DE69210563T2 - Verfahren zur Herstellung von magnetischem Pulver aus Seltenerdmetalle - Google Patents

Verfahren zur Herstellung von magnetischem Pulver aus Seltenerdmetalle

Info

Publication number
DE69210563T2
DE69210563T2 DE69210563T DE69210563T DE69210563T2 DE 69210563 T2 DE69210563 T2 DE 69210563T2 DE 69210563 T DE69210563 T DE 69210563T DE 69210563 T DE69210563 T DE 69210563T DE 69210563 T2 DE69210563 T2 DE 69210563T2
Authority
DE
Germany
Prior art keywords
production
rare earth
magnetic powder
earth metals
metals
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 - Fee Related
Application number
DE69210563T
Other languages
English (en)
Other versions
DE69210563D1 (de
Inventor
Ryoji Nakayama
Takuo Takeshita
Yoshinari Ishii
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.)
Mitsubishi Materials 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
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Publication of DE69210563D1 publication Critical patent/DE69210563D1/de
Application granted granted Critical
Publication of DE69210563T2 publication Critical patent/DE69210563T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
DE69210563T 1991-12-10 1992-12-08 Verfahren zur Herstellung von magnetischem Pulver aus Seltenerdmetalle Expired - Fee Related DE69210563T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3349934A JPH05163510A (ja) 1991-12-10 1991-12-10 希土類磁石合金粉末の製造法

Publications (2)

Publication Number Publication Date
DE69210563D1 DE69210563D1 (de) 1996-06-13
DE69210563T2 true DE69210563T2 (de) 1996-11-28

Family

ID=18407098

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69210563T Expired - Fee Related DE69210563T2 (de) 1991-12-10 1992-12-08 Verfahren zur Herstellung von magnetischem Pulver aus Seltenerdmetalle

Country Status (6)

Country Link
US (1) US5417773A (de)
EP (1) EP0546799B1 (de)
JP (1) JPH05163510A (de)
KR (1) KR930012157A (de)
CN (1) CN1033623C (de)
DE (1) DE69210563T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633582B1 (de) * 1992-12-28 1998-02-25 Aichi Steel Works, Ltd. Seltenerd magnetpulver und herstellungsverfahren
JPH07106110A (ja) * 1993-10-06 1995-04-21 Yasunori Takahashi ボンド磁石製造用粉末組成物、磁気異方性永久磁石及び磁気異方性永久磁石の製造法
GB2316541B (en) * 1994-06-09 1998-11-18 Chipscale Inc Resistor fabrication
CN1059367C (zh) * 1995-03-20 2000-12-13 中国核动力研究设计院 氢化法生产锆和锆－2合金粉末的制备工艺
GB2310432B (en) * 1996-02-23 1998-05-27 Aichi Steel Works Ltd Production method production apparatus and heat treatment apparatus for anisotropic magnet powder
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
CN1060700C (zh) * 1996-11-26 2001-01-17 宁波科宁达工业有限公司 低温破碎稀土永磁合金锭的方法
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
US6403024B1 (en) * 1999-02-19 2002-06-11 Sumitomo Special Metals Co., Ltd. Hydrogen pulverizer for rare-earth alloy magnetic material powder using the pulverizer, and method for producing magnet using the pulverizer
US6444052B1 (en) 1999-10-13 2002-09-03 Aichi Steel Corporation Production method of anisotropic rare earth magnet powder
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
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
KR101166662B1 (ko) * 2009-07-31 2012-07-18 히타치 긴조쿠 가부시키가이샤 희토류계 자석용 원료 합금의 수소 분쇄가루의 회수방법 및 회수장치
CN102189264A (zh) * 2010-03-18 2011-09-21 Tdk株式会社 稀土合金粉末的制造方法、稀土合金粉末和永磁体
CN102294471A (zh) * 2010-06-24 2011-12-28 曹水秀 Nd-Fe-B永磁体的制造方法
KR101269408B1 (ko) * 2012-10-10 2013-05-30 한국기계연구원 수소방출및재결합단계를 포함하는 희토류-철-보론계 희토류자성분말의 제조방법
KR101382234B1 (ko) * 2013-03-15 2014-04-10 한국기계연구원 에이치디디알공법 중 수소방출및재결합단계 제어방법 및 수소방출및재결합단계를 실시하여 제조된 희토류-철-보론계 희토류자성분말
CN105723480B (zh) 2013-06-17 2018-07-17 城市矿业科技有限责任公司 磁铁再生以产生磁性性能改善或恢复的Nd-Fe-B磁铁
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0304054B1 (de) * 1987-08-19 1994-06-08 Mitsubishi Materials Corporation Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren
EP0411571B1 (de) * 1989-07-31 1994-06-01 Mitsubishi Materials Corporation Seltenerdpulver für Dauermagnet, Herstellungsverfahren und Verbundmagnet

Also Published As

Publication number Publication date
CN1033623C (zh) 1996-12-25
JPH05163510A (ja) 1993-06-29
EP0546799A1 (de) 1993-06-16
US5417773A (en) 1995-05-23
DE69210563D1 (de) 1996-06-13
EP0546799B1 (de) 1996-05-08
CN1073384A (zh) 1993-06-23
KR930012157A (ko) 1993-07-20

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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