DE3575232D1 - Verfahren zur herstellung eines permanentmagneten. - Google Patents
Verfahren zur herstellung eines permanentmagneten.Info
- Publication number
- DE3575232D1 DE3575232D1 DE8585307158T DE3575232T DE3575232D1 DE 3575232 D1 DE3575232 D1 DE 3575232D1 DE 8585307158 T DE8585307158 T DE 8585307158T DE 3575232 T DE3575232 T DE 3575232T DE 3575232 D1 DE3575232 D1 DE 3575232D1
- Authority
- DE
- Germany
- Prior art keywords
- producing
- permanent magnet
- permanent
- magnet
- 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
-
- 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)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59209524A JPS6187825A (ja) | 1984-10-05 | 1984-10-05 | 永久磁石材料の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3575232D1 true DE3575232D1 (de) | 1990-02-08 |
Family
ID=16574215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585307158T Expired - Lifetime DE3575232D1 (de) | 1984-10-05 | 1985-10-07 | Verfahren zur herstellung eines permanentmagneten. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4888068A (de) |
EP (1) | EP0177371B1 (de) |
JP (1) | JPS6187825A (de) |
DE (1) | DE3575232D1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS636808A (ja) * | 1986-06-26 | 1988-01-12 | Shin Etsu Chem Co Ltd | 希土類永久磁石 |
JPS6347907A (ja) * | 1986-08-18 | 1988-02-29 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
DE3783413T2 (de) * | 1986-09-16 | 1993-05-27 | Tokin Corp | Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders. |
DE3729361A1 (de) * | 1987-09-02 | 1989-03-16 | Max Planck Gesellschaft | Optimierung der gefuegestruktur des fe-nd-b-basis sintermagneten |
EP0379583B2 (de) * | 1988-05-30 | 1998-12-16 | Kawasaki Steel Corporation | Gesintertes magnetisches fe-co-material und verfahren zu dessen herstellung |
US5244510A (en) * | 1989-06-13 | 1993-09-14 | Yakov Bogatin | Magnetic materials and process for producing the same |
US5114502A (en) * | 1989-06-13 | 1992-05-19 | Sps Technologies, Inc. | Magnetic materials and process for producing the same |
US5122203A (en) * | 1989-06-13 | 1992-06-16 | Sps Technologies, Inc. | Magnetic materials |
JPH0354806A (ja) * | 1989-07-24 | 1991-03-08 | Shin Etsu Chem Co Ltd | 希土類永久磁石の製造方法 |
AT393178B (de) * | 1989-10-25 | 1991-08-26 | Boehler Gmbh | Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben |
JP2500701Y2 (ja) * | 1990-02-07 | 1996-06-12 | 日立金属株式会社 | 胃内異物吸着磁石 |
DE4007534C1 (de) * | 1990-03-09 | 1991-08-29 | Magnetfabrik Schramberg Gmbh & Co, 7230 Schramberg, De | |
JPH06509211A (ja) * | 1990-06-08 | 1994-10-13 | エスピーエス・テクノロジーズ・インコーポレーテッド | 改良磁性材料及びその製造方法 |
DE69716588T2 (de) * | 1996-04-10 | 2003-06-12 | Showa Denko K.K., Tokio/Tokyo | Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten |
US5905425A (en) * | 1998-07-22 | 1999-05-18 | Dalby; Larry S. | Cow magnet |
US6746545B2 (en) * | 2000-05-31 | 2004-06-08 | Shin-Etsu Chemical Co., Ltd. | Preparation of rare earth permanent magnets |
JP3997413B2 (ja) | 2002-11-14 | 2007-10-24 | 信越化学工業株式会社 | R−Fe−B系焼結磁石及びその製造方法 |
WO2004046409A2 (en) * | 2002-11-18 | 2004-06-03 | Iowa State University Research Foundation, Inc. | Permanent magnet alloy with improved high temperature performance |
US7289011B2 (en) * | 2005-05-25 | 2007-10-30 | Animal Supplies International, Inc. | Animal pill magnet having single polarity |
US7557685B2 (en) | 2006-09-22 | 2009-07-07 | John Nellessen | Mineral supplement cow magnet |
JP6255977B2 (ja) * | 2013-03-28 | 2018-01-10 | Tdk株式会社 | 希土類磁石 |
JP2015135935A (ja) * | 2013-03-28 | 2015-07-27 | Tdk株式会社 | 希土類磁石 |
CN103489619B (zh) * | 2013-10-14 | 2016-01-20 | 北京科技大学 | 一种致密细晶钕铁硼烧结磁体的制备方法 |
JP6142792B2 (ja) | 2013-12-20 | 2017-06-07 | Tdk株式会社 | 希土類磁石 |
JP6142793B2 (ja) | 2013-12-20 | 2017-06-07 | Tdk株式会社 | 希土類磁石 |
CN108573807A (zh) * | 2017-03-09 | 2018-09-25 | 天津邦特磁性材料有限公司 | 烧结钕铁硼回火工艺 |
CN115274295A (zh) * | 2022-09-28 | 2022-11-01 | 季华实验室 | 一种磁性薄膜、含有其的磁码组件以及制备方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2415145A1 (fr) * | 1978-01-19 | 1979-08-17 | Aimants Ugimag Sa | Procede de traitement thermique des alliages fe-co-cr pour aimants permanents |
US4409043A (en) * | 1981-10-23 | 1983-10-11 | The United States Of America As Represented By The Secretary Of The Navy | Amorphous transition metal-lanthanide alloys |
US4402770A (en) * | 1981-10-23 | 1983-09-06 | The United States Of America As Represented By The Secretary Of The Navy | Hard magnetic alloys of a transition metal and lanthanide |
JPS5989401A (ja) * | 1982-11-15 | 1984-05-23 | Sumitomo Special Metals Co Ltd | 永久磁石 |
JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
JPS5964733A (ja) * | 1982-09-27 | 1984-04-12 | Sumitomo Special Metals Co Ltd | 永久磁石 |
US4597938A (en) * | 1983-05-21 | 1986-07-01 | Sumitomo Special Metals Co., Ltd. | Process for producing permanent magnet materials |
JPS59219453A (ja) * | 1983-05-24 | 1984-12-10 | Sumitomo Special Metals Co Ltd | 永久磁石材料の製造方法 |
US4601875A (en) * | 1983-05-25 | 1986-07-22 | Sumitomo Special Metals Co., Ltd. | Process for producing magnetic materials |
JPH061726B2 (ja) * | 1984-02-28 | 1994-01-05 | 住友特殊金属株式会社 | 永久磁石材料の製造方法 |
CA1235631A (en) * | 1984-02-28 | 1988-04-26 | Hitoshi Yamamoto | Process for producing permanent magnets and products thereof |
JPS6181605A (ja) * | 1984-09-04 | 1986-04-25 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
-
1984
- 1984-10-05 JP JP59209524A patent/JPS6187825A/ja active Granted
-
1985
- 1985-10-04 US US06/784,581 patent/US4888068A/en not_active Expired - Fee Related
- 1985-10-07 EP EP85307158A patent/EP0177371B1/de not_active Expired - Lifetime
- 1985-10-07 DE DE8585307158T patent/DE3575232D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0177371A1 (de) | 1986-04-09 |
JPH0216368B2 (de) | 1990-04-17 |
EP0177371B1 (de) | 1990-01-03 |
JPS6187825A (ja) | 1986-05-06 |
US4888068A (en) | 1989-12-19 |
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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 |