DE68927460T2 - Gesinterter seltenerdelement-b-fe-magnet und verfahren zur herstellung - Google Patents

Gesinterter seltenerdelement-b-fe-magnet und verfahren zur herstellung

Info

Publication number
DE68927460T2
DE68927460T2 DE68927460T DE68927460T DE68927460T2 DE 68927460 T2 DE68927460 T2 DE 68927460T2 DE 68927460 T DE68927460 T DE 68927460T DE 68927460 T DE68927460 T DE 68927460T DE 68927460 T2 DE68927460 T2 DE 68927460T2
Authority
DE
Germany
Prior art keywords
magnet
production
rare earth
earth element
sintered 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 - Fee Related
Application number
DE68927460T
Other languages
English (en)
Other versions
DE68927460D1 (de
Inventor
Takuo Takeshita
Muneaki Watanabe
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.)
Diamet Corp
Original Assignee
Mitsubishi Materials 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
Priority claimed from JP63136732A external-priority patent/JP2581161B2/ja
Priority claimed from JP63176786A external-priority patent/JP2581179B2/ja
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Application granted granted Critical
Publication of DE68927460D1 publication Critical patent/DE68927460D1/de
Publication of DE68927460T2 publication Critical patent/DE68927460T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01F1/0577—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 sintered
    • 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
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • 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
DE68927460T 1988-06-03 1989-05-15 Gesinterter seltenerdelement-b-fe-magnet und verfahren zur herstellung Expired - Fee Related DE68927460T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63136732A JP2581161B2 (ja) 1988-06-03 1988-06-03 耐食性に優れた希土類−Ｂ−Ｆｅ系焼結磁石の製造法
JP63176786A JP2581179B2 (ja) 1988-07-15 1988-07-15 耐食性に優れた希土類−Ｂ−Ｆｅ系焼結磁石の製造法
PCT/JP1989/000491 WO1989012113A1 (en) 1988-06-03 1989-05-15 SINTERED RARE EARTH ELEMENT-B-Fe-MAGNET AND PROCESS FOR ITS PRODUCTION

Publications (2)

Publication Number Publication Date
DE68927460D1 DE68927460D1 (de) 1996-12-19
DE68927460T2 true DE68927460T2 (de) 1997-04-10

Family

ID=26470238

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927460T Expired - Fee Related DE68927460T2 (de) 1988-06-03 1989-05-15 Gesinterter seltenerdelement-b-fe-magnet und verfahren zur herstellung

Country Status (4)

Country Link
US (1) US5147447A (de)
EP (1) EP0389626B1 (de)
DE (1) DE68927460T2 (de)
WO (1) WO1989012113A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010012760A1 (de) 2010-03-25 2011-09-29 Schaeffler Technologies Gmbh & Co. Kg Wälzkörper
DE102010019953A1 (de) 2010-05-08 2011-11-10 Schaeffler Technologies Gmbh & Co. Kg Wälzkörper

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT393177B (de) * 1989-04-28 1991-08-26 Boehler Gmbh Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben
AT393178B (de) * 1989-10-25 1991-08-26 Boehler Gmbh Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben
DE4007533C1 (de) * 1990-03-09 1991-08-29 Magnetfabrik Schramberg Gmbh & Co, 7230 Schramberg, De
AT398861B (de) * 1991-02-11 1995-02-27 Boehler Ybbstalwerke Gesinterter permanentmagnet(-werkstoff) sowie verfahren zu dessen herstellung
US5454998A (en) * 1994-02-04 1995-10-03 Ybm Technologies, Inc. Method for producing permanent magnet
US5621369A (en) * 1995-09-18 1997-04-15 Gardner; Harris L. Flexible magnet
RU2118007C1 (ru) * 1997-05-28 1998-08-20 Товарищество с ограниченной ответственностью "Диполь-М" Материал для постоянных магнитов
US6511552B1 (en) * 1998-03-23 2003-01-28 Sumitomo Special Metals Co., Ltd. Permanent magnets and R-TM-B based permanent magnets
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making
CN102242342B (zh) 2005-03-18 2014-10-01 株式会社爱发科 成膜方法和成膜装置以及永磁铁和永磁铁的制造方法
JP5284394B2 (ja) * 2011-03-10 2013-09-11 株式会社豊田中央研究所 希土類磁石およびその製造方法
JP5472236B2 (ja) * 2011-08-23 2014-04-16 トヨタ自動車株式会社 希土類磁石の製造方法、及び希土類磁石
JP6255977B2 (ja) * 2013-03-28 2018-01-10 Tdk株式会社 希土類磁石
RU2767131C1 (ru) * 2021-03-18 2022-03-16 Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук (ИМЕТ РАН) Способ изготовления спеченных редкоземельных магнитов из вторичного сырья

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128603A (ja) * 1983-12-15 1985-07-09 Hitachi Metals Ltd 複合組織を有する永久磁石
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
US4762574A (en) * 1985-06-14 1988-08-09 Union Oil Company Of California Rare earth-iron-boron premanent magnets
JPS62133040A (ja) * 1985-12-05 1987-06-16 Shin Etsu Chem Co Ltd 希土類永久磁石の製造方法
JPS62134907A (ja) * 1985-12-09 1987-06-18 Hitachi Metals Ltd Ｒ−Ｂ−Ｆｅ系焼結磁石およびその製造方法
JPS62141705A (ja) * 1985-12-16 1987-06-25 Hitachi Metals Ltd Ｒ−Ｂ−Ｆｅ系焼結磁石およびその製造方法
JPH0660367B2 (ja) * 1986-01-29 1994-08-10 大同特殊鋼株式会社 永久磁石材料の製造方法
DE3779481T2 (de) * 1986-04-15 1992-12-24 Tdk Corp Dauermagnet und verfahren zu seiner herstellung.
JPS62284002A (ja) * 1986-05-02 1987-12-09 Tohoku Metal Ind Ltd 希土類磁石合金粉末の製造方法
AU609669B2 (en) * 1986-10-13 1991-05-02 N.V. Philips Gloeilampenfabrieken Method of manufacturing a permanent magnet
DE3637521A1 (de) * 1986-11-04 1988-05-11 Schramberg Magnetfab Permanentmagnet und verfahren zu seiner herstellung
JP2948223B2 (ja) * 1987-03-31 1999-09-13 住友特殊金属 株式会社 耐食性のすぐれた高性能永久磁石及びその製造方法
DE3740157A1 (de) * 1987-11-26 1989-06-08 Max Planck Gesellschaft Sintermagnet auf basis von fe-nd-b
JPH06274054A (ja) * 1993-03-24 1994-09-30 Canon Inc 定着装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010012760A1 (de) 2010-03-25 2011-09-29 Schaeffler Technologies Gmbh & Co. Kg Wälzkörper
DE102010019953A1 (de) 2010-05-08 2011-11-10 Schaeffler Technologies Gmbh & Co. Kg Wälzkörper

Also Published As

Publication number Publication date
US5147447A (en) 1992-09-15
EP0389626A4 (en) 1991-07-31
WO1989012113A1 (en) 1989-12-14
DE68927460D1 (de) 1996-12-19
EP0389626A1 (de) 1990-10-03
EP0389626B1 (de) 1996-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITSUBISHI MATERIALS PMG CORP., NIIGATA, JP

8328 Change in the person/name/address of the agent

Representative=s name: MAIWALD PATENTANWALTS GMBH, 40221 DUESSELDORF

8328 Change in the person/name/address of the agent

Representative=s name: MICHALSKI HUETTERMANN & PARTNER PATENTANWAELTE, 40

8339 Ceased/non-payment of the annual fee