JP3047239B2 - 温間加工磁石及びその製造方法 - Google Patents

温間加工磁石及びその製造方法

Info

Publication number
JP3047239B2
JP3047239B2 JP1094493A JP9449389A JP3047239B2 JP 3047239 B2 JP3047239 B2 JP 3047239B2 JP 1094493 A JP1094493 A JP 1094493A JP 9449389 A JP9449389 A JP 9449389A JP 3047239 B2 JP3047239 B2 JP 3047239B2
Authority
JP
Japan
Prior art keywords
glass
warm
graphite
magnet
flake
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
JP1094493A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02272703A (ja
Inventor
克典 岩崎
茂穂 谷川
雅亮 徳永
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.)
Hitachi Metals 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
Priority to JP1094493A priority Critical patent/JP3047239B2/ja
Priority to DE1989617906 priority patent/DE68917906T2/de
Priority to EP19890119269 priority patent/EP0392077B1/de
Publication of JPH02272703A publication Critical patent/JPH02272703A/ja
Application granted granted Critical
Publication of JP3047239B2 publication Critical patent/JP3047239B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • B22F3/14Both compacting and sintering simultaneously
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0575Alloys 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
    • H01F1/0576Alloys 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)
JP1094493A 1989-04-14 1989-04-14 温間加工磁石及びその製造方法 Expired - Lifetime JP3047239B2 (ja)

Priority Applications (3)

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
DE1989617906 DE68917906T2 (de) 1989-04-14 1989-10-17 Heissverformte anisotrope Magnete und deren Herstellung.
EP19890119269 EP0392077B1 (de) 1989-04-14 1989-10-17 Heissverformte anisotrope Magnete und deren Herstellung

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
JPH02272703A JPH02272703A (ja) 1990-11-07
JP3047239B2 true JP3047239B2 (ja) 2000-05-29

Family

ID=14111825

Family Applications (1)

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

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
AU9020991A (en) * 1990-11-12 1992-06-11 Fileco Antiviral use of a 2,6-di-t-butylphenol compound substituted in position 4, particularly in relation to herpesviruses and papillomaviruses
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
ATE156743T1 (de) * 1993-01-22 1997-08-15 Magnaflex Systems Limited 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.
EP0249973B1 (de) * 1986-06-16 1991-11-06 Tokin Corporation 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
EP0392077A3 (de) 1991-06-26
DE68917906D1 (de) 1994-10-06
EP0392077B1 (de) 1994-08-31
EP0392077A2 (de) 1990-10-17
JPH02272703A (ja) 1990-11-07
DE68917906T2 (de) 1995-01-05

Similar Documents

Publication Publication Date Title
US4952239A (en) Magnetically anisotropic bond magnet, magnetic powder for the magnet and manufacturing method of the powder
EP2043114B1 (de) R-fe-b-mikrokristalliner magnet von hoher dichte und herstellungsverfahren dafür
CN112136192B (zh) 稀土烧结永磁体的制造方法
CN108417334B (zh) R-t-b系烧结磁铁
CN107530772B (zh) 磁制冷模块、烧结体以及磁制冷模块的制造方法
CN101370606B (zh) 稀土类烧结磁体及其制造方法
CN112119475B (zh) 稀土烧结永磁体的制造方法
JP3047239B2 (ja) 温間加工磁石及びその製造方法
US5026419A (en) Magnetically anisotropic hotworked magnet and method of producing same
JP3135120B2 (ja) 温間加工磁石の製造方法
US4952251A (en) Magnetically anisotropic hotworked magnet and method of producing same
US5098486A (en) Magnetically anisotropic hotworked magnet and method of producing same
KR102261143B1 (ko) 희토류 영구자석의 제조방법
US20220130580A1 (en) Rare earth magnet and method for producing thereof
JP4506973B2 (ja) 希土類焼結磁石の製造方法、焼結磁石用原料合金粉の粉砕方法
JP2823076B2 (ja) 温間加工磁石
US5395458A (en) Method to enhance the thermomechanical properties of hot-formed magnets and magnets formed thereby
KR20240092866A (ko) 이방성 희토류 벌크자석의 제조방법
JPH01239901A (ja) 希土類磁石とその製造方法
TW202130832A (zh) R-Fe-B系燒結磁石
JPH03295202A (ja) 温間加工磁石及びその製造方法
JP2005283268A (ja) 粉体評価方法、希土類焼結磁石及びその製造方法
JPH02285603A (ja) 温間加工磁石およびその製造方法
JP2005136355A (ja) 希土類焼結磁石の製造方法
JPH02262303A (ja) ボンド型永久磁石の製造方法

Legal Events

Date Code Title Description
S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080324

Year of fee payment: 8

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080324

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090324

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100324

Year of fee payment: 10

EXPY Cancellation because of completion of term
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100324

Year of fee payment: 10