un metodo de fabricacion de un iman permanente aglomerado |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0125752B1 (es) |
JP (1) | JPS59211549A (es) |
AU (1) | AU571497B2 (es) |
BR (1) | BR8402029A (es) |
CA (1) | CA1216623A (es) |
DE (1) | DE3480673D1 (es) |
ES (1) | ES8503163A1 (es) |
MX (1) | MX167657B (es) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59219904A (ja) * | 1983-05-30 | 1984-12-11 | Sumitomo Special Metals Co Ltd | ボンド磁石の製造方法およびボンド磁石用材料の製造方法 |
JPS6017905A (ja) * | 1983-07-08 | 1985-01-29 | Sumitomo Special Metals Co Ltd | 永久磁石用合金粉末 |
JPS6032306A (ja) * | 1983-08-02 | 1985-02-19 | Sumitomo Special Metals Co Ltd | 永久磁石 |
CA1236381A (en) * | 1983-08-04 | 1988-05-10 | Robert W. Lee | Iron-rare earth-boron permanent magnets by hot working |
JPS60153109A (ja) * | 1984-01-21 | 1985-08-12 | Sumitomo Special Metals Co Ltd | 永久磁石体 |
US4558077A (en) * | 1984-03-08 | 1985-12-10 | General Motors Corporation | Epoxy bonded rare earth-iron magnets |
CA1244322A (en) * | 1984-09-14 | 1988-11-08 | Robert W. Lee | Hot pressed permanent magnet having high and low coercivity regions |
USRE34838E (en) * | 1984-12-31 | 1995-01-31 | Tdk Corporation | Permanent magnet and method for producing same |
JPH0630295B2 (ja) * | 1984-12-31 | 1994-04-20 | ティーディーケイ株式会社 | 永久磁石 |
US5538565A (en) * | 1985-08-13 | 1996-07-23 | Seiko Epson Corporation | Rare earth cast alloy permanent magnets and methods of preparation |
US6136099A (en) * | 1985-08-13 | 2000-10-24 | Seiko Epson Corporation | Rare earth-iron series permanent magnets and method of preparation |
JPH0687634B2 (ja) * | 1986-02-24 | 1994-11-02 | 松下電器産業株式会社 | 永久磁石型モ−タ |
US4689163A (en) * | 1986-02-24 | 1987-08-25 | Matsushita Electric Industrial Co., Ltd. | Resin-bonded magnet comprising a specific type of ferromagnetic powder dispersed in a specific type of resin binder |
JP2530641B2 (ja) * | 1986-03-20 | 1996-09-04 | 日立金属株式会社 | 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法 |
DE3779481T2 (de) * | 1986-04-15 | 1992-12-24 | Tdk Corp | Dauermagnet und verfahren zu seiner herstellung. |
EP0248665B1 (en) * | 1986-06-06 | 1994-05-18 | Seiko Instruments Inc. | Rare earth-iron magnet and method of making same |
DE3786426T2 (de) * | 1986-06-12 | 1993-12-09 | Toshiba Kawasaki Kk | Dauermagnet und Dauermagnetlegierung. |
AT386554B (de) * | 1986-08-04 | 1988-09-12 | Treibacher Chemische Werke Ag | Verfahren zur herstellung korrosionsbestaendiger, hartmagnetischer pulver fuer die magneterzeugung, magnete aus hartmagnetischem pulver und verfahren zu deren herstellung |
EP0265006A1 (en) * | 1986-10-13 | 1988-04-27 | Koninklijke Philips Electronics N.V. | Method of manufacturing a permanent magnet |
US4829277A (en) * | 1986-11-20 | 1989-05-09 | General Motors Corporation | Isotropic rare earth-iron field magnets for magnetic resonance imaging |
US4983232A (en) | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
KR900006533B1 (ko) * | 1987-01-06 | 1990-09-07 | 히다찌 긴조꾸 가부시끼가이샤 | 이방성 자성분말과 이의 자석 및 이의 제조방법 |
JP2599378B2 (ja) * | 1987-02-06 | 1997-04-09 | 松下電器産業株式会社 | 樹脂磁石の製造方法 |
DE3883038T2 (de) * | 1987-03-23 | 1994-01-05 | Tokin Corp | Verfahren zur Herstellung eines anisotropen seltene Erden-Eisen-Bor-Verbundmagneten mit Hilfe von bandähnlichen Spänen aus einer seltene Erden-Eisen-Bor-Legierung. |
US5186761A (en) * | 1987-04-30 | 1993-02-16 | Seiko Epson Corporation | Magnetic alloy and method of production |
EP0288637B1 (en) * | 1987-04-30 | 1994-08-10 | Seiko Epson Corporation | Permanent magnet and method of making the same |
US5460662A (en) * | 1987-04-30 | 1995-10-24 | Seiko Epson Corporation | Permanent magnet and method of production |
EP0304054B1 (en) * | 1987-08-19 | 1994-06-08 | Mitsubishi Materials Corporation | Rare earth-iron-boron magnet powder and process of producing same |
JP2619653B2 (ja) * | 1987-10-16 | 1997-06-11 | セイコーエプソン株式会社 | 希土類磁石 |
US4881988A (en) * | 1987-11-16 | 1989-11-21 | Rjf International Corporation | Novel flexible magnet for use in small dc motors |
US4832891A (en) * | 1987-11-25 | 1989-05-23 | Eastman Kodak Company | Method of making an epoxy bonded rare earth-iron magnet |
JPH0614485B2 (ja) * | 1988-05-25 | 1994-02-23 | 大八化学工業株式会社 | 表面改質磁性粉末およびそれを含有するボンド磁石組成物 |
IE891581A1 (en) * | 1988-06-20 | 1991-01-02 | Seiko Epson Corp | Permanent magnet and a manufacturing method thereof |
EP0362812B1 (en) * | 1988-10-04 | 1996-01-24 | Hitachi Metals, Ltd. | Bonded isotropic R-Fe-B-magnet and method for making it |
DE68916184T2 (de) * | 1988-11-14 | 1994-11-17 | Asahi Chemical Ind | Magnetische Stoffe, enthaltend Seltenerdelemente, Eisen, Stickstoff und Wasserstoff. |
CA2019257A1 (en) * | 1989-06-27 | 1990-12-27 | Takuji Nomura | Magnet and method for manufacturing the same |
US5037492A (en) * | 1989-12-19 | 1991-08-06 | General Motors Corporation | Alloying low-level additives into hot-worked Nd-Fe-B magnets |
JP2780422B2 (ja) * | 1990-03-07 | 1998-07-30 | 松下電器産業株式会社 | 樹脂磁石構造体の製造方法 |
AU6733196A (en) * | 1995-08-30 | 1997-03-19 | Danfoss A/S | Method of producing magnetic poles on a base member, and rotor of an electrical machine |
JPH08181011A (ja) * | 1995-10-02 | 1996-07-12 | Seiko Epson Corp | 希土類磁石 |
JP5752094B2 (ja) * | 2012-08-08 | 2015-07-22 | ミネベア株式会社 | フルデンス希土類−鉄系ボンド磁石の製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB455806A (en) * | 1934-07-11 | 1936-10-28 | Max Baermann Junior | Process for making permanent magnets |
DE1288317B (de) * | 1966-09-01 | 1969-01-30 | Baermann Max | Verfahren zur Herstellung von anisotropen gepressten Dauermagneten |
US4197146A (en) * | 1978-10-24 | 1980-04-08 | General Electric Company | Molded amorphous metal electrical magnetic components |
JPS5754304A (en) * | 1980-09-19 | 1982-03-31 | Seiko Epson Corp | Manufacture of permanent magnet |
JPS57141901A (en) * | 1981-02-26 | 1982-09-02 | Mitsubishi Steel Mfg Co Ltd | Permanent magnet powder |
CA1176814A (en) * | 1981-05-11 | 1984-10-30 | Kalatur S. V. L. Narasimhan | Method of improving magnets |
EP0108474B2 (en) * | 1982-09-03 | 1995-06-21 | General Motors Corporation | RE-TM-B alloys, method for their production and permanent magnets containing such alloys |
US4851058A (en) * | 1982-09-03 | 1989-07-25 | General Motors Corporation | High energy product rare earth-iron magnet alloys |
CA1236381A (en) * | 1983-08-04 | 1988-05-10 | Robert W. Lee | Iron-rare earth-boron permanent magnets by hot working |
-
1983
- 1983-12-15 CA CA000443441A patent/CA1216623A/en not_active Expired
-
1984
- 1984-03-06 DE DE8484301453T patent/DE3480673D1/de not_active Expired - Lifetime
- 1984-03-06 EP EP84301453A patent/EP0125752B1/en not_active Expired
- 1984-03-21 AU AU25958/84A patent/AU571497B2/en not_active Expired
- 1984-04-02 MX MX2660584A patent/MX167657B/es unknown
- 1984-04-30 BR BR8402029A patent/BR8402029A/pt not_active IP Right Cessation
- 1984-05-08 ES ES532283A patent/ES8503163A1/es not_active Expired
- 1984-05-09 JP JP59091153A patent/JPS59211549A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
ES532283A0 (es) | 1985-02-01 |
DE3480673D1 (de) | 1990-01-11 |
MX167657B (es) | 1993-04-01 |
CA1216623A (en) | 1987-01-13 |
EP0125752A2 (en) | 1984-11-21 |
JPH0420975B2 (es) | 1992-04-07 |
BR8402029A (pt) | 1984-12-18 |
AU571497B2 (en) | 1988-04-21 |
EP0125752A3 (en) | 1987-01-28 |
EP0125752B1 (en) | 1989-12-06 |
AU2595884A (en) | 1984-11-15 |
JPS59211549A (ja) | 1984-11-30 |
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