ATE354858T1 - Auf eisen-seltenerd-bor basierte leistungsfähige magnetische materialien - Google Patents

Auf eisen-seltenerd-bor basierte leistungsfähige magnetische materialien

Info

Publication number
ATE354858T1
ATE354858T1 AT99938718T AT99938718T ATE354858T1 AT E354858 T1 ATE354858 T1 AT E354858T1 AT 99938718 T AT99938718 T AT 99938718T AT 99938718 T AT99938718 T AT 99938718T AT E354858 T1 ATE354858 T1 AT E354858T1
Authority
AT
Austria
Prior art keywords
boron
rare earth
iron
magnetic materials
materials based
Prior art date
Application number
AT99938718T
Other languages
English (en)
Inventor
Wen Cheng Chang
Bao-Min Ma
Qun Chen
Charles O Bounds
Original Assignee
Santoku Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Santoku Corp filed Critical Santoku Corp
Application granted granted Critical
Publication of ATE354858T1 publication Critical patent/ATE354858T1/de

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • C04B35/58064—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
    • 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
    • B22F9/002—Making metallic powder or suspensions thereof amorphous or microcrystalline
    • B22F9/007—Transformation of amorphous into microcrystalline state
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/5156—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on rare earth compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • C04B35/58064—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
    • C04B35/58071—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides based on titanium borides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • C04B35/58064—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
    • C04B35/58078—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides based on zirconium or hafnium borides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653—Processes involving a melting step
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • 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
    • 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
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Composite Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Powder Metallurgy (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)
AT99938718T 1998-07-13 1999-07-09 Auf eisen-seltenerd-bor basierte leistungsfähige magnetische materialien ATE354858T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9295998P 1998-07-13 1998-07-13

Publications (1)

Publication Number Publication Date
ATE354858T1 true ATE354858T1 (de) 2007-03-15

Family

ID=22235971

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99938718T ATE354858T1 (de) 1998-07-13 1999-07-09 Auf eisen-seltenerd-bor basierte leistungsfähige magnetische materialien

Country Status (10)

Country Link
US (1) US6352599B1 (de)
EP (1) EP1105889B1 (de)
JP (1) JP4596645B2 (de)
CN (1) CN1265401C (de)
AT (1) ATE354858T1 (de)
AU (1) AU5313899A (de)
CA (1) CA2336011A1 (de)
DE (1) DE69935231T2 (de)
TW (1) TW493185B (de)
WO (1) WO2000003403A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589367B2 (en) * 1999-06-14 2003-07-08 Shin-Etsu Chemical Co., Ltd. Anisotropic rare earth-based permanent magnet material
KR100562681B1 (ko) * 2000-05-24 2006-03-23 가부시키가이샤 네오맥스 복수의 강자성상을 포함하는 영구자석 및 그 제조방법
JP4243413B2 (ja) * 2000-05-31 2009-03-25 セイコーエプソン株式会社 磁石粉末の製造方法およびボンド磁石の製造方法
JP4243415B2 (ja) * 2000-06-06 2009-03-25 セイコーエプソン株式会社 磁石粉末の製造方法およびボンド磁石の製造方法
EP1880782B1 (de) 2000-10-06 2015-01-07 Santoku Corporation Verfahren zur Bewertung einer Rohlegierung für einen Magneten
US6790296B2 (en) * 2000-11-13 2004-09-14 Neomax Co., Ltd. Nanocomposite magnet and method for producing same
US7217328B2 (en) * 2000-11-13 2007-05-15 Neomax Co., Ltd. Compound for rare-earth bonded magnet and bonded magnet using the compound
WO2002067275A1 (en) 2001-02-07 2002-08-29 Sumitomo Special Metals Co., Ltd. Method of making material alloy for iron-based rare earth magnet
US6555018B2 (en) * 2001-02-28 2003-04-29 Magnequench, Inc. Bonded magnets made with atomized permanent magnetic powders
EP1388152A2 (de) * 2001-05-15 2004-02-11 Sumitomo Special Metals Company Limited Seltenerd-legierungs-nanozusammensetzungs-magnet auf eisenbasis und verfahren zu seiner herstellung
WO2003012802A1 (en) * 2001-07-31 2003-02-13 Sumitomo Special Metals Co., Ltd. Method for producing nanocomposite magnet using atomizing method
US6596096B2 (en) * 2001-08-14 2003-07-22 General Electric Company Permanent magnet for electromagnetic device and method of making
KR100535945B1 (ko) * 2001-11-22 2005-12-12 가부시키가이샤 네오맥스 나노컴포지트 자석
JP3602120B2 (ja) 2002-08-08 2004-12-15 株式会社Ｎｅｏｍａｘ ナノコンポジット磁石用急冷合金の製造方法
US6979409B2 (en) * 2003-02-06 2005-12-27 Magnequench, Inc. Highly quenchable Fe-based rare earth materials for ferrite replacement
JP4600285B2 (ja) * 2003-12-10 2010-12-15 日立金属株式会社 ナノコンポジット磁石、ナノコンポジット磁石用急冷合金、およびこれらの製造方法ならびに判別方法
JP5366000B2 (ja) * 2009-04-27 2013-12-11 日立金属株式会社 希土類系永久磁石およびその製造方法
US20120285583A1 (en) * 2011-05-12 2012-11-15 GM Global Technology Operations LLC Cerium based permanent magnet material
JP6117706B2 (ja) * 2012-01-04 2017-04-19 トヨタ自動車株式会社 希土類ナノコンポジット磁石
DE102014006519A1 (de) 2014-05-03 2015-11-05 Smart Material Printing B.V. Verwendung magnetischer und/oder magnetisierbarer, polymerer Mikro- und/oder Nanocomposite zur Herstellung komplexer, magnetischer und/oder magnetisierbarer Formteile mithilfe additiver Fabrikatoren
JP2019508879A (ja) * 2016-01-25 2019-03-28 ユーティー−バッテル・エルエルシー 選択的な表面改質を有するネオジム−鉄−ボロン磁石およびその製造方法
CN108475567B (zh) * 2016-12-16 2022-04-29 Neo新材料技术（新加坡）私人有限公司 合金组合物、磁性材料、粘结磁体及其制造方法
KR102313049B1 (ko) * 2017-12-05 2021-10-14 미쓰비시덴키 가부시키가이샤 영구 자석, 영구 자석의 제조 방법, 및 회전기
JP7294288B2 (ja) * 2020-09-25 2023-06-20 トヨタ自動車株式会社 磁性材料及びその製造方法
JP7409285B2 (ja) * 2020-10-22 2024-01-09 トヨタ自動車株式会社 希土類磁石及びその製造方法

Family Cites Families (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE34322E (en) 1981-10-23 1993-07-27 The United States Of America As Represented By The Secretary Of The Navy Preparation of hard magnetic alloys of a transition metal and lanthanide
US4533408A (en) 1981-10-23 1985-08-06 Koon Norman C Preparation of hard magnetic alloys of a transition metal and lanthanide
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
US5194098A (en) 1982-08-21 1993-03-16 Sumitomo Special Metals Co., Ltd. Magnetic materials
US5466308A (en) 1982-08-21 1995-11-14 Sumitomo Special Metals Co. Ltd. Magnetic precursor materials for making permanent magnets
US4792368A (en) 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
CA1316375C (en) 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US5174362A (en) 1982-09-03 1992-12-29 General Motors Corporation High-energy product rare earth-iron magnet alloys
US5172751A (en) 1982-09-03 1992-12-22 General Motors Corporation High energy product rare earth-iron magnet alloys
US4851058A (en) 1982-09-03 1989-07-25 General Motors Corporation High energy product rare earth-iron magnet alloys
EP0108474B2 (de) 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B Legierungen, deren Herstellung und permanent Magnete die solche Legierungen enthalten
US4597938A (en) 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS6032306A (ja) 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
JPH0663056B2 (ja) 1984-01-09 1994-08-17 コルモーゲン コーポレイション 非焼結永久磁石合金及びその製造方法
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
DE3577618D1 (de) 1984-09-14 1990-06-13 Toshiba Kawasaki Kk Permanentmagnetische legierung und methode zu ihrer herstellung.
US4767450A (en) 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
USRE34838E (en) * 1984-12-31 1995-01-31 Tdk Corporation Permanent magnet and method for producing same
US4765848A (en) * 1984-12-31 1988-08-23 Kaneo Mohri Permanent magnent and method for producing same
JPH0789521B2 (ja) 1985-03-28 1995-09-27 株式会社東芝 希土類鉄系永久磁石
US5538565A (en) 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
JP2530641B2 (ja) 1986-03-20 1996-09-04 日立金属株式会社 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法
JP2727505B2 (ja) * 1986-04-15 1998-03-11 ティーディーケイ株式会社 永久磁石およびその製造方法
US4836868A (en) * 1986-04-15 1989-06-06 Tdk Corporation Permanent magnet and method of producing same
JP2727506B2 (ja) * 1986-04-15 1998-03-11 ティーディーケイ株式会社 永久磁石およびその製造方法
JPS62281403A (ja) * 1986-05-30 1987-12-07 Tdk Corp 永久磁石
US4747874A (en) 1986-05-30 1988-05-31 Union Oil Company Of California Rare earth-iron-boron permanent magnets with enhanced coercivity
US5041171A (en) 1986-07-18 1991-08-20 U.S. Philips Corporation Hard magnetic material
JPS6328844A (ja) 1986-07-23 1988-02-06 Toshiba Corp 永久磁石材料
EP0264153B1 (de) 1986-10-10 1992-03-18 Koninklijke Philips Electronics N.V. Magnetisches Material aus Eisen, Bor und Seltenerdmetall
US4983232A (en) 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
US4902360A (en) 1987-02-04 1990-02-20 Crucible Materials Corporation Permanent magnet alloy for elevated temperature applications
US5213631A (en) 1987-03-02 1993-05-25 Seiko Epson Corporation Rare earth-iron system permanent magnet and process for producing the same
US5186761A (en) 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
US5460662A (en) 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
JPH02201902A (ja) * 1989-01-30 1990-08-10 Tdk Corp 永久磁石
US5022939A (en) * 1987-07-30 1991-06-11 Tdk Corporation Permanent magnets
JPH02201903A (ja) * 1989-01-30 1990-08-10 Tdk Corp 永久磁石粉末
JPH01103805A (ja) * 1987-07-30 1989-04-20 Tdk Corp 永久磁石
DE3850001T2 (de) 1987-08-19 1994-11-03 Mitsubishi Materials Corp Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren.
US4867785A (en) 1988-05-09 1989-09-19 Ovonic Synthetic Materials Company, Inc. Method of forming alloy particulates having controlled submicron crystallite size distributions
DE68925506T2 (de) * 1988-10-04 1996-09-19 Hitachi Metals Ltd Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung
US5114502A (en) 1989-06-13 1992-05-19 Sps Technologies, Inc. Magnetic materials and process for producing the same
JPH0353505A (ja) * 1989-07-21 1991-03-07 Tdk Corp ボンディッド磁石およびその着磁方法
DE69009335T2 (de) 1989-07-31 1994-11-03 Mitsubishi Materials Corp Seltenerdpulver für Dauermagnet, Herstellungsverfahren und Verbundmagnet.
CA2030446C (en) 1989-11-22 2001-01-23 Yoshihito Yoshizawa Magnetic alloy with ultrafine crystal grains and method of producing same
US5037492A (en) 1989-12-19 1991-08-06 General Motors Corporation Alloying low-level additives into hot-worked Nd-Fe-B magnets
US5162064A (en) 1990-04-10 1992-11-10 Crucible Materials Corporation Permanent magnet having improved corrosion resistance and method for producing the same
JP2774372B2 (ja) 1990-09-20 1998-07-09 三菱製鋼株式会社 永久磁石粉末
US5250206A (en) * 1990-09-26 1993-10-05 Mitsubishi Materials Corporation Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom
DE4133214C2 (de) * 1990-10-05 1996-11-07 Hitachi Metals Ltd Aus Eisen-Seltenerdmetall-Legierung bestehendes Dauermagnetmaterial
WO1992015995A1 (de) 1991-03-08 1992-09-17 Basf Aktiengesellschaft Eine neue kategorie magnetischer materialien, deren herstellung und anwendung
US5545266A (en) 1991-11-11 1996-08-13 Sumitomo Special Metals Co., Ltd. Rare earth magnets and alloy powder for rare earth magnets and their manufacturing methods
JP2782024B2 (ja) 1992-01-29 1998-07-30 住友特殊金属株式会社 Ｒ−Ｆｅ−Ｂ系永久磁石用原料粉末の製造方法
EP0556751B1 (de) 1992-02-15 1998-06-10 Santoku Metal Industry Co., Ltd. Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagneten
GB9215109D0 (en) 1992-07-16 1992-08-26 Univ Sheffield Magnetic materials and method of making them
US5403408A (en) 1992-10-19 1995-04-04 Inland Steel Company Non-uniaxial permanent magnet material
JP2753432B2 (ja) * 1992-10-28 1998-05-20 ゼネラル・モーターズ・コーポレーション 焼結永久磁石
EP0633582B1 (de) 1992-12-28 1998-02-25 Aichi Steel Works, Ltd. Seltenerd magnetpulver und herstellungsverfahren
US5690752A (en) 1993-06-14 1997-11-25 Santoku Metal Industry Co., Ltd. Permanent magnet containing rare earth metal, boron and iron
US5591535A (en) 1993-07-01 1997-01-07 Dowa Mining Co., Ltd. Ferromagnetic metal powder
US5549766A (en) 1993-08-31 1996-08-27 Kabushiki Kaisha Toshiba Magnetic material
US5647886A (en) 1993-11-11 1997-07-15 Seiko Epson Corporation Magnetic powder, permanent magnet produced therefrom and process for producing them
JPH07188704A (ja) * 1993-12-27 1995-07-25 Showa Denko Kk 希土類永久磁石用合金粉末及びその製造法
US5454998A (en) 1994-02-04 1995-10-03 Ybm Technologies, Inc. Method for producing permanent magnet
JP3644062B2 (ja) 1995-01-13 2005-04-27 Ｊｆｅスチール株式会社 軟磁気特性に優れた低ボロンアモルファス合金

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CN1309811A (zh) 2001-08-22
CN1265401C (zh) 2006-07-19
CA2336011A1 (en) 2000-01-20
DE69935231D1 (de) 2007-04-05
DE69935231T2 (de) 2007-12-20
TW493185B (en) 2002-07-01
EP1105889A4 (de) 2004-11-10
AU5313899A (en) 2000-02-01
JP2002520843A (ja) 2002-07-09
WO2000003403A1 (en) 2000-01-20
JP4596645B2 (ja) 2010-12-08
EP1105889B1 (de) 2007-02-21
EP1105889A1 (de) 2001-06-13

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