DE69011042T2 - Faseriger anisotrope Dauermagnet und Herstellungsverfahren. - Google Patents

Faseriger anisotrope Dauermagnet und Herstellungsverfahren.

Info

Publication number
DE69011042T2
DE69011042T2 DE69011042T DE69011042T DE69011042T2 DE 69011042 T2 DE69011042 T2 DE 69011042T2 DE 69011042 T DE69011042 T DE 69011042T DE 69011042 T DE69011042 T DE 69011042T DE 69011042 T2 DE69011042 T2 DE 69011042T2
Authority
DE
Germany
Prior art keywords
permanent magnet
manufacturing process
anisotropic permanent
fibrous anisotropic
fibrous
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
DE69011042T
Other languages
English (en)
Other versions
DE69011042D1 (de
Inventor
Shuji Ueno
Michiaki Hagiware
Kiyoshi Isoishi
Ryoji Mishima
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 Kasei Corp
Unitika Ltd
Original Assignee
Mitsubishi Kasei Corp
Unitika 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 Mitsubishi Kasei Corp, Unitika Ltd filed Critical Mitsubishi Kasei Corp
Publication of DE69011042D1 publication Critical patent/DE69011042D1/de
Application granted granted Critical
Publication of DE69011042T2 publication Critical patent/DE69011042T2/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
    • 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
    • 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
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/062—Fibrous 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/08—Metallic powder characterised by particles having an amorphous microstructure
    • 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
    • B22F9/02—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
    • B22F2009/0804—Dispersion in or on liquid, other than with sieves
    • B22F2009/0812—Pulverisation with a moving liquid coolant stream, by centrifugally rotating stream
    • 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
    • B22F9/082—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 atomising using a fluid
    • B22F2009/086—Cooling after atomisation
    • B22F2009/0864—Cooling after atomisation by oil, other non-aqueous fluid or fluid-bed cooling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Continuous Casting (AREA)
DE69011042T 1989-11-07 1990-11-07 Faseriger anisotrope Dauermagnet und Herstellungsverfahren. Expired - Fee Related DE69011042T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1289446A JPH03149804A (ja) 1989-11-07 1989-11-07 繊維状異方性永久磁石及びその製造方法

Publications (2)

Publication Number Publication Date
DE69011042D1 DE69011042D1 (de) 1994-09-01
DE69011042T2 true DE69011042T2 (de) 1995-01-12

Family

ID=17743370

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011042T Expired - Fee Related DE69011042T2 (de) 1989-11-07 1990-11-07 Faseriger anisotrope Dauermagnet und Herstellungsverfahren.

Country Status (4)

Country Link
US (1) US5135585A (de)
EP (1) EP0427227B1 (de)
JP (1) JPH03149804A (de)
DE (1) DE69011042T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108389672A (zh) * 2017-12-27 2018-08-10 宁波招宝磁业有限公司 碳纤维增强钕铁硼磁体及其制备方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007157864A (ja) * 2005-12-02 2007-06-21 Mitsubishi Electric Corp 希土類−鉄−ボロン系磁石用合金およびその製造方法、その製造装置
CN102110507B (zh) * 2010-12-16 2012-10-17 麦格昆磁（天津）有限公司 一种超细颗粒的钕铁硼磁粉
CN103182309A (zh) * 2011-12-30 2013-07-03 深圳自由能能源科技有限公司 提高发动机燃油能效的方法及其所用催化物和催化器
DE102014215318A1 (de) * 2014-08-04 2016-02-04 Siemens Aktiengesellschaft Anisotrop weichmagnetisches Komposit-Material mit hoher Anisotropie der Permeabilität zur Unterdrückung von Querfluss und dessen Herstellung
CN105033204B (zh) * 2015-06-30 2017-08-08 厦门钨业股份有限公司 一种用于烧结磁体的急冷合金片
CN109594023B (zh) * 2018-12-18 2020-09-11 宁波铄腾新材料有限公司 一种短流程Ce-Fe基烧结永磁体及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4844754A (en) * 1983-08-04 1989-07-04 General Motors Corporation Iron-rare earth-boron permanent magnets by hot working
JPS62239855A (ja) * 1986-04-10 1987-10-20 Shinko Electric Co Ltd リニアパルスモ−タにおけるスリツト板の製造方法
EP0260746A1 (de) * 1986-09-17 1988-03-23 Koninklijke Philips Electronics N.V. Verfahren zur Herstellung von Spänen aus magnetischem Material mit Vorzugsrichtung der Kristallite, Späne und Magnete, die daraus hergestellt sind
JPS63244704A (ja) * 1987-03-31 1988-10-12 Seiko Epson Corp 希土類−鉄系樹脂結合型磁石の製造方法
US4842656A (en) * 1987-06-12 1989-06-27 General Motors Corporation Anisotropic neodymium-iron-boron powder with high coercivity
JPH01180757A (ja) * 1987-12-28 1989-07-18 Toyobo Co Ltd 繊維状硬質磁性材料

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108389672A (zh) * 2017-12-27 2018-08-10 宁波招宝磁业有限公司 碳纤维增强钕铁硼磁体及其制备方法

Also Published As

Publication number Publication date
EP0427227B1 (de) 1994-07-27
DE69011042D1 (de) 1994-09-01
US5135585A (en) 1992-08-04
JPH03149804A (ja) 1991-06-26
EP0427227A2 (de) 1991-05-15
EP0427227A3 (en) 1992-03-04

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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