DE68917906T2 - Heissverformte anisotrope Magnete und deren Herstellung. - Google Patents

Heissverformte anisotrope Magnete und deren Herstellung.

Info

Publication number
DE68917906T2
DE68917906T2 DE1989617906 DE68917906T DE68917906T2 DE 68917906 T2 DE68917906 T2 DE 68917906T2 DE 1989617906 DE1989617906 DE 1989617906 DE 68917906 T DE68917906 T DE 68917906T DE 68917906 T2 DE68917906 T2 DE 68917906T2
Authority
DE
Germany
Prior art keywords
hot
manufacture
anisotropic magnets
formed anisotropic
magnets
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
DE1989617906
Other languages
English (en)
Other versions
DE68917906D1 (de
Inventor
Katsunori Iwasaki
Shigeho Tanigawa
Masaaki Tokunaga
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Application granted granted Critical
Publication of DE68917906D1 publication Critical patent/DE68917906D1/de
Publication of DE68917906T2 publication Critical patent/DE68917906T2/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
    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE1989617906 1989-04-14 1989-10-17 Heissverformte anisotrope Magnete und deren Herstellung. Expired - Fee Related DE68917906T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1094493A JP3047239B2 (ja) 1989-04-14 1989-04-14 温間加工磁石及びその製造方法

Publications (2)

Publication Number Publication Date
DE68917906D1 DE68917906D1 (de) 1994-10-06
DE68917906T2 true DE68917906T2 (de) 1995-01-05

Family

ID=14111825

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989617906 Expired - Fee Related DE68917906T2 (de) 1989-04-14 1989-10-17 Heissverformte anisotrope Magnete und deren Herstellung.

Country Status (3)

Country Link
EP (1) EP0392077B1 (de)
JP (1) JP3047239B2 (de)
DE (1) DE68917906T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5147473A (en) † 1989-08-25 1992-09-15 Dowa Mining Co., Ltd. Permanent magnet alloy having improved resistance to oxidation and process for production thereof
EP0557404B1 (de) * 1990-11-12 1996-05-15 Fileco Antivirale verwendung einer in position-4 substituierten 2,6-di-t-butylphenolverbindung, besonders gegen herpes- und papillomaviren
JP3120503B2 (ja) * 1991-10-18 2000-12-25 山陽特殊製鋼株式会社 異方性粉末の製造方法
DE69404869T2 (de) * 1993-01-22 1997-12-18 Magnaflex Systems Ltd Rotierende Stanzvorrichtung
JP6451529B2 (ja) * 2015-07-07 2019-01-16 トヨタ自動車株式会社 高周波誘導加熱方法
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53127707A (en) * 1977-04-13 1978-11-08 Nippon Gakki Seizo Kk Production of laminated type head core
CA1271394A (en) * 1985-02-25 1990-07-10 Karen S. Canavan Enhanced remanence permanent magnetic alloy and bodies thereof and method of preparing same
DE3789829T2 (de) * 1986-06-06 1994-09-01 Seiko Instr Inc Seltene Erden-Eisenmagnet und Herstellungsverfahren.
DE3774333D1 (de) * 1986-06-16 1991-12-12 Tokin Corp Dauermagnet-material und verfahren zur herstellung.
AT386554B (de) * 1986-08-04 1988-09-12 Treibacher Chemische Werke Ag Verfahren zur herstellung korrosionsbestaendiger, hartmagnetischer pulver fuer die magneterzeugung, magnete aus hartmagnetischem pulver und verfahren zu deren herstellung
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
JPS6398105A (ja) * 1986-10-15 1988-04-28 Mitsubishi Metal Corp 金属炭化物分散型Ｆｅ基焼結合金製永久磁石
US4780226A (en) * 1987-08-03 1988-10-25 General Motors Corporation Lubrication for hot working rare earth-transition metal alloys

Also Published As

Publication number Publication date
JP3047239B2 (ja) 2000-05-29
EP0392077A3 (de) 1991-06-26
EP0392077A2 (de) 1990-10-17
DE68917906D1 (de) 1994-10-06
JPH02272703A (ja) 1990-11-07
EP0392077B1 (de) 1994-08-31

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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