DE69403041D1 - Verfahren zur Herstellung eines Magnetpulvers und Herstellung eines Permanentmagneten - Google Patents
Verfahren zur Herstellung eines Magnetpulvers und Herstellung eines PermanentmagnetenInfo
- Publication number
- DE69403041D1 DE69403041D1 DE69403041T DE69403041T DE69403041D1 DE 69403041 D1 DE69403041 D1 DE 69403041D1 DE 69403041 T DE69403041 T DE 69403041T DE 69403041 T DE69403041 T DE 69403041T DE 69403041 D1 DE69403041 D1 DE 69403041D1
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnet
- manufacturing
- raw material
- material composition
- powdery raw
- 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
-
- 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
-
- 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
- B22F1/14—Treatment of metallic powder
- B22F1/142—Thermal or thermo-mechanical treatment
-
- 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
- B22F1/16—Metallic particles coated with a non-metal
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5272967A JPH07106110A (ja) | 1993-10-06 | 1993-10-06 | ボンド磁石製造用粉末組成物、磁気異方性永久磁石及び磁気異方性永久磁石の製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69403041D1 true DE69403041D1 (de) | 1997-06-12 |
DE69403041T2 DE69403041T2 (de) | 1997-08-14 |
Family
ID=17521290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69403041T Expired - Fee Related DE69403041T2 (de) | 1993-10-06 | 1994-09-26 | Verfahren zur Herstellung eines Magnetpulvers und Herstellung eines Permanentmagneten |
Country Status (9)
Country | Link |
---|---|
US (3) | US5443617A (de) |
EP (1) | EP0647953B1 (de) |
JP (1) | JPH07106110A (de) |
KR (1) | KR950012493A (de) |
CN (1) | CN1110427A (de) |
AT (1) | ATE152852T1 (de) |
CA (1) | CA2132760A1 (de) |
DE (1) | DE69403041T2 (de) |
TW (1) | TW249859B (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09194911A (ja) * | 1996-01-10 | 1997-07-29 | Kawasaki Teitoku Kk | 成形性の良好な永久磁石用原料粉末の製造方法 |
TW434589B (en) * | 1996-07-17 | 2001-05-16 | Sanei Kasei Co Ltd | Raw material powder for modified permanent magnets and production method of the same |
JP2001275314A (ja) * | 2000-03-24 | 2001-10-05 | Seiko Precision Inc | ロータ磁石およびモータおよびステッピングモータ |
US6467525B2 (en) * | 2000-07-24 | 2002-10-22 | Hormel Foods, Llc | Gelatin coated sand core and method of making same |
US6910897B2 (en) | 2001-01-12 | 2005-06-28 | Litton Systems, Inc. | Interconnection system |
US6843657B2 (en) | 2001-01-12 | 2005-01-18 | Litton Systems Inc. | High speed, high density interconnect system for differential and single-ended transmission applications |
US6979202B2 (en) | 2001-01-12 | 2005-12-27 | Litton Systems, Inc. | High-speed electrical connector |
US6666253B2 (en) * | 2002-03-18 | 2003-12-23 | Hormel Foods, Llc | Method and apparatus for making a sand core with an improved hardening rate |
AU2003291539A1 (en) * | 2002-11-18 | 2004-06-15 | Iowa State University Research Foundation, Inc. | Permanent magnet alloy with improved high temperature performance |
CA2452234A1 (en) * | 2002-12-26 | 2004-06-26 | Jfe Steel Corporation | Metal powder and powder magnetic core using the same |
WO2005040047A1 (ja) * | 2003-10-27 | 2005-05-06 | Y.T.Magnet Co., Ltd. | 還元水素水の製造方法とその製造装置 |
US7073557B2 (en) | 2004-02-18 | 2006-07-11 | Hormel Foods, Llc | Method of drying a sand mold using a vacuum |
US7592903B2 (en) | 2006-10-30 | 2009-09-22 | Spx Corporation | Tire pressure monitor system tool with re-learn and diagnostic procedures |
US7623025B2 (en) * | 2006-10-30 | 2009-11-24 | Spx Corporation | Tire pressure monitor initiation tool with vehicle data interface |
US7639122B2 (en) * | 2006-10-30 | 2009-12-29 | Spx Corporation | Tire pressure monitor system tool with vehicle entry system |
US7592904B2 (en) * | 2006-10-30 | 2009-09-22 | Spx Corporation | Tire pressure monitor system module |
JP5366069B2 (ja) * | 2008-03-26 | 2013-12-11 | パウダーテック株式会社 | フェライト粒子及びその製造方法 |
US7884707B2 (en) * | 2008-04-23 | 2011-02-08 | Spx Corporation | Tire pressure monitor system tool with parts number database |
JP2011094204A (ja) * | 2009-10-30 | 2011-05-12 | Tdk Corp | 表面処理還元鉄粉及びその製造方法、並びに、圧粉磁芯 |
US9091537B2 (en) | 2012-04-18 | 2015-07-28 | Bosch Automotive Service Solutions Inc. | Tire pressure monitor system tool with active tire pressure display |
CN105741971B (zh) * | 2016-03-01 | 2017-07-11 | 河北大学 | 一种纳米结构超导复合薄膜及其制备方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2625106C2 (de) * | 1976-06-04 | 1982-03-11 | Bayer Ag, 5090 Leverkusen | Eisenoxidschwarz-Pigmente mit verbesserter Oxidationsbeständigkeit und Verfahren zu ihrer Herstellung |
DE2815712A1 (de) * | 1978-04-12 | 1979-10-25 | Bayer Ag | Eisenoxide zur magnetischen signalaufzeichnung und verfahren zu deren herstellung |
DE2935444A1 (de) * | 1979-09-01 | 1981-03-19 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von nadelfoermigen ferrimagnetischem eisenoxid |
JPS59103309A (ja) * | 1982-12-03 | 1984-06-14 | Seiko Epson Corp | 永久磁石の製造方法 |
JPS60240105A (ja) * | 1984-05-14 | 1985-11-29 | Shin Etsu Chem Co Ltd | プラスチツク磁石組成物 |
US4668283A (en) * | 1984-06-25 | 1987-05-26 | Mitsui Toatsu Chemicals, Incorporated | Magnetic powder and production process thereof |
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 |
JPS6134242A (ja) * | 1984-07-23 | 1986-02-18 | 帝人株式会社 | 無撚無糊織物の製織方法 |
JPS6181605A (ja) * | 1984-09-04 | 1986-04-25 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
JPS6181606A (ja) * | 1984-09-04 | 1986-04-25 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
JPS636808A (ja) * | 1986-06-26 | 1988-01-12 | Shin Etsu Chem Co Ltd | 希土類永久磁石 |
JPS6367705A (ja) * | 1986-09-09 | 1988-03-26 | Nissan Chem Ind Ltd | 磁性鉄粉の製造方法 |
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. |
JPS63272008A (ja) * | 1987-04-30 | 1988-11-09 | Daido Steel Co Ltd | 異方性プラスチツク磁石の製造方法 |
JPH0666176B2 (ja) * | 1987-06-03 | 1994-08-24 | 鐘淵化学工業株式会社 | 樹脂結合型磁石の製造方法 |
JPS6411304A (en) * | 1987-07-06 | 1989-01-13 | Kanegafuchi Chemical Ind | Permanent plastic magnet |
DE3807042A1 (de) * | 1988-03-04 | 1989-09-14 | Basf Ag | Verfahren zur herstellung von nadelfoermigem (alpha)-fe(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)3(pfeil abwaerts) |
JP2512537B2 (ja) * | 1988-08-08 | 1996-07-03 | 信越化学工業株式会社 | 永久磁石用合金粉末の処理方法および希土類永久磁石の製造方法 |
JPH0372124A (ja) * | 1989-08-11 | 1991-03-27 | Hiroaki Hino | 水洗便器内用水飛散防止剤 |
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 |
JPH05163510A (ja) * | 1991-12-10 | 1993-06-29 | Mitsubishi Materials Corp | 希土類磁石合金粉末の製造法 |
-
1993
- 1993-10-06 JP JP5272967A patent/JPH07106110A/ja active Pending
-
1994
- 1994-08-25 TW TW083107823A patent/TW249859B/zh active
- 1994-09-23 CA CA002132760A patent/CA2132760A1/en not_active Abandoned
- 1994-09-26 DE DE69403041T patent/DE69403041T2/de not_active Expired - Fee Related
- 1994-09-26 EP EP94115131A patent/EP0647953B1/de not_active Expired - Lifetime
- 1994-09-26 AT AT94115131T patent/ATE152852T1/de not_active IP Right Cessation
- 1994-09-30 US US08/316,354 patent/US5443617A/en not_active Expired - Fee Related
- 1994-10-05 KR KR1019940025449A patent/KR950012493A/ko not_active Application Discontinuation
- 1994-10-06 CN CN94117072A patent/CN1110427A/zh active Pending
-
1995
- 1995-05-05 US US08/435,134 patent/US5562782A/en not_active Expired - Fee Related
- 1995-05-05 US US08/435,138 patent/US5580400A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5562782A (en) | 1996-10-08 |
EP0647953A2 (de) | 1995-04-12 |
KR950012493A (ko) | 1995-05-16 |
TW249859B (de) | 1995-06-21 |
CA2132760A1 (en) | 1995-04-07 |
CN1110427A (zh) | 1995-10-18 |
US5443617A (en) | 1995-08-22 |
JPH07106110A (ja) | 1995-04-21 |
ATE152852T1 (de) | 1997-05-15 |
US5580400A (en) | 1996-12-03 |
EP0647953B1 (de) | 1997-05-07 |
EP0647953A3 (de) | 1995-04-26 |
DE69403041T2 (de) | 1997-08-14 |
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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 |