JP5191620B2 - 希土類永久磁石合金の製造方法 - Google Patents

希土類永久磁石合金の製造方法 Download PDF

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Publication number
JP5191620B2
JP5191620B2 JP2000596574A JP2000596574A JP5191620B2 JP 5191620 B2 JP5191620 B2 JP 5191620B2 JP 2000596574 A JP2000596574 A JP 2000596574A JP 2000596574 A JP2000596574 A JP 2000596574A JP 5191620 B2 JP5191620 B2 JP 5191620B2
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particles
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JP2002536539A5 (https=
JP2002536539A (ja
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ラビン、バリー、エイチ．
セラーズ、チャールズ、エイチ．
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マグネクウェンチ インターナショナル インコーポレイテッド
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    • 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
    • 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
    • B22F9/008—Rapid solidification processing
    • 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
    • H01F1/0574—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 liquid dynamic compaction
    • 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
    • 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
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
JP2000596574A 1999-02-01 2000-01-26 希土類永久磁石合金の製造方法 Expired - Fee Related JP5191620B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/241,978 1999-02-01
US09/241,978 US6302939B1 (en) 1999-02-01 1999-02-01 Rare earth permanent magnet and method for making same
PCT/US2000/001842 WO2000045397A1 (en) 1999-02-01 2000-01-26 Rare earth permanent magnet and method for making same

Publications (3)

Publication Number Publication Date
JP2002536539A JP2002536539A (ja) 2002-10-29
JP2002536539A5 JP2002536539A5 (https=) 2010-09-02
JP5191620B2 true JP5191620B2 (ja) 2013-05-08

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JP2000596574A Expired - Fee Related JP5191620B2 (ja) 1999-02-01 2000-01-26 希土類永久磁石合金の製造方法

Country Status (5)

Country Link
US (1) US6302939B1 (https=)
JP (1) JP5191620B2 (https=)
CN (1) CN1180443C (https=)
DE (1) DE10083996T1 (https=)
WO (1) WO2000045397A1 (https=)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE513989C2 (sv) * 2000-01-01 2000-12-11 Sandvik Ab Förfarande för tillverkning av ett FeCrAl-material och ett sådant marerial
KR100562681B1 (ko) 2000-05-24 2006-03-23 가부시키가이샤 네오맥스 복수의 강자성상을 포함하는 영구자석 및 그 제조방법
US6506289B2 (en) 2000-08-07 2003-01-14 Symmorphix, Inc. Planar optical devices and methods for their manufacture
JP2002161302A (ja) * 2000-09-18 2002-06-04 Sumitomo Special Metals Co Ltd 永久磁石用磁性合金粉末およびその製造方法
US6818041B2 (en) * 2000-09-18 2004-11-16 Neomax Co., Ltd Magnetic alloy powder for permanent magnet and method for producing the same
WO2002030595A1 (en) 2000-10-06 2002-04-18 Santoku Corporation Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet
US7217328B2 (en) 2000-11-13 2007-05-15 Neomax Co., Ltd. Compound for rare-earth bonded magnet and bonded magnet using the compound
US6790296B2 (en) 2000-11-13 2004-09-14 Neomax Co., Ltd. Nanocomposite magnet and method for producing same
US6555018B2 (en) * 2001-02-28 2003-04-29 Magnequench, Inc. Bonded magnets made with atomized permanent magnetic powders
HU227736B1 (en) 2001-05-15 2012-02-28 Hitachi Metals Ltd Iron-based rare earth alloy nanocomposite magnet and method for producing the same
JP5437544B2 (ja) * 2001-06-11 2014-03-12 株式会社三徳 二次電池用負極の製造法
US7469558B2 (en) 2001-07-10 2008-12-30 Springworks, Llc As-deposited planar optical waveguides with low scattering loss and methods for their manufacture
CN1220990C (zh) 2001-07-31 2005-09-28 株式会社新王磁材 使用喷雾法的纳米复合磁体制造方法
US7404877B2 (en) 2001-11-09 2008-07-29 Springworks, Llc Low temperature zirconia based thermal barrier layer by PVD
ATE335280T1 (de) 2001-11-22 2006-08-15 Neomax Co Ltd Nanozusammensetzungsmagnet
US7378356B2 (en) 2002-03-16 2008-05-27 Springworks, Llc Biased pulse DC reactive sputtering of oxide films
US6884327B2 (en) 2002-03-16 2005-04-26 Tao Pan Mode size converter for a planar waveguide
US6838967B2 (en) * 2002-06-03 2005-01-04 Michael Martin Support surface that utilizes magnetic repulsive forces
US20040085168A1 (en) * 2002-06-03 2004-05-06 Michael Martin Apparatus for maintaining magnets in opposing relationship, and support apparatus that utilizes same
US8236443B2 (en) 2002-08-09 2012-08-07 Infinite Power Solutions, Inc. Metal film encapsulation
US8404376B2 (en) 2002-08-09 2013-03-26 Infinite Power Solutions, Inc. Metal film encapsulation
US8431264B2 (en) 2002-08-09 2013-04-30 Infinite Power Solutions, Inc. Hybrid thin-film battery
US8445130B2 (en) 2002-08-09 2013-05-21 Infinite Power Solutions, Inc. Hybrid thin-film battery
US8394522B2 (en) 2002-08-09 2013-03-12 Infinite Power Solutions, Inc. Robust metal film encapsulation
US7993773B2 (en) 2002-08-09 2011-08-09 Infinite Power Solutions, Inc. Electrochemical apparatus with barrier layer protected substrate
US8021778B2 (en) 2002-08-09 2011-09-20 Infinite Power Solutions, Inc. Electrochemical apparatus with barrier layer protected substrate
US20070264564A1 (en) 2006-03-16 2007-11-15 Infinite Power Solutions, Inc. Thin film battery on an integrated circuit or circuit board and method thereof
AU2003261463A1 (en) 2002-08-27 2004-03-19 Symmorphix, Inc. Optically coupling into highly uniform waveguides
EP1589544A4 (en) * 2003-01-28 2008-03-26 Tdk Corp HARD MAGNETIC COMPOSITION, PERMANENT MAGNET POWDER, PROCESS FOR PREPARING POWDER FOR PERMANENT MAGNET AND AGGLOMERIC MAGNET
US6979409B2 (en) * 2003-02-06 2005-12-27 Magnequench, Inc. Highly quenchable Fe-based rare earth materials for ferrite replacement
US7205662B2 (en) 2003-02-27 2007-04-17 Symmorphix, Inc. Dielectric barrier layer films
US7238628B2 (en) 2003-05-23 2007-07-03 Symmorphix, Inc. Energy conversion and storage films and devices by physical vapor deposition of titanium and titanium oxides and sub-oxides
US8728285B2 (en) 2003-05-23 2014-05-20 Demaray, Llc Transparent conductive oxides
WO2004105982A1 (ja) * 2003-05-27 2004-12-09 Neomax Co., Ltd. 希土類合金の造粒粉の製造方法および製造装置ならびに希土類合金焼結体の製造方法
JP4703987B2 (ja) * 2004-08-23 2011-06-15 日産自動車株式会社 希土類磁石用合金薄帯、その製造方法、および希土類磁石用合金
BRPI0506147B1 (pt) * 2004-10-19 2020-10-13 Shin-Etsu Chemical Co., Ltd método para preparar um material de ímã permanente de terra rara
US7959769B2 (en) 2004-12-08 2011-06-14 Infinite Power Solutions, Inc. Deposition of LiCoO2
KR101127370B1 (ko) 2004-12-08 2012-03-29 인피니트 파워 솔루션스, 인크. ＬｉＣｏＯ２의 증착
TWI413136B (zh) * 2005-03-23 2013-10-21 Shinetsu Chemical Co 稀土族永久磁體
MY141999A (en) * 2005-03-23 2010-08-16 Shinetsu Chemical Co Functionally graded rare earth permanent magnet
TWI364765B (en) * 2005-03-23 2012-05-21 Shinetsu Chemical Co Rare earth permanent magnet
MY142131A (en) * 2005-03-23 2010-09-30 Shinetsu Chemical Co Functionally graded rare earth permanent magnet
US20090129966A1 (en) * 2005-03-24 2009-05-21 Hitachi Metals, Ltd. Iron-based rare-earth-containing nanocomposite magnet and process for producing the same
CN100461308C (zh) * 2005-05-22 2009-02-11 横店集团东磁有限公司 一种超高矫顽力烧结钕铁硼磁性材料及其制备方法
US7838133B2 (en) 2005-09-02 2010-11-23 Springworks, Llc Deposition of perovskite and other compound ceramic films for dielectric applications
JP4656323B2 (ja) * 2006-04-14 2011-03-23 信越化学工業株式会社 希土類永久磁石材料の製造方法
US7955443B2 (en) * 2006-04-14 2011-06-07 Shin-Etsu Chemical Co., Ltd. Method for preparing rare earth permanent magnet material
WO2008024744A2 (en) * 2006-08-21 2008-02-28 Jay Vandelden Adaptive golf ball
CN101523571A (zh) 2006-09-29 2009-09-02 无穷动力解决方案股份有限公司 柔性基板上沉积的电池层的掩模和材料限制
US8197781B2 (en) 2006-11-07 2012-06-12 Infinite Power Solutions, Inc. Sputtering target of Li3PO4 and method for producing same
JP4840606B2 (ja) * 2006-11-17 2011-12-21 信越化学工業株式会社 希土類永久磁石の製造方法
JP5582784B2 (ja) * 2007-02-12 2014-09-03 ヴァキュームシュメルツェ ゲーエムベーハー ウント コンパニー カーゲー 磁気熱交換用構造体及びその製造方法
JP2010516042A (ja) 2007-02-12 2010-05-13 ヴァキュームシュメルツェ ゲーエムベーハー ウント コンパニー カーゲー 磁気熱交換用構造体及びその製造方法
CN100465323C (zh) * 2007-07-13 2009-03-04 上海大学 一种纳米晶复合永磁合金及其制备方法
CN101903560B (zh) 2007-12-21 2014-08-06 无穷动力解决方案股份有限公司 用于电解质膜的溅射靶的方法
US8268488B2 (en) 2007-12-21 2012-09-18 Infinite Power Solutions, Inc. Thin film electrolyte for thin film batteries
JP2010525291A (ja) 2007-12-27 2010-07-22 ヴァキュームシュメルツェ ゲーエムベーハー ウント コンパニー カーゲー 磁気熱量活性物質を有する複合構造体及びその製造方法
US8518581B2 (en) 2008-01-11 2013-08-27 Inifinite Power Solutions, Inc. Thin film encapsulation for thin film batteries and other devices
WO2009124191A2 (en) 2008-04-02 2009-10-08 Infinite Power Solutions, Inc. Passive over/under voltage control and protection for energy storage devices associated with energy harvesting
JP2012500610A (ja) 2008-08-11 2012-01-05 インフィニット パワー ソリューションズ， インコーポレイテッド 電磁エネルギー獲得ための統合コレクタ表面を有するエネルギーデバイスおよびその方法
CN102150185B (zh) 2008-09-12 2014-05-28 无穷动力解决方案股份有限公司 具有经由电磁能进行数据通信的组成导电表面的能量装置及其方法
GB2463931B (en) 2008-10-01 2011-01-12 Vacuumschmelze Gmbh & Co Kg Method for producing a magnetic article
KR101233462B1 (ko) 2008-10-01 2013-02-14 바쿰슈멜체 게엠베하 운트 코. 카게 적어도 하나의 자기열량적 활성상을 포함하는 물품 및 적어도 하나의 자기열량적 활성상을 포함하는 물품의 가공 방법
WO2010042594A1 (en) 2008-10-08 2010-04-15 Infinite Power Solutions, Inc. Environmentally-powered wireless sensor module
GB2475985B (en) 2009-05-06 2012-03-21 Vacuumschmelze Gmbh & Co Kg Article for magnetic heat exchange and method of fabricating an article for magnetic heat exchange
CN102576828B (zh) 2009-09-01 2016-04-20 萨普拉斯特研究有限责任公司 具有集成薄膜电池的印刷电路板
EP2577777B1 (en) 2010-06-07 2016-12-28 Sapurast Research LLC Rechargeable, high-density electrochemical device
GB2482880B (en) 2010-08-18 2014-01-29 Vacuumschmelze Gmbh & Co Kg An article for magnetic heat exchange and a method of fabricating a working component for magnetic heat exchange
US20150010426A1 (en) * 2012-02-02 2015-01-08 Chuo Denki Kogyo Co., Ltd. R-T-B-Ga-BASED MAGNET MATERIAL ALLOY AND METHOD OF PRODUCING THE SAME
CN103805825B (zh) * 2012-11-08 2016-04-06 沈阳中北真空科技有限公司 稀土永磁合金真空感应熔炼速凝设备
KR101683439B1 (ko) * 2014-01-28 2016-12-08 한국생산기술연구원 희토류를 함유하는 영구자석 분말 및 이의 제조 방법
CN103996476B (zh) * 2014-05-19 2017-03-29 上海大学 一种稀土永磁合金快淬条带的制备方法
CN104039122A (zh) * 2014-06-25 2014-09-10 北京大学 具有间隙原子调制特性的电磁波吸收材料及其制备方法
CN106910585B (zh) * 2015-12-22 2019-02-26 比亚迪股份有限公司 一种钕铁硼永磁材料及其制备方法和电机
CN110753978B (zh) * 2017-05-19 2021-09-28 罗伯特·博世有限公司 热变形磁体以及制备所述热变形磁体的方法
CN107686947A (zh) * 2017-09-15 2018-02-13 安徽信息工程学院 一种用于永磁材料的合金及其制备方法
CN107520454A (zh) * 2017-09-30 2017-12-29 重庆赛迪热工环保工程技术有限公司 一种金属制粒系统及方法
WO2020022955A1 (en) * 2018-07-27 2020-01-30 Neo Performance Materials (Singapore) Alloys, magnetic materials, bonded magnets and methods for producing the same
CN116600917B (zh) * 2020-12-08 2026-04-14 丹麦科技大学 用于粉末冶金法的粉末制造
CN117382203B (zh) * 2023-08-30 2024-04-30 昆山晨鼎嘉电子科技有限公司 一种配合点胶机使用的吸塑盒调节机构

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720737A (en) 1971-08-10 1973-03-13 Atomization Syst Inc Method of centrifugal atomization
US4078873A (en) 1976-01-30 1978-03-14 United Technologies Corporation Apparatus for producing metal powder
US4210471A (en) 1976-02-10 1980-07-01 Tdk Electronics, Co., Ltd. Permanent magnet material and process for producing the same
US4213803A (en) 1976-08-31 1980-07-22 Tdk Electronics Company Limited R2 Co17 Rare type-earth-cobalt, permanent magnet material and process for producing the same
JPS5438259A (en) * 1977-08-31 1979-03-22 Nippon Steel Corp Preparation of long flat iron powder from molten steel utilizing cetrifugal force
US4140462A (en) 1977-12-21 1979-02-20 United Technologies Corporation Cooling means for molten metal rotary atomization means
US4207040A (en) 1977-12-21 1980-06-10 United Technologies Corporation Rotary atomization means for the production of metal powder
US4375440A (en) 1979-06-20 1983-03-01 United Technologies Corporation Splat cooling of liquid metal droplets
US4284394A (en) 1980-09-19 1981-08-18 United Technologies Corporation Gas manifold for particle quenching
US4310292A (en) 1980-12-29 1982-01-12 United Technologies Corporation High speed rotary atomization means for making powdered metal
US4496395A (en) 1981-06-16 1985-01-29 General Motors Corporation High coercivity rare earth-iron 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
US4456444A (en) 1982-12-27 1984-06-26 Patterson Ii Robert J Modified RSR rotary atomizer
US4419061A (en) 1982-12-27 1983-12-06 United Technologies Corporation Multi-piece rotary atomizer disk
US4419060A (en) 1983-03-14 1983-12-06 Dow Corning Corporation Apparatus for rapidly freezing molten metals and metalloids in particulate form
US4902361A (en) 1983-05-09 1990-02-20 General Motors Corporation Bonded rare earth-iron magnets
US4601875A (en) 1983-05-25 1986-07-22 Sumitomo Special Metals Co., Ltd. Process for producing magnetic materials
JPH0750646B2 (ja) * 1984-03-10 1995-05-31 住友特殊金属株式会社 希土類・ボロン・鉄系磁気異方性永久磁石用合金粉末
US4585473A (en) 1984-04-09 1986-04-29 Crucible Materials Corporation Method for making rare-earth element containing permanent magnets
US4619845A (en) 1985-02-22 1986-10-28 The United States Of America As Represented By The Secretary Of The Navy Method for generating fine sprays of molten metal for spray coating and powder making
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
DE3779481T2 (de) 1986-04-15 1992-12-24 Tdk Corp Dauermagnet und verfahren zu seiner herstellung.
JPS62291904A (ja) 1986-06-12 1987-12-18 Namiki Precision Jewel Co Ltd 永久磁石の製造方法
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
JPH01103805A (ja) 1987-07-30 1989-04-20 Tdk Corp 永久磁石
US4919732A (en) 1988-07-25 1990-04-24 Kubota Ltd. Iron-neodymium-boron permanent magnet alloys which contain dispersed phases and have been prepared using a rapid solidification process
JPH0268904A (ja) * 1988-09-05 1990-03-08 Kobe Steel Ltd 希土類−Ｆｅ−Ｂ系ボンド磁石用合金粉末の製造方法
JPH0270011A (ja) * 1988-09-06 1990-03-08 Tdk Corp 永久磁石材料の製造方法
JPH02288305A (ja) 1989-04-28 1990-11-28 Nippon Steel Corp 希土類磁石及びその製造方法
US4994109A (en) 1989-05-05 1991-02-19 Crucible Materials Corporation Method for producing permanent magnet alloy particles for use in producing bonded permanent magnets
JPH0359332U (https=) * 1989-10-14 1991-06-11
JP3121824B2 (ja) 1990-02-14 2001-01-09 ティーディーケイ株式会社 焼結永久磁石
JP2774372B2 (ja) * 1990-09-20 1998-07-09 三菱製鋼株式会社 永久磁石粉末
US5125574A (en) 1990-10-09 1992-06-30 Iowa State University Research Foundation Atomizing nozzle and process
US5242508A (en) 1990-10-09 1993-09-07 Iowa State University Research Foundation, Inc. Method of making permanent magnets
US5240513A (en) 1990-10-09 1993-08-31 Iowa State University Research Foundation, Inc. Method of making bonded or sintered permanent magnets
EP0504391A4 (en) 1990-10-09 1993-05-26 Iowa State University Research Foundation, Inc. Environmentally stable reactive alloy powders and method of making same
US5228620A (en) 1990-10-09 1993-07-20 Iowa State University Research Foundtion, Inc. Atomizing nozzle and process
JP3502107B2 (ja) 1991-08-29 2004-03-02 Ｔｄｋ株式会社 永久磁石材料の製造方法
US5302182A (en) * 1991-09-05 1994-04-12 Technalum Research, Inc. Method of preparing particles with a controlled narrow distribution
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
JP3932143B2 (ja) 1992-02-21 2007-06-20 Ｔｄｋ株式会社 磁石の製造方法
US5259861A (en) 1992-03-05 1993-11-09 National Science Council Method for producing rapidly-solidified flake-like metal powder
JP3248942B2 (ja) 1992-03-24 2002-01-21 ティーディーケイ株式会社 冷却ロール、永久磁石材料の製造方法、永久磁石材料および永久磁石材料粉末
JPH05211102A (ja) * 1992-10-15 1993-08-20 Daido Steel Co Ltd 永久磁石用粉末および永久磁石
JP2868963B2 (ja) * 1992-10-19 1999-03-10 住友特殊金属株式会社 永久磁石材料、ボンド磁石用原料、ボンド磁石用原料粉末及びボンド磁石の製造方法
EP1073069A1 (en) 1993-11-02 2001-01-31 TDK Corporation Preparation of permanent magnet
JPH07210856A (ja) 1994-01-19 1995-08-11 Tdk Corp 磁気記録媒体
US5486240A (en) 1994-04-25 1996-01-23 Iowa State University Research Foundation, Inc. Carbide/nitride grain refined rare earth-iron-boron permanent magnet and method of making
JPH0892609A (ja) * 1994-09-28 1996-04-09 Masumoto Takeshi 金属粉末の製造方法
US5858123A (en) * 1995-07-12 1999-01-12 Hitachi Metals, Ltd. Rare earth permanent magnet and method for producing the same

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CN1180443C (zh) 2004-12-15
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US6302939B1 (en) 2001-10-16
WO2000045397A1 (en) 2000-08-03
DE10083996T1 (de) 2002-03-07

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