DE3850001D1 - Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren. - Google Patents

Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren.

Info

Publication number
DE3850001D1
DE3850001D1 DE3850001T DE3850001T DE3850001D1 DE 3850001 D1 DE3850001 D1 DE 3850001D1 DE 3850001 T DE3850001 T DE 3850001T DE 3850001 T DE3850001 T DE 3850001T DE 3850001 D1 DE3850001 D1 DE 3850001D1
Authority
DE
Germany
Prior art keywords
manufacturing process
rare earth
iron boron
boron powder
earth iron
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
Application number
DE3850001T
Other languages
English (en)
Other versions
DE3850001T2 (de
Inventor
Takuo Takeshita
Ryoji Nakayama
Tamotsu Ogawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Diamet Corp
Original Assignee
Mitsubishi Materials 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
Priority claimed from JP63068954A external-priority patent/JPH0682575B2/ja
Priority claimed from JP63159758A external-priority patent/JPH0768561B2/ja
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Publication of DE3850001D1 publication Critical patent/DE3850001D1/de
Application granted granted Critical
Publication of DE3850001T2 publication Critical patent/DE3850001T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B22F9/023—Hydrogen absorption
    • 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
    • H01F1/0573—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
DE3850001T 1987-08-19 1988-08-18 Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren. Expired - Lifetime DE3850001T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP20594487 1987-08-19
JP23834187 1987-09-22
JP4630988 1988-02-29
JP63068954A JPH0682575B2 (ja) 1987-08-19 1988-03-23 希土類−Ｆｅ−Ｂ系合金磁石粉末
JP63159758A JPH0768561B2 (ja) 1987-09-22 1988-06-28 希土類−Ｆｅ−Ｂ系合金磁石粉末の製造法

Publications (2)

Publication Number Publication Date
DE3850001D1 true DE3850001D1 (de) 1994-07-14
DE3850001T2 DE3850001T2 (de) 1994-11-03

Family

ID=27522535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850001T Expired - Lifetime DE3850001T2 (de) 1987-08-19 1988-08-18 Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren.

Country Status (4)

Country Link
US (2) US4981532A (de)
EP (1) EP0304054B1 (de)
CN (1) CN1012477B (de)
DE (1) DE3850001T2 (de)

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US5201963A (en) * 1989-10-26 1993-04-13 Nippon Steel Corporation Rare earth magnets and method of producing same
JPH03194905A (ja) * 1989-12-22 1991-08-26 Ishihara Sangyo Kaisha Ltd 磁気記録用金属磁性粉末の製造方法
FR2664086A1 (fr) * 1990-07-02 1992-01-03 Centre Nat Rech Scient Procede perfectionne pour l'optimisation des proprietes magnetiques de materiaux magnetiques pulverulents et produits ainsi obtenus.
US5580396A (en) * 1990-07-02 1996-12-03 Centre National De La Recherche Scientifique (Cnrs) Treatment of pulverant magnetic materials and products thus obtained
FR2665295B1 (fr) * 1990-07-25 1994-09-16 Aimants Ugimag Sa Methode d'obtention sous forme divisee d'un materiau magnetique de type terre-rare - metaux de transition - bore pour des aimants resistant a la corrosion.
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
US5395462A (en) * 1991-01-28 1995-03-07 Mitsubishi Materials Corporation Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system magnet
DE69203405T3 (de) * 1991-01-28 2004-05-06 Mitsubishi Materials Corp. Anisotroper Seltenerd-Magnet.
JP3092672B2 (ja) * 1991-01-30 2000-09-25 三菱マテリアル株式会社 希土類−Ｆｅ−Ｃｏ−Ｂ系異方性磁石
US5127970A (en) * 1991-05-21 1992-07-07 Crucible Materials Corporation Method for producing rare earth magnet particles of improved coercivity
US5354040A (en) * 1991-11-28 1994-10-11 Mitsubishi Materials Corporation Apparatus for closed cycle hydrogenation recovery and rehydrogenation
JPH05163510A (ja) * 1991-12-10 1993-06-29 Mitsubishi Materials Corp 希土類磁石合金粉末の製造法
DE69318998T2 (de) * 1992-02-15 1998-10-15 Santoku Metal Ind Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagneten
US5387291A (en) * 1992-03-19 1995-02-07 Sumitomo Special Metals Co., Ltd. Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor
JPH05335120A (ja) * 1992-06-01 1993-12-17 Mitsubishi Materials Corp 異方性ボンド磁石製造用固体樹脂バインダー被覆磁石粉末およびその製造法
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JPH06151137A (ja) * 1992-11-13 1994-05-31 Mitsubishi Materials Corp 異方性に優れた希土類磁石材料粉末
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US5524836A (en) * 1993-02-12 1996-06-11 Board Of Control Of Michigan Technological University Method for producing powder from polycrystalline inorganic material
US5474623A (en) * 1993-05-28 1995-12-12 Rhone-Poulenc Inc. Magnetically anisotropic spherical powder and method of making same
ATE165477T1 (de) * 1993-07-06 1998-05-15 Sumitomo Spec Metals R-fe-b dauermagnetmaterialien und ihre herstellungsverfahren
US5454998A (en) * 1994-02-04 1995-10-03 Ybm Technologies, Inc. Method for producing permanent magnet
US5728355A (en) * 1995-09-27 1998-03-17 Santoku Metal Industry Co., Ltd. Method for recovering reusable rare earth compounds
US5851312A (en) * 1996-02-26 1998-12-22 Aichi Steel Works, Ltd. Production method, production apparatus and heat treatment apparatus for anisotropic magnet powder
JP2881409B2 (ja) * 1996-10-28 1999-04-12 愛知製鋼株式会社 異方性磁石粉末の製造方法
US5849109A (en) * 1997-03-10 1998-12-15 Mitsubishi Materials Corporation Methods of producing rare earth alloy magnet powder with superior magnetic anisotropy
US6332933B1 (en) 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
DE19751367C2 (de) * 1997-11-20 2002-06-27 Dresden Ev Inst Festkoerper Verfahren zur Herstellung eines hartmagnetischen, aus einer Samarium-Kobalt-Basis-Legierung bestehenden Pulvers
JP3120172B2 (ja) * 1997-12-22 2000-12-25 愛知製鋼株式会社 希土類系磁石粉末の製造装置
US6511552B1 (en) * 1998-03-23 2003-01-28 Sumitomo Special Metals Co., Ltd. Permanent magnets and R-TM-B based permanent magnets
CN1144240C (zh) 1998-03-27 2004-03-31 东芝株式会社 磁性材料
ATE354858T1 (de) 1998-07-13 2007-03-15 Santoku Corp Auf eisen-seltenerd-bor basierte leistungsfähige magnetische materialien
CN1171248C (zh) * 1999-09-09 2004-10-13 株式会社新王磁材 耐腐蚀的R-Fe-B粘结磁铁,用于模制R-Fe-B粘结磁铁的粉末,以及其制备方法
JP3452254B2 (ja) * 2000-09-20 2003-09-29 愛知製鋼株式会社 異方性磁石粉末の製造方法、異方性磁石粉末の原料粉末およびボンド磁石
US7007111B2 (en) * 2001-06-11 2006-02-28 Lsi Logic Corporation DMA port sharing bandwidth balancing logic
WO2003038845A1 (fr) 2001-10-31 2003-05-08 Sumitomo Special Metals Co., Ltd. Presse et procede de fabrication d'un aimant permanent
AU2002354227A1 (en) * 2001-12-19 2003-06-30 Neomax Co., Ltd. Rare earth element-iron-boron alloy, and magnetically anisotropic permanent magnet powder and method for production thereof
WO2003056583A1 (fr) 2001-12-26 2003-07-10 Sumitomo Special Metals Co., Ltd. Presse et procede de production d'aimant permanent
JP4389427B2 (ja) * 2002-02-05 2009-12-24 日立金属株式会社 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石
US6955729B2 (en) * 2002-04-09 2005-10-18 Aichi Steel Corporation Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet
JP3565513B2 (ja) * 2002-04-09 2004-09-15 愛知製鋼株式会社 ボンド磁石用合金、等方性磁石粉末および異方性磁石粉末とそれらの製造方法並びにボンド磁石
AU2002346235A1 (en) * 2002-06-28 2004-01-19 Aichi Steel Corporation Alloy for use in bonded magnet, isotropic magnet powder and anisotropic magnet powder and method for production thereof, and bonded magnet
US7014915B2 (en) * 2002-08-20 2006-03-21 The Boeing Company Controlled binary macrosegregated powder particles, their uses, and preparation methods therefor
DE10255604B4 (de) * 2002-11-28 2006-06-14 Vacuumschmelze Gmbh & Co. Kg Verfahren zum Herstellen eines anisotropen Magnetpulvers und eines gebundenen anisotropen Magneten daraus
US7371472B2 (en) * 2002-12-24 2008-05-13 Sagami Chemical Metal Co., Ltd. Permanent magnet ring
CN1333410C (zh) * 2003-01-16 2007-08-22 爱知制钢株式会社 各向异性磁铁粉末的制造方法
US7576341B2 (en) * 2004-12-08 2009-08-18 Samsung Electronics Co., Ltd. Lithography systems and methods for operating the same
US7955443B2 (en) * 2006-04-14 2011-06-07 Shin-Etsu Chemical Co., Ltd. Method for preparing rare earth permanent magnet material
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
CN101346780B (zh) * 2006-05-18 2012-02-08 日立金属株式会社 R-Fe-B系多孔质磁铁及其制造方法
JP4924615B2 (ja) * 2006-11-30 2012-04-25 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系微細結晶高密度磁石およびその製造方法
CN101359529B (zh) * 2007-07-30 2011-09-28 比亚迪股份有限公司 一种钕铁硼永磁体烧结前的脱气方法
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WO2011125587A1 (ja) * 2010-03-31 2011-10-13 日東電工株式会社 永久磁石及び永久磁石の製造方法
JP5303738B2 (ja) * 2010-07-27 2013-10-02 Ｔｄｋ株式会社 希土類焼結磁石
CN102386690A (zh) * 2010-09-03 2012-03-21 辛金龙 能增加磁场强度的磁性材料
WO2012090841A1 (ja) * 2010-12-28 2012-07-05 日立金属株式会社 極異方性配向を有する円弧状磁石、その製造方法、及びそれを製造するための金型
CN103650079B (zh) * 2011-06-30 2017-11-28 日立金属株式会社 制造除去了碳的R‑Fe‑B系永久磁石合金再生材料的方法
JP6119548B2 (ja) * 2012-10-17 2017-04-26 信越化学工業株式会社 希土類焼結磁石の製造方法
EP2975619A4 (de) * 2013-03-12 2016-03-09 Intermetallics Co Ltd Verfahren zur herstellung eines rfeb-sintermagneten und damit hergestellter rfeb-sintermagnet
JP5983872B2 (ja) * 2013-05-24 2016-09-06 トヨタ自動車株式会社 永久磁石原料粉末の製造方法、永久磁石の製造方法および永久磁石素材粉末の検査方法
EP3011573B1 (de) 2013-06-17 2020-06-10 Urban Mining Technology Company, LLC Magnetrezyklierung um nd-fe-b-magneten mit verbesserter oder restaurierter magnetischer leistung zu schaffen
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
CN105215372B (zh) * 2015-10-21 2017-08-29 龙岩紫荆创新研究院 一种3d打印用钕铁硼磁粉的制备
KR20230141898A (ko) * 2016-06-17 2023-10-10 카스턴 매뉴팩츄어링 코오포레이숀 자기 조정 가능 웨이팅 시스템을 갖는 골프 클럽 헤드
CN112424888A (zh) * 2018-07-19 2021-02-26 爱知制钢株式会社 稀土磁体粉末的制造方法
CN110148508A (zh) * 2019-04-28 2019-08-20 深圳市吉胜华力科技有限公司 一种稀土永磁材料
US11462344B2 (en) * 2019-07-30 2022-10-04 General Electric Company Method of heat-treating additively-manufactured ferromagnetic components
CN111029075B (zh) * 2019-12-31 2020-12-29 烟台首钢磁性材料股份有限公司 一种钕铁硼磁粉的制备方法
CN112453417A (zh) * 2020-12-07 2021-03-09 沈阳翼源盟电器有限公司 一种用直流电弧法制备Ho-Al纳米级合金颗粒的方法

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Also Published As

Publication number Publication date
CN1012477B (zh) 1991-05-01
US5110374A (en) 1992-05-05
EP0304054A2 (de) 1989-02-22
US4981532A (en) 1991-01-01
EP0304054B1 (de) 1994-06-08
DE3850001T2 (de) 1994-11-03
EP0304054A3 (en) 1990-07-25
CN1033018A (zh) 1989-05-24

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Legal Events

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8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITSUBISHI MATERIALS PMG CORP., NIIGATA, JP

8328 Change in the person/name/address of the agent

Representative=s name: MAIWALD PATENTANWALTS GMBH, 40221 DUESSELDORF

8328 Change in the person/name/address of the agent

Representative=s name: MICHALSKI HUETTERMANN & PARTNER PATENTANWAELTE, 40