BR8403875A - Processo para produzir um ima permanente por trabalho a quente e ima permanente - Google Patents

Processo para produzir um ima permanente por trabalho a quente e ima permanente

Info

Publication number
BR8403875A
BR8403875A BR8403875A BR8403875A BR8403875A BR 8403875 A BR8403875 A BR 8403875A BR 8403875 A BR8403875 A BR 8403875A BR 8403875 A BR8403875 A BR 8403875A BR 8403875 A BR8403875 A BR 8403875A
Authority
BR
Brazil
Prior art keywords
ima
permanent
produce
hot work
hot
Prior art date
Application number
BR8403875A
Other languages
English (en)
Portuguese (pt)
Inventor
Robert Weir Lee
Original Assignee
Gen Motors 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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of BR8403875A publication Critical patent/BR8403875A/pt

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
    • 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
    • H01F1/0576—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 pressed, e.g. hot working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
BR8403875A 1983-08-04 1984-08-03 Processo para produzir um ima permanente por trabalho a quente e ima permanente BR8403875A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52017083A 1983-08-04 1983-08-04

Publications (1)

Publication Number Publication Date
BR8403875A true BR8403875A (pt) 1985-07-09

Family

ID=24071457

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8403875A BR8403875A (pt) 1983-08-04 1984-08-03 Processo para produzir um ima permanente por trabalho a quente e ima permanente

Country Status (8)

Country Link
EP (1) EP0133758B1 (es)
JP (1) JPS60100402A (es)
AU (1) AU574697B2 (es)
BR (1) BR8403875A (es)
CA (1) CA1236381A (es)
DE (1) DE3483226D1 (es)
ES (1) ES534879A0 (es)
MX (1) MX167658B (es)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
JPS60228652A (ja) * 1984-04-24 1985-11-13 Nippon Gakki Seizo Kk 希土類磁石およびその製法
US5529854A (en) * 1984-09-12 1996-06-25 Seiko Epson Corporation Magneto-optic recording systems
US5100741A (en) * 1984-09-12 1992-03-31 Seiko Epson Corporation Magneto-optic recording systems
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
JPS62276803A (ja) * 1985-08-13 1987-12-01 Seiko Epson Corp 希土類−鉄系永久磁石
FR2586323B1 (fr) * 1985-08-13 1992-11-13 Seiko Epson Corp Aimant permanent a base de terres rares-fer
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
DE3682048D1 (de) * 1986-01-10 1991-11-21 Ovonic Synthetic Materials Permanentmagnetische legierung.
CA1269029A (en) * 1986-01-29 1990-05-15 Peter Vernia Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy
JP2530641B2 (ja) * 1986-03-20 1996-09-04 日立金属株式会社 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法
JP2546989B2 (ja) * 1986-04-30 1996-10-23 株式会社 トーキン 耐酸化性に優れた永久磁石
JP2546988B2 (ja) * 1986-04-30 1996-10-23 株式会社 トーキン 耐酸化性に優れた永久磁石
JP2546990B2 (ja) * 1986-04-30 1996-10-23 株式会社 トーキン 耐酸化性に優れた永久磁石
JP2611221B2 (ja) * 1986-05-01 1997-05-21 セイコーエプソン株式会社 永久磁石の製造方法
FR2598949B1 (fr) * 1986-05-23 1989-08-04 Centre Nat Rech Scient Procede pour la preparation de cristaux finement divises a partir d'un alliage metallique, notamment pour la preparation d'aimants permanents
IT1206056B (it) * 1986-06-20 1989-04-05 Seiko Epson Corp Procedimento per la preparazione di magneti permanenti e prodotto ottenuto
US4778542A (en) * 1986-07-15 1988-10-18 General Motors Corporation High energy ball milling method for making rare earth-transition metal-boron permanent magnets
EP0261292B1 (en) * 1986-07-28 1992-06-10 Crucible Materials Corporation Method of producing fully dense permanent magnet alloy article
JP2731150B2 (ja) * 1986-10-14 1998-03-25 日立金属株式会社 磁気異方性ボンド磁石、それに用いる磁気異方性磁粉およびその製造方法、ならびに磁気異方性圧粉磁石
JPS63152110A (ja) * 1986-12-17 1988-06-24 Daido Steel Co Ltd 永久磁石の製造方法
KR900006533B1 (ko) * 1987-01-06 1990-09-07 히다찌 긴조꾸 가부시끼가이샤 이방성 자성분말과 이의 자석 및 이의 제조방법
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
US5186761A (en) * 1987-04-30 1993-02-16 Seiko Epson Corporation Magnetic alloy and method of production
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
DE3750367T2 (de) * 1987-04-30 1994-12-08 Seiko Epson Corp Dauermagnet und sein Herstellungsverfahren.
US4842656A (en) * 1987-06-12 1989-06-27 General Motors Corporation Anisotropic neodymium-iron-boron powder with high coercivity
JPH01257308A (ja) * 1987-09-09 1989-10-13 Hitachi Metals Ltd ボイスコイルモーター用磁石
JPH07105301B2 (ja) * 1987-09-10 1995-11-13 日立金属株式会社 磁気異方性Ｎｄ―Ｆｅ―Ｂ磁石材の製法
JPS6472502A (en) * 1987-09-11 1989-03-17 Hitachi Metals Ltd Permanent magnet for accelerating particle beam
JPH01115106A (ja) * 1987-10-28 1989-05-08 Matsushita Electric Ind Co Ltd 希土類磁石の製造法
JPH01115104A (ja) * 1987-10-28 1989-05-08 Matsushita Electric Ind Co Ltd 希土類磁石の製造法
JPH01115105A (ja) * 1987-10-28 1989-05-08 Matsushita Electric Ind Co Ltd 希土類磁石の製造法
JPH01139738A (ja) * 1987-11-27 1989-06-01 Hitachi Metals Ltd 磁気異方性磁石材料の製造方法及びその装置
JP2558760B2 (ja) * 1987-12-08 1996-11-27 松下電器産業株式会社 異方性永久磁石
JPH01208813A (ja) * 1988-02-17 1989-08-22 Matsushita Electric Ind Co Ltd 希土類磁石の製造方法
US4985085A (en) * 1988-02-23 1991-01-15 Eastman Kodak Company Method of making anisotropic magnets
US4892596A (en) * 1988-02-23 1990-01-09 Eastman Kodak Company Method of making fully dense anisotropic high energy magnets
US5000796A (en) * 1988-02-23 1991-03-19 Eastman Kodak Company Anisotropic high energy magnets and a process of preparing the same
EP0331286A3 (en) * 1988-03-03 1989-11-02 General Motors Corporation Rapid compaction of rare earth-transition metal alloys in a fluid-filled die
US4859410A (en) * 1988-03-24 1989-08-22 General Motors Corporation Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically aligned material
US4867809A (en) * 1988-04-28 1989-09-19 General Motors Corporation Method for making flakes of RE-Fe-B type magnetically aligned material
JPH01297807A (ja) * 1988-05-26 1989-11-30 Daido Steel Co Ltd 永久磁石の製造方法
IE891581A1 (en) * 1988-06-20 1991-01-02 Seiko Epson Corp Permanent magnet and a manufacturing method thereof
JP3061808B2 (ja) * 1988-09-22 2000-07-10 松下電器産業株式会社 Ｆｅ−Ｂ−Ｒ系永久磁石の製造方法
DE68911502T2 (de) * 1988-06-21 1994-06-30 Matsushita Electric Ind Co Ltd Verfahren zur herstellung eines dauermagnetes.
US4919732A (en) * 1988-07-25 1990-04-24 Kubota Ltd. Iron-neodymium-boron permanent magnet alloys which contain dispersed phases and have been prepared using a rapid solidification process
US4895607A (en) * 1988-07-25 1990-01-23 Kubota, Ltd. Iron-neodymium-boron permanent magnet alloys prepared by consolidation of amorphous powders
JP2623731B2 (ja) * 1988-07-29 1997-06-25 三菱マテリアル株式会社 希土類―Ｆｅ―Ｂ系異方性永久磁石の製造法
US4920009A (en) * 1988-08-05 1990-04-24 General Motors Corporation Method for producing laminated bodies comprising an RE-FE-B type magnetic layer and a metal backing layer
US4881985A (en) * 1988-08-05 1989-11-21 General Motors Corporation Method for producing anisotropic RE-FE-B type magnetically aligned material
JPH0257662A (ja) * 1988-08-23 1990-02-27 M G:Kk ボンド磁石用急冷薄帯合金
JP3037699B2 (ja) * 1988-09-30 2000-04-24 日立金属株式会社 耐割れ性及び配向性を改善した温間加工磁石ならびにその製造方法
EP0369097B1 (en) * 1988-11-14 1994-06-15 Asahi Kasei Kogyo Kabushiki Kaisha Magnetic materials containing rare earth element iron nitrogen and hydrogen
JPH02133519A (ja) * 1988-11-15 1990-05-22 Seiko Electronic Components Ltd 希土類，ボロン，鉄系磁石の製造方法
JPH02247304A (ja) * 1989-03-17 1990-10-03 Nippon Steel Corp Ｎｄ合金注湯用ノズル
US5098486A (en) * 1989-05-23 1992-03-24 Hitachi Metals, Ltd. Magnetically anisotropic hotworked magnet and method of producing same
US5026419A (en) * 1989-05-23 1991-06-25 Hitachi Metals, Ltd. Magnetically anisotropic hotworked magnet and method of producing same
US4952251A (en) * 1989-05-23 1990-08-28 Hitachi Metals, Ltd. Magnetically anisotropic hotworked magnet and method of producing same
JPH0344904A (ja) * 1989-07-12 1991-02-26 Matsushita Electric Ind Co Ltd 希土類・鉄系永久磁石の製造方法
JP2596835B2 (ja) * 1989-08-04 1997-04-02 新日本製鐵株式会社 希土類系異方性粉末および希土類系異方性磁石
US5201963A (en) * 1989-10-26 1993-04-13 Nippon Steel Corporation Rare earth magnets and method of producing same
JPH03241705A (ja) * 1989-11-14 1991-10-28 Hitachi Metals Ltd 磁気異方性磁石及びその製造方法
JP2780429B2 (ja) * 1990-03-30 1998-07-30 松下電器産業株式会社 希土類―鉄系磁石の製造方法
US5178691A (en) * 1990-05-29 1993-01-12 Matsushita Electric Industrial Co., Ltd. Process for producing a rare earth element-iron anisotropic magnet
JP2010222601A (ja) * 2009-03-19 2010-10-07 Honda Motor Co Ltd 希土類永久磁石およびその製造方法
JP2012023190A (ja) * 2010-07-14 2012-02-02 Toyota Motor Corp 異方性希土類磁石の製造方法
JP5413383B2 (ja) * 2011-02-23 2014-02-12 トヨタ自動車株式会社 希土類磁石の製造方法
JP6221978B2 (ja) * 2014-07-25 2017-11-01 トヨタ自動車株式会社 希土類磁石の製造方法
JP6447395B2 (ja) * 2015-07-09 2019-01-09 トヨタ自動車株式会社 鍛造加工方法
US10460871B2 (en) 2015-10-30 2019-10-29 GM Global Technology Operations LLC Method for fabricating non-planar magnet
CN108242305B (zh) * 2016-12-27 2020-03-27 有研稀土新材料股份有限公司 稀土永磁材料及其制备方法
CN108428541B (zh) * 2017-02-14 2020-05-22 中国科学院宁波材料技术与工程研究所 一种超细晶高性能各向异性钕铁硼永磁体的制备方法
JP7021035B2 (ja) 2018-09-18 2022-02-16 株式会社東芝 永久磁石、回転電機、及び車

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CH525547A (de) * 1970-12-21 1972-07-15 Bbc Brown Boveri & Cie Verfahren zur Herstellung von Feinpartikel-Dauermagneten
US4358419A (en) * 1980-11-12 1982-11-09 The United States Of America As Represented By The United States Department Of Energy Method of making amorphous metal composites
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
JPS58123853A (ja) * 1982-01-18 1983-07-23 Fujitsu Ltd 希土類−鉄系永久磁石およびその製造方法
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
EP0108474B2 (en) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B alloys, method for their production and permanent magnets containing such alloys
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
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
AU572120B2 (en) * 1983-06-24 1988-05-05 General Motors Corporation High energy product rare earth transition metal magnet alloys

Also Published As

Publication number Publication date
MX167658B (es) 1993-04-01
JPH0420242B2 (es) 1992-04-02
ES8507289A1 (es) 1985-08-16
AU3096284A (en) 1985-02-07
DE3483226D1 (de) 1990-10-25
EP0133758A3 (en) 1987-05-20
EP0133758B1 (en) 1990-09-19
AU574697B2 (en) 1988-07-14
CA1236381A (en) 1988-05-10
EP0133758A2 (en) 1985-03-06
JPS60100402A (ja) 1985-06-04
ES534879A0 (es) 1985-08-16

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 03/08/99