DE69401772T2 - Verfahren zur Herstellung von Seltenerd-Eisen-Bor Magneten - Google Patents

Verfahren zur Herstellung von Seltenerd-Eisen-Bor Magneten

Info

Publication number
DE69401772T2
DE69401772T2 DE69401772T DE69401772T DE69401772T2 DE 69401772 T2 DE69401772 T2 DE 69401772T2 DE 69401772 T DE69401772 T DE 69401772T DE 69401772 T DE69401772 T DE 69401772T DE 69401772 T2 DE69401772 T2 DE 69401772T2
Authority
DE
Germany
Prior art keywords
rare earth
hydrogen
earth element
powder
boron
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
DE69401772T
Other languages
German (de)
English (en)
Other versions
DE69401772D1 (de
Inventor
Yasunori Takahashi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69401772D1 publication Critical patent/DE69401772D1/de
Application granted granted Critical
Publication of DE69401772T2 publication Critical patent/DE69401772T2/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
    • 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
    • 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
    • H01F1/0577—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 sintered
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/09—Mixtures of metallic powders
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/12—Metallic powder containing non-metallic particles
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • 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
    • H01F1/0572—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 with a protective layer
    • 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
    • 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
    • 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
    • B22F2202/00—Treatment under specific physical conditions
    • B22F2202/05—Use of magnetic field

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE69401772T 1994-01-12 1994-10-24 Verfahren zur Herstellung von Seltenerd-Eisen-Bor Magneten Expired - Fee Related DE69401772T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP06013080A JP3129593B2 (ja) 1994-01-12 1994-01-12 希土類・鉄・ボロン系燒結磁石又はボンド磁石の製造法

Publications (2)

Publication Number Publication Date
DE69401772D1 DE69401772D1 (de) 1997-03-27
DE69401772T2 true DE69401772T2 (de) 1997-09-11

Family

ID=11823196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69401772T Expired - Fee Related DE69401772T2 (de) 1994-01-12 1994-10-24 Verfahren zur Herstellung von Seltenerd-Eisen-Bor Magneten

Country Status (9)

Country Link
US (2) US5478409A (enExample)
EP (1) EP0663672B1 (enExample)
JP (1) JP3129593B2 (enExample)
KR (1) KR100390309B1 (enExample)
CN (1) CN1109627A (enExample)
AT (1) ATE149065T1 (enExample)
CA (1) CA2133671A1 (enExample)
DE (1) DE69401772T2 (enExample)
TW (1) TW252207B (enExample)

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JPH08203715A (ja) * 1995-01-30 1996-08-09 Takahashi Yoshiaki 永久磁石原料及びその製造法
US6007757A (en) * 1996-01-22 1999-12-28 Aichi Steel Works, Ltd. Method of producing an anisotropic bonded magnet
TW434589B (en) * 1996-07-17 2001-05-16 Sanei Kasei Co Ltd Raw material powder for modified permanent magnets and production method of the same
US5796018A (en) * 1997-01-29 1998-08-18 Procedyne Corp. Process for coating iron particles with phosphorus and forming compacted articles
US6261515B1 (en) 1999-03-01 2001-07-17 Guangzhi Ren Method for producing rare earth magnet having high magnetic properties
JP3801418B2 (ja) * 1999-05-14 2006-07-26 株式会社Ｎｅｏｍａｘ 表面処理方法
US6179894B1 (en) * 1999-11-29 2001-01-30 Delphi Technologies, Inc. Method of improving compressibility of a powder and articles formed thereby
JP2001275314A (ja) * 2000-03-24 2001-10-05 Seiko Precision Inc ロータ磁石およびモータおよびステッピングモータ
KR100379247B1 (ko) * 2000-09-06 2003-04-08 한국과학기술연구원 희토류계 영구자석의 제조방법
US6737451B1 (en) 2001-09-13 2004-05-18 Arnold Engineering Co., Ltd. Thermally stable, high temperature, samarium cobalt molding compound
US6817552B2 (en) * 2002-02-06 2004-11-16 Turfco Manufacturing, Inc. Broadcast spreading top dresser
JPWO2005040047A1 (ja) * 2003-10-27 2007-11-22 アクア・エナジー株式会社 還元水素水の製造方法とその製造装置
CN100400199C (zh) * 2004-03-31 2008-07-09 株式会社三德 稀土类烧结磁铁用合金铸片及其制造方法和稀土类烧结磁铁
CN102598168B (zh) * 2009-08-25 2015-06-17 捷通国际有限公司 通量集中器和制作磁通量集中器的方法
EP2827348B1 (en) * 2012-03-12 2022-01-26 Nitto Denko Corporation Rare earth permanent magnet and method for producing rare earth permanent magnet
JP5411957B2 (ja) * 2012-03-12 2014-02-12 日東電工株式会社 希土類永久磁石及び希土類永久磁石の製造方法
CN102764887A (zh) * 2012-08-02 2012-11-07 西安市嘉闻材料技术有限公司 一种由聚合物粘结的磁制冷复合材料的制备方法
GB2539008B (en) 2015-06-03 2020-02-12 Vacuumschmelze Gmbh & Co Kg Method of fabricating an article for magnetic heat exchange
GB2539010B (en) 2015-06-03 2019-12-18 Vacuumschmelze Gmbh & Co Kg Method of fabricating an article for magnetic heat exchange
CN111063535B (zh) * 2019-12-26 2021-10-15 深圳市艺感科技有限公司 一种生产一体成型电感用羰基铁粉防锈粉末的制备方法
CN114603142B (zh) * 2022-03-15 2023-03-24 哈尔滨理工大学 基于雀尾螳螂虾螯棒微观结构的晶粒定向仿生刀具的制备方法

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DE2625106C2 (de) * 1976-06-04 1982-03-11 Bayer Ag, 5090 Leverkusen Eisenoxidschwarz-Pigmente mit verbesserter Oxidationsbeständigkeit und Verfahren zu ihrer Herstellung
NL7900921A (nl) * 1979-02-06 1980-08-08 Philips Nv Thermomagnetische informatiedrager en optische geheu- geninrichting voorzien van een dergelijke informatie- drager.
JPS5914085B2 (ja) * 1980-10-16 1984-04-03 大日本インキ化学工業株式会社 強磁性金属粉末の製造方法
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS60240105A (ja) * 1984-05-14 1985-11-29 Shin Etsu Chem Co Ltd プラスチツク磁石組成物
JPS6134242A (ja) * 1984-07-23 1986-02-18 帝人株式会社 無撚無糊織物の製織方法
US4541877A (en) * 1984-09-25 1985-09-17 North Carolina State University Method of producing high performance permanent magnets
JPS6210278A (ja) * 1985-07-09 1987-01-19 Kawasaki Steel Corp 恒透磁率に優れた非晶質合金薄帯
JPS62173704A (ja) * 1986-01-27 1987-07-30 Hitachi Metals Ltd 永久磁石の製造方法
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JPH0372124A (ja) * 1989-08-11 1991-03-27 Hiroaki Hino 水洗便器内用水飛散防止剤

Also Published As

Publication number Publication date
ATE149065T1 (de) 1997-03-15
KR100390309B1 (ko) 2003-09-02
TW252207B (enExample) 1995-07-21
DE69401772D1 (de) 1997-03-27
CA2133671A1 (en) 1995-07-13
KR950024221A (ko) 1995-08-21
CN1109627A (zh) 1995-10-04
US5650021A (en) 1997-07-22
EP0663672A3 (enExample) 1995-08-09
JPH07235439A (ja) 1995-09-05
EP0663672B1 (en) 1997-02-19
EP0663672A2 (en) 1995-07-19
US5478409A (en) 1995-12-26
JP3129593B2 (ja) 2001-01-31

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