FR2586323B1 - Aimant permanent a base de terres rares-fer - Google Patents

Aimant permanent a base de terres rares-fer

Info

Publication number
FR2586323B1
FR2586323B1 FR8610076A FR8610076A FR2586323B1 FR 2586323 B1 FR2586323 B1 FR 2586323B1 FR 8610076 A FR8610076 A FR 8610076A FR 8610076 A FR8610076 A FR 8610076A FR 2586323 B1 FR2586323 B1 FR 2586323B1
Authority
FR
France
Prior art keywords
permanent magnet
rare earth
iron permanent
iron
rare
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
FR8610076A
Other languages
English (en)
Other versions
FR2586323A1 (fr
Inventor
Koji Akioka
Tatsuya Shimoda
Toshiyuki Ishibashi
Ryuichi Ozaki
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of FR2586323A1 publication Critical patent/FR2586323A1/fr
Application granted granted Critical
Publication of FR2586323B1 publication Critical patent/FR2586323B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • 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
    • 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
    • C22C1/02—Making non-ferrous alloys by melting
    • 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
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Hard Magnetic Materials (AREA)
FR8610076A 1985-08-13 1986-07-10 Aimant permanent a base de terres rares-fer Expired - Lifetime FR2586323B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP17811385 1985-08-13
JP2543786 1986-02-07
JP2950186 1986-02-13

Publications (2)

Publication Number Publication Date
FR2586323A1 FR2586323A1 (fr) 1987-02-20
FR2586323B1 true FR2586323B1 (fr) 1992-11-13

Family

ID=27285016

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8610076A Expired - Lifetime FR2586323B1 (fr) 1985-08-13 1986-07-10 Aimant permanent a base de terres rares-fer

Country Status (2)

Country Link
DE (1) DE3626406C2 (fr)
FR (1) FR2586323B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
IT1206056B (it) * 1986-06-20 1989-04-05 Seiko Epson Corp Procedimento per la preparazione di magneti permanenti e prodotto ottenuto
EP0302947B1 (fr) * 1987-03-02 1994-06-08 Seiko Epson Corporation Aimant a base de fer-elements de terres rares et procede de production
KR930002559B1 (ko) * 1987-04-30 1993-04-03 세이꼬 엡슨 가부시끼가이샤 영구자석 및 그 제조방법
ATE109921T1 (de) * 1987-04-30 1994-08-15 Seiko Epson Corp Dauermagnet und sein herstellungsverfahren.
US5460662A (en) * 1987-04-30 1995-10-24 Seiko Epson Corporation Permanent magnet and method of production
EP0599815B1 (fr) * 1987-04-30 1998-01-07 Seiko Epson Corporation Alliage magnétique et procédé de fabrication
IE891581A1 (en) * 1988-06-20 1991-01-02 Seiko Epson Corp Permanent magnet and a manufacturing method thereof
DE102016220654B4 (de) 2015-10-30 2023-09-28 GM Global Technology Operations LLC Verfahren zur herstellung eines nicht-planaren magneten
CN106548843A (zh) * 2016-10-17 2017-03-29 中国科学院宁波材料技术与工程研究所 稀土永磁材料及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (fr) * 1982-08-21 1993-04-20 Masato Sagawa Materiaux magnetiques et aimants permanents
EP0108474B2 (fr) * 1982-09-03 1995-06-21 General Motors Corporation Alliages de RE-TM-B, procédé de production et aimants permanents contenant tels alliages
DE3379084D1 (en) * 1982-09-27 1989-03-02 Sumitomo Spec Metals Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth)
JPS6032306A (ja) * 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
CA1236381A (fr) * 1983-08-04 1988-05-10 Robert W. Lee Aimants permanents a base de fer, terre rare et bore, ouvres a chaud
JPS6034005A (ja) * 1983-08-04 1985-02-21 Sumitomo Special Metals Co Ltd 永久磁石
EP0144112B1 (fr) * 1983-10-26 1989-09-27 General Motors Corporation Alliages magnétiques à produit d'énergie élevé à base de terres rares, métaux de transition et bor

Also Published As

Publication number Publication date
FR2586323A1 (fr) 1987-02-20
DE3626406C2 (de) 1996-05-02
DE3626406A1 (de) 1987-02-26

Similar Documents

Publication Publication Date Title
EP0204289A3 (en) Permanent magnet rotor
GB2217924B (en) Permanent magnet rotor
IT8667405A0 (it) Gruppo alternatore compressore eccitato da un magnete permanente con comando a corrente continua
EP0215129A4 (fr) Assemblage de rotor de champ a aimant permanent.
DE3587977D1 (de) Dauermagnete.
DE3875183D1 (de) Dauermagnete.
EP0341630A3 (en) Permanent magnet type synchronous motor
GB8307188D0 (en) Permanent magnet rotor
IT8621277A0 (it) Apparecchiatura magnetopermanente di ancoraggio.
DE3669964D1 (de) Ausrichtungsvorrichtung fuer dauermagnetmotoren.
EP0344018A3 (en) Rare earth permanent magnet
IL80912A0 (en) Dual permanent magnet generator
DE3760962D1 (en) A rare earth-based permanent magnet
DE3676403D1 (de) Dauermagnet.
FR2586323B1 (fr) Aimant permanent a base de terres rares-fer
BR9000661A (pt) Armadura de magneto
GB2174863B (en) Permanent magnet biased magnetostrictive transducer
HK106897A (en) A rare-earth permanent magnet
IT8421903A0 (it) Motore rotativo a magneti permanenti.
KR880700895A (ko) 동기성 영구 자석 기기
FR2588427B1 (fr) Inducteur a aimants permanents pour moteur electrique, agrafe elastique pour un tel inducteur et moteur electrique comprenant un tel inducteur
KR880015450U (ko) 영구자석 회전자
GB2118375B (en) Permanent magnet stepping motor
DK414485D0 (da) Magnetlaas
IT1247715B (it) Statore di magneto generatore