BR8705460A - Processo de fabricacao de um ima permanente - Google Patents
Processo de fabricacao de um ima permanenteInfo
- Publication number
- BR8705460A BR8705460A BR8705460A BR8705460A BR8705460A BR 8705460 A BR8705460 A BR 8705460A BR 8705460 A BR8705460 A BR 8705460A BR 8705460 A BR8705460 A BR 8705460A BR 8705460 A BR8705460 A BR 8705460A
- Authority
- BR
- Brazil
- Prior art keywords
- ima
- permanent
- manufacturing
- permanent ima
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/12—Metallic powder containing non-metallic particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8602566 | 1986-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8705460A true BR8705460A (pt) | 1988-05-24 |
Family
ID=19848666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8705460A BR8705460A (pt) | 1986-10-13 | 1987-10-13 | Processo de fabricacao de um ima permanente |
Country Status (6)
Country | Link |
---|---|
US (1) | US4857118A (pt) |
EP (1) | EP0265006A1 (pt) |
JP (1) | JPS63104406A (pt) |
KR (1) | KR880005635A (pt) |
AU (1) | AU609669B2 (pt) |
BR (1) | BR8705460A (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0389626B1 (en) * | 1988-06-03 | 1996-11-13 | Mitsubishi Materials Corporation | SINTERED RARE EARTH ELEMENT-B-Fe-MAGNET AND PROCESS FOR ITS PRODUCTION |
US5129964A (en) * | 1989-09-06 | 1992-07-14 | Sps Technologies, Inc. | Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment |
FR2652535A1 (fr) * | 1989-10-03 | 1991-04-05 | Caine Stephane | Procede de fabrication simplifiee de pastilles de composition donnee appartenant au groupe des supraconducteurs, des ferrites et des materiaux a structure granulaire complexe. |
AT393178B (de) * | 1989-10-25 | 1991-08-26 | Boehler Gmbh | Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben |
DE4027598C2 (de) * | 1990-06-30 | 1997-09-11 | Vacuumschmelze Gmbh | Dauermagnet des Typs SE-Fe-B und Verfahren zu seiner Herstellung |
US5091020A (en) * | 1990-11-20 | 1992-02-25 | Crucible Materials Corporation | Method and particle mixture for making rare earth element, iron and boron permanent sintered magnets |
AT398861B (de) * | 1991-02-11 | 1995-02-27 | Boehler Ybbstalwerke | Gesinterter permanentmagnet(-werkstoff) sowie verfahren zu dessen herstellung |
DE4331563A1 (de) * | 1992-09-18 | 1994-03-24 | Hitachi Metals Ltd | Nd-Fe-B-Sintermagnete |
DE19912470B4 (de) * | 1999-03-19 | 2005-06-02 | Vacuumschmelze Gmbh | Verbundteil und Verfahren zu dessen Herstellung |
US6684976B1 (en) | 2002-04-12 | 2004-02-03 | David Clark Company Incorporated | Headset ear seal |
CN102368439B (zh) * | 2011-11-22 | 2012-12-05 | 严高林 | 钕铁硼中添加重稀土氢化物制备高矫顽力永磁体的优化处理方法 |
CN111696742B (zh) * | 2020-06-23 | 2022-06-24 | 中国科学院宁波材料技术与工程研究所 | 一种无重稀土高性能钕铁硼永磁材料及其制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3655464A (en) * | 1970-04-30 | 1972-04-11 | Gen Electric | Process of preparing a liquid sintered cobalt-rare earth intermetallic product |
CA1216623A (en) * | 1983-05-09 | 1987-01-13 | John J. Croat | Bonded rare earth-iron magnets |
JPS6077960A (ja) * | 1983-10-03 | 1985-05-02 | Sumitomo Special Metals Co Ltd | 永久磁石材料の製造方法 |
DE3587977T2 (de) * | 1984-02-28 | 1995-05-18 | Sumitomo Spec Metals | Dauermagnete. |
FR2566758B1 (fr) * | 1984-06-29 | 1990-01-12 | Centre Nat Rech Scient | Nouveaux hydrures de terre rare/fer/bore et terre rare/cobalt/bore magnetiques, leur procede de fabrication et de fabrication des produits deshydrures pulverulents correspondants, leurs applications |
US4762574A (en) * | 1985-06-14 | 1988-08-09 | Union Oil Company Of California | Rare earth-iron-boron premanent magnets |
JPH07105289B2 (ja) * | 1986-03-06 | 1995-11-13 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
GB2196479B (en) * | 1986-10-20 | 1990-03-28 | Philips Electronic Associated | Method and apparatus for the manufacture of rare earth transition metal alloy magnets |
KR880013194A (ko) * | 1987-04-06 | 1988-11-30 | 원본미기재 | 영구자석 및 그 제조방법 |
-
1987
- 1987-10-09 EP EP87201943A patent/EP0265006A1/en not_active Withdrawn
- 1987-10-09 US US07/107,625 patent/US4857118A/en not_active Expired - Fee Related
- 1987-10-09 AU AU79517/87A patent/AU609669B2/en not_active Ceased
- 1987-10-13 KR KR870011302A patent/KR880005635A/ko not_active Application Discontinuation
- 1987-10-13 BR BR8705460A patent/BR8705460A/pt unknown
- 1987-10-13 JP JP62256412A patent/JPS63104406A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4857118A (en) | 1989-08-15 |
AU7951787A (en) | 1988-04-14 |
KR880005635A (ko) | 1988-06-29 |
JPS63104406A (ja) | 1988-05-09 |
AU609669B2 (en) | 1991-05-02 |
EP0265006A1 (en) | 1988-04-27 |
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