DE69822798D1 - Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur - Google Patents
Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline strukturInfo
- Publication number
- DE69822798D1 DE69822798D1 DE69822798T DE69822798T DE69822798D1 DE 69822798 D1 DE69822798 D1 DE 69822798D1 DE 69822798 T DE69822798 T DE 69822798T DE 69822798 T DE69822798 T DE 69822798T DE 69822798 D1 DE69822798 D1 DE 69822798D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacturing
- magnetic disc
- thin magnetic
- microcrystalline structure
- microcrystalline
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
- H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring 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
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Continuous Casting (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3988097 | 1997-02-06 | ||
JP3988097 | 1997-02-06 | ||
JP7444397 | 1997-03-10 | ||
JP7444397 | 1997-03-10 | ||
PCT/JP1998/000330 WO1998035364A1 (fr) | 1997-02-06 | 1998-01-28 | Procede de fabrication d'un aimant a plaque mince possedant une structure microcristalline |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69822798D1 true DE69822798D1 (de) | 2004-05-06 |
DE69822798T2 DE69822798T2 (de) | 2004-08-05 |
Family
ID=26379287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69822798T Expired - Lifetime DE69822798T2 (de) | 1997-02-06 | 1998-01-28 | Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur |
Country Status (6)
Country | Link |
---|---|
US (1) | US6386269B1 (de) |
EP (1) | EP0959478B1 (de) |
KR (1) | KR100345995B1 (de) |
CN (1) | CN1111879C (de) |
DE (1) | DE69822798T2 (de) |
WO (1) | WO1998035364A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW383249B (en) * | 1998-09-01 | 2000-03-01 | Sumitomo Spec Metals | Cutting method for rare earth alloy by annular saw and manufacturing for rare earth alloy board |
US7195661B2 (en) | 1999-03-05 | 2007-03-27 | Pioneer Metals And Technology, Inc. | Magnetic material |
US6524399B1 (en) * | 1999-03-05 | 2003-02-25 | Pioneer Metals And Technology, Inc. | Magnetic material |
US6478889B2 (en) | 1999-12-21 | 2002-11-12 | Sumitomo Special Metals Co., Ltd. | Iron-base alloy permanent magnet powder and method for producing the same |
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 |
WO2001091139A1 (en) | 2000-05-24 | 2001-11-29 | Sumitomo Special Metals Co., Ltd. | Permanent magnet including multiple ferromagnetic phases and method for producing the magnet |
US7217328B2 (en) * | 2000-11-13 | 2007-05-15 | Neomax Co., Ltd. | Compound for rare-earth bonded magnet and bonded magnet using the compound |
RU2250524C2 (ru) * | 2001-05-15 | 2005-04-20 | Неомакс Ко., Лтд. | Нанокомпозитные магниты из содержащего редкоземельный элемент сплава на основе железа |
WO2003012802A1 (en) | 2001-07-31 | 2003-02-13 | Sumitomo Special Metals Co., Ltd. | Method for producing nanocomposite magnet using atomizing method |
JP3654236B2 (ja) * | 2001-11-07 | 2005-06-02 | 株式会社日立製作所 | 電極デバイスの製造方法 |
JP4069727B2 (ja) * | 2001-11-20 | 2008-04-02 | 日立金属株式会社 | 希土類系ボンド磁石用コンパウンドおよびそれを用いたボンド磁石 |
EP1446816B1 (de) * | 2001-11-22 | 2006-08-02 | Neomax Co., Ltd. | Nanozusammensetzungsmagnet |
CN1959878B (zh) * | 2005-11-02 | 2010-09-15 | 四川大学 | 一种纳米晶钕铁硼永磁块体的制备方法 |
CN101509107B (zh) * | 2009-02-23 | 2010-06-02 | 浙江大学 | 铁基非晶合金磁性材料及其制备方法 |
CN103331449B (zh) * | 2013-06-05 | 2015-09-02 | 华南理工大学 | 一种超高塑性双尺度分布的超细晶/微米晶块体铁材料及其制备方法 |
DE102016104384A1 (de) | 2015-03-13 | 2016-09-15 | Showa Denko K.K. | Gesinterter Magnet auf R-T-B-Seltenerdbasis und Legierung für einen gesinterten Magneten auf R-T-B-Seltenerdbasis |
JP6672753B2 (ja) * | 2015-03-13 | 2020-03-25 | Tdk株式会社 | R−t−b系希土類焼結磁石及びr−t−b系希土類焼結磁石用合金 |
CN108085608A (zh) * | 2016-11-23 | 2018-05-29 | 龙岩紫荆创新研究院 | 一种R-B-Ti-Fe合金粉末及其制备方法与该合金粉末制备的热压磁体 |
CN110491615A (zh) * | 2019-07-18 | 2019-11-22 | 山东科技大学 | 一种用于小型直流电机的钕铁硼磁体制备方法 |
CN112216499A (zh) * | 2020-08-25 | 2021-01-12 | 宁波同创强磁材料有限公司 | 一种抗氧化烧结钕铁硼磁体的制备方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4792368A (en) * | 1982-08-21 | 1988-12-20 | Sumitomo Special Metals Co., Ltd. | Magnetic materials and permanent magnets |
DE3379131D1 (en) | 1982-09-03 | 1989-03-09 | Gen Motors Corp | Re-tm-b alloys, method for their production and permanent magnets containing such alloys |
US4840684A (en) * | 1983-05-06 | 1989-06-20 | Sumitomo Special Metals Co, Ltd. | Isotropic permanent magnets and process for producing same |
JPS6032306A (ja) * | 1983-08-02 | 1985-02-19 | Sumitomo Special Metals Co Ltd | 永久磁石 |
JPS60152008A (ja) * | 1984-01-20 | 1985-08-10 | Tdk Corp | 永久磁石用材料 |
JPS6115943A (ja) * | 1984-07-03 | 1986-01-24 | Kawasaki Steel Corp | 希土類系永久磁石薄帯 |
US4767450A (en) * | 1984-11-27 | 1988-08-30 | Sumitomo Special Metals Co., Ltd. | Process for producing the rare earth alloy powders |
US4762574A (en) * | 1985-06-14 | 1988-08-09 | Union Oil Company Of California | Rare earth-iron-boron premanent magnets |
US5125988A (en) * | 1987-03-02 | 1992-06-30 | Seiko Epson Corporation | Rare earth-iron system permanent magnet and process for producing the same |
EP0248981B1 (de) | 1986-06-12 | 1993-07-07 | Kabushiki Kaisha Toshiba | Dauermagnet und Dauermagnetlegierung |
JPS6318602A (ja) * | 1986-07-11 | 1988-01-26 | Toshiba Corp | 希土類鉄系永久磁石の製造方法 |
DE3777523D1 (de) | 1986-10-10 | 1992-04-23 | Philips Nv | Magnetisches material aus eisen, bor und seltenerdmetall. |
WO1988004098A1 (en) | 1986-11-26 | 1988-06-02 | Tokin Corporation | A method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
US4881986A (en) * | 1986-11-26 | 1989-11-21 | Tokin Corporation | Method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes |
JPH01171209A (ja) * | 1987-12-25 | 1989-07-06 | Seiko Epson Corp | 永久磁石の製造法 |
KR890010942A (ko) * | 1987-12-30 | 1989-08-11 | 서주인 | 영구 자석의 합금 조성물 |
US5096513A (en) * | 1989-09-01 | 1992-03-17 | Kabushiki Kaisha Toshiba | Very thin soft magnetic alloy strips and magnetic core and electromagnetic apparatus made therefrom |
KR920005184B1 (ko) * | 1989-12-29 | 1992-06-29 | 포항종합제철 주식회사 | 이방성 희토류 영구자석의 제조방법 |
CN1053988C (zh) * | 1991-11-11 | 2000-06-28 | 住友特殊金属株式会社 | 稀土磁体和稀土磁体用的合金粉末及其制造方法 |
JP3826323B2 (ja) * | 1992-07-17 | 2006-09-27 | Tdk株式会社 | めっき磁性薄膜の製造方法 |
JP3040895B2 (ja) * | 1993-02-23 | 2000-05-15 | 住友特殊金属株式会社 | 希土類ボンド磁石とその製造方法 |
DE69423305T2 (de) | 1993-12-10 | 2000-11-30 | Sumitomo Special Metals Co., Ltd. | Dauermagnet-Legierungspulver auf Eisenbasis für harzgebundene Magneten und daraus hergestellte Magneten |
JP3411663B2 (ja) * | 1994-03-18 | 2003-06-03 | 住友特殊金属株式会社 | 永久磁石合金並びに永久磁石合金粉末とその製造方法 |
JPH08264363A (ja) * | 1995-03-24 | 1996-10-11 | Hitachi Metals Ltd | 希土類永久磁石の製造方法 |
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 |
-
1998
- 1998-01-28 CN CN98803152A patent/CN1111879C/zh not_active Expired - Lifetime
- 1998-01-28 KR KR1019997007021A patent/KR100345995B1/ko not_active IP Right Cessation
- 1998-01-28 EP EP98901011A patent/EP0959478B1/de not_active Expired - Lifetime
- 1998-01-28 WO PCT/JP1998/000330 patent/WO1998035364A1/ja active IP Right Grant
- 1998-01-28 US US09/355,789 patent/US6386269B1/en not_active Expired - Lifetime
- 1998-01-28 DE DE69822798T patent/DE69822798T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100345995B1 (ko) | 2002-07-24 |
EP0959478B1 (de) | 2004-03-31 |
KR20000070762A (ko) | 2000-11-25 |
DE69822798T2 (de) | 2004-08-05 |
EP0959478A4 (de) | 2000-08-09 |
EP0959478A1 (de) | 1999-11-24 |
CN1249845A (zh) | 2000-04-05 |
US6386269B1 (en) | 2002-05-14 |
WO1998035364A1 (fr) | 1998-08-13 |
CN1111879C (zh) | 2003-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |