DE3782285D1 - Verfahren zur herstellung einer neodym-eisen-bor-dauermagnetlegierung. - Google Patents

Verfahren zur herstellung einer neodym-eisen-bor-dauermagnetlegierung.

Info

Publication number
DE3782285D1
DE3782285D1 DE8787110478T DE3782285T DE3782285D1 DE 3782285 D1 DE3782285 D1 DE 3782285D1 DE 8787110478 T DE8787110478 T DE 8787110478T DE 3782285 T DE3782285 T DE 3782285T DE 3782285 D1 DE3782285 D1 DE 3782285D1
Authority
DE
Germany
Prior art keywords
neodym
bor
iron
producing
permanent magnetic
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
DE8787110478T
Other languages
English (en)
Other versions
DE3782285T2 (de
Inventor
Masaaki Tokunaga
Kimio Uchida
Akitoshi Hiraki
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.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Application granted granted Critical
Publication of DE3782285D1 publication Critical patent/DE3782285D1/de
Publication of DE3782285T2 publication Critical patent/DE3782285T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • 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
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE8787110478T 1986-07-21 1987-07-20 Verfahren zur herstellung einer neodym-eisen-bor-dauermagnetlegierung. Expired - Fee Related DE3782285T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17130486 1986-07-21
JP25728586 1986-10-29

Publications (2)

Publication Number Publication Date
DE3782285D1 true DE3782285D1 (de) 1992-11-26
DE3782285T2 DE3782285T2 (de) 1993-04-01

Family

ID=26494073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787110478T Expired - Fee Related DE3782285T2 (de) 1986-07-21 1987-07-20 Verfahren zur herstellung einer neodym-eisen-bor-dauermagnetlegierung.

Country Status (5)

Country Link
US (1) US4837109A (de)
EP (1) EP0254251B1 (de)
KR (1) KR900006193B1 (de)
CN (1) CN87105177A (de)
DE (1) DE3782285T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238797A (en) * 1989-12-08 1991-06-12 Philips Electronic Associated Manufacture of rare-earth materials and permanent magnets
US5314526A (en) * 1990-12-06 1994-05-24 General Motors Corporation Metallothermic reduction of rare earth fluorides
KR100218231B1 (ko) * 1991-03-04 1999-09-01 야스이 기치지 초콜렛 및 초콜렛 이용 식품
FR2743456B1 (fr) * 1996-01-04 1998-02-06 Thomson Csf Moteur electrique de type synchrone a aimants permanents et vehicule comportant un tel moteur
US5690889A (en) * 1996-02-15 1997-11-25 Iowa State University Research Foundation, Inc. Production method for making rare earth compounds
US6159308A (en) * 1997-12-12 2000-12-12 Hitachi Metals, Ltd. Rare earth permanent magnet and production method thereof
US6377049B1 (en) 1999-02-12 2002-04-23 General Electric Company Residuum rare earth magnet
US6120620A (en) * 1999-02-12 2000-09-19 General Electric Company Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making
US20030070606A1 (en) * 2001-10-05 2003-04-17 Leblond Nicolas Preparation of feedstock of alkaline earth and alkali metal fluorides
US7682265B2 (en) 2006-08-21 2010-03-23 Vandelden Jay Adaptive golf ball
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
WO2012011946A2 (en) 2010-07-20 2012-01-26 Iowa State University Research Foundation, Inc. Method for producing la/ce/mm/y base alloys, resulting alloys, and battery electrodes
ES2643509T3 (es) * 2012-09-21 2017-11-23 Höganäs Ab (Publ) Método para el uso de una nueva composición de polvo de hierro
CN103898400B (zh) * 2012-12-31 2016-08-10 比亚迪股份有限公司 一种回收钕铁硼磁性材料的方法
KR101354138B1 (ko) * 2013-07-30 2014-01-27 한국기계연구원 네오디뮴-철-붕소계 합금 분말의 제조방법
DE102014009848A1 (de) * 2014-07-02 2016-01-07 Hörmann KG Brockhagen Tor
KR102100759B1 (ko) 2016-11-08 2020-04-14 주식회사 엘지화학 금속 분말의 제조 방법 및 금속 분말
KR102092327B1 (ko) 2017-11-28 2020-03-23 주식회사 엘지화학 자석 분말의 제조 방법 및 자석 분말
CN108933010B (zh) * 2018-06-28 2020-06-30 宁波招宝磁业有限公司 一种高矫顽力钕铁硼磁体的制备方法
CN114891953B (zh) * 2022-03-31 2024-03-08 包头市英思特稀磁新材料股份有限公司 一种提高烧结钕铁硼出材率的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR489155A (fr) * 1917-04-19 1918-12-28 Maurice Duburguet Préparation des métaux des terres rares
AT329884B (de) * 1973-07-19 1976-06-10 Treibacher Chemische Werke Ag Verfahren zur herstellung von lanthan-, cer-,praseodym- und neodym-metall und -legierungen derselben sowie von mischmetallen
JPS59177346A (ja) * 1983-03-25 1984-10-08 Sumitomo Special Metals Co Ltd 希土類磁石素材用配合合金
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS59215460A (ja) * 1983-05-21 1984-12-05 Sumitomo Special Metals Co Ltd 永久磁石材料の製造方法
JPS59219404A (ja) * 1983-05-27 1984-12-10 Sumitomo Special Metals Co Ltd 希土類・鉄・ボロン系永久磁石用合金粉末の製造方法
FR2551769B2 (fr) * 1983-07-05 1990-02-02 Rhone Poulenc Spec Chim Alliages de neodyme et leur procede de fabrication
ATE36560T1 (de) * 1984-07-03 1988-09-15 Gen Motors Corp Metallothermische reduktion seltener erdoxide mittels kalzium.
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
CA1273231A (en) * 1984-12-10 1990-08-28 Kalathur S.V.L. Narasimhan Permanent magnet alloy
JPH06184340A (ja) * 1992-10-15 1994-07-05 Toho Chem Ind Co Ltd 硬質ウレタンフォームの製造方法

Also Published As

Publication number Publication date
EP0254251A2 (de) 1988-01-27
EP0254251B1 (de) 1992-10-21
KR900006193B1 (ko) 1990-08-25
KR880002200A (ko) 1988-04-29
EP0254251A3 (en) 1989-01-25
DE3782285T2 (de) 1993-04-01
US4837109A (en) 1989-06-06
CN87105177A (zh) 1988-03-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee