DE3780588D1 - Verfahren zur herstellung eines gesinterten anisotropen seltenerd-eisen-bor-magneten mit hilfe von bandaehnlichen spaenen aus einer seltenerd-eisen-bor-legierung. - Google Patents
Verfahren zur herstellung eines gesinterten anisotropen seltenerd-eisen-bor-magneten mit hilfe von bandaehnlichen spaenen aus einer seltenerd-eisen-bor-legierung.Info
- Publication number
- DE3780588D1 DE3780588D1 DE8787117457T DE3780588T DE3780588D1 DE 3780588 D1 DE3780588 D1 DE 3780588D1 DE 8787117457 T DE8787117457 T DE 8787117457T DE 3780588 T DE3780588 T DE 3780588T DE 3780588 D1 DE3780588 D1 DE 3780588D1
- Authority
- DE
- Germany
- Prior art keywords
- iron boron
- earth iron
- rare
- chips
- help
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/10—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying using centrifugal force
-
- 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
- H01F1/0575—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
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27964586 | 1986-11-26 | ||
JP28575786 | 1986-11-29 | ||
JP1259087 | 1987-01-23 | ||
JP1604087 | 1987-01-28 | ||
JP6794387 | 1987-03-24 | ||
JP7901687 | 1987-03-31 | ||
JP62160966A JPS648205A (en) | 1987-06-30 | 1987-06-30 | Production of melt-quenched alloy and production of rare earth magnet formed by using said alloy |
JP18359787 | 1987-07-24 | ||
JP62184698A JPS6431559A (en) | 1987-07-25 | 1987-07-25 | Method and apparatus for producing rapidly cooled alloy strip from liquid and production of rare earth group magnet using rapidly cooled alloy strip from liquid |
JP22121987 | 1987-09-05 | ||
JP22210987 | 1987-09-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3780588D1 true DE3780588D1 (de) | 1992-08-27 |
DE3780588T2 DE3780588T2 (de) | 1992-12-17 |
Family
ID=27581817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787117457T Expired - Lifetime DE3780588T2 (de) | 1986-11-26 | 1987-11-26 | Verfahren zur herstellung eines gesinterten anisotropen seltenerd-eisen-bor-magneten mit hilfe von bandaehnlichen spaenen aus einer seltenerd-eisen-bor-legierung. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4881986A (de) |
EP (1) | EP0270934B1 (de) |
DE (1) | DE3780588T2 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01139738A (ja) * | 1987-11-27 | 1989-06-01 | Hitachi Metals Ltd | 磁気異方性磁石材料の製造方法及びその装置 |
JP3037699B2 (ja) * | 1988-09-30 | 2000-04-24 | 日立金属株式会社 | 耐割れ性及び配向性を改善した温間加工磁石ならびにその製造方法 |
US5049335A (en) * | 1989-01-25 | 1991-09-17 | Massachusetts Institute Of Technology | Method for making polycrystalline flakes of magnetic materials having strong grain orientation |
JPH0344904A (ja) * | 1989-07-12 | 1991-02-26 | Matsushita Electric Ind Co Ltd | 希土類・鉄系永久磁石の製造方法 |
JP2596835B2 (ja) * | 1989-08-04 | 1997-04-02 | 新日本製鐵株式会社 | 希土類系異方性粉末および希土類系異方性磁石 |
JP2819748B2 (ja) * | 1990-03-23 | 1998-11-05 | 大同特殊鋼株式会社 | 薄肉長尺リング状磁石成形体の成形方法 |
US5240627A (en) * | 1990-07-24 | 1993-08-31 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Bonded rare earth magnet and a process for manufacturing the same |
DE69101413T2 (de) * | 1990-07-24 | 1994-07-07 | Kanegafuchi Chemical Ind | Gebundener Seltenerdmagnet und Verfahren zur Herstellung. |
US5300156A (en) * | 1990-07-24 | 1994-04-05 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Bonded rare earth magnet and a process for manufacturing the same |
US5690752A (en) * | 1993-06-14 | 1997-11-25 | Santoku Metal Industry Co., Ltd. | Permanent magnet containing rare earth metal, boron and iron |
JPH10125518A (ja) * | 1996-10-18 | 1998-05-15 | Sumitomo Special Metals Co Ltd | 微細結晶組織を有する薄板磁石 |
DE69822798T2 (de) * | 1997-02-06 | 2004-08-05 | Sumitomo Special Metals Co., Ltd. | Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur |
US6329894B1 (en) * | 1997-02-14 | 2001-12-11 | Sumitomo Special Metals Co., Ltd. | Thin plate magnet having microcrystalline structure |
US6302939B1 (en) | 1999-02-01 | 2001-10-16 | Magnequench International, Inc. | Rare earth permanent magnet and method for making same |
JP2001210508A (ja) * | 1999-07-05 | 2001-08-03 | Hitachi Metals Ltd | アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法 |
CN1162872C (zh) * | 1999-12-27 | 2004-08-18 | 住友特殊金属株式会社 | 铁基磁性材料合金粉末的制造方法 |
JP3233359B2 (ja) * | 2000-03-08 | 2001-11-26 | 住友特殊金属株式会社 | 希土類合金磁性粉末成形体の作製方法および希土類磁石の製造方法 |
US6818041B2 (en) | 2000-09-18 | 2004-11-16 | Neomax Co., Ltd | Magnetic alloy powder for permanent magnet and method for producing the same |
CN1261260C (zh) | 2001-11-28 | 2006-06-28 | 株式会社新王磁材 | 稀土类合金造粒粉的制法及稀土类合金烧结体的制法 |
US9336932B1 (en) * | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
CN108893665A (zh) * | 2018-06-29 | 2018-11-27 | 南通志乐新材料有限公司 | 一种TiCrMnFe基环保材料 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
US4851058A (en) * | 1982-09-03 | 1989-07-25 | General Motors Corporation | High energy product rare earth-iron magnet alloys |
JPS609852A (ja) * | 1983-06-24 | 1985-01-18 | ゼネラル・モ−タ−ズ・コ−ポレ−シヨン | 高エネルギ−積の稀土類−鉄磁石合金 |
JPS60162750A (ja) * | 1984-02-01 | 1985-08-24 | Nippon Gakki Seizo Kk | 希土類磁石およびその製法 |
JPS60189901A (ja) * | 1984-03-09 | 1985-09-27 | Sumitomo Special Metals Co Ltd | 希土類・ボロン・鉄系永久磁石用合金粉末の製造方法 |
JPH0789521B2 (ja) * | 1985-03-28 | 1995-09-27 | 株式会社東芝 | 希土類鉄系永久磁石 |
JPH0689546A (ja) * | 1992-04-20 | 1994-03-29 | Nec Corp | 磁気ヘッド位置決め制御装置 |
-
1987
- 1987-11-25 US US07/138,250 patent/US4881986A/en not_active Expired - Lifetime
- 1987-11-26 DE DE8787117457T patent/DE3780588T2/de not_active Expired - Lifetime
- 1987-11-26 EP EP87117457A patent/EP0270934B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0270934B1 (de) | 1992-07-22 |
US4881986A (en) | 1989-11-21 |
DE3780588T2 (de) | 1992-12-17 |
EP0270934A1 (de) | 1988-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3780588D1 (de) | Verfahren zur herstellung eines gesinterten anisotropen seltenerd-eisen-bor-magneten mit hilfe von bandaehnlichen spaenen aus einer seltenerd-eisen-bor-legierung. | |
DE3783413D1 (de) | Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders. | |
DE3883038D1 (de) | Verfahren zur herstellung eines anisotropen seltene erden-eisen-bor-verbundmagneten mit hilfe von bandaehnlichen spaenen aus einer seltene erden-eisen-bor-legierung. | |
DE3575232D1 (de) | Verfahren zur herstellung eines permanentmagneten. | |
DE3686043D1 (de) | Dauermagnetherstellung aus einer seltenerd-uebergangsmetall-bor-legierung sehr niedriger koerzivitaet. | |
DE3782285D1 (de) | Verfahren zur herstellung einer neodym-eisen-bor-dauermagnetlegierung. | |
EP0411571A3 (en) | Rare earth permanent magnet powder, method for producing same and bonded magnet | |
DE60022442D1 (de) | Verfahren zur direkten erzeugung von mischoxiden der seltenen erdmetalle durch selektive extraktion | |
DE69202515D1 (de) | Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden. | |
DE68927460D1 (de) | Gesinterter seltenerdelement-b-fe-magnet und verfahren zur herstellung | |
DE68907158D1 (de) | Verfahren zur herstellung eines zusammengesetzten koerpers aus gesintertem siliciumcarbid. | |
DE3483603D1 (de) | Verfahren zur herstellung eines hochreinen metallbestandteiles. | |
DE3485982D1 (de) | Verfahren zur herstellung von eisenoxid. | |
DE3684052D1 (de) | Verfahren zur herstellung von vorverlaengerten epoxidharz-zusammensetzungen. | |
DE3578720D1 (de) | Verfahren zur herstellung eines keramikverbundgefueges. | |
DE3765959D1 (de) | Verfahren zur herstellung von alpha-sialon-pulver. | |
DE60010355D1 (de) | Verfahren zur Herstellung einer dreiwertige Seltenerdioden enthaltenenden Aluminat-phosphoreszierenden Substanz | |
DE68911502D1 (de) | Verfahren zur herstellung eines dauermagnetes. | |
DE3881474D1 (de) | Verfahren zur metallisierung eines lumineszenten schirmes. | |
DE69002502D1 (de) | Verfahren zur herstellung einer metalloxidschicht. | |
DE3878486D1 (de) | Verfahren zur herstellung eines hartloetflussmittels. | |
DE3763379D1 (de) | Verfahren zur herstellung eines aus einer geschlitzten metallhuelse und einer ummantelung bestehenden bauteils und nach dem verfahren hergestelltes bauteil. | |
DE69110575D1 (de) | Verfahren zur herstellung von seltenerd-oxysulfidphosphor. | |
DE69400596D1 (de) | Verfahren zur Herstellung eines Seltene-Erden-Oxyd-Pulvers | |
DE3679006D1 (de) | Verfahren zur fluessigen eisenherstellung aus eisenoxyd. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NEC TOKIN CORP., SENDAI, MIYAGI, JP |
|
8339 | Ceased/non-payment of the annual fee |