EP2348518A4 - Procédé de production d'aimant fritté aux terres rares et contenant de poudre pour production d'aimant fritté aux terres rares - Google Patents

Procédé de production d'aimant fritté aux terres rares et contenant de poudre pour production d'aimant fritté aux terres rares

Info

Publication number
EP2348518A4
EP2348518A4 EP09824563.2A EP09824563A EP2348518A4 EP 2348518 A4 EP2348518 A4 EP 2348518A4 EP 09824563 A EP09824563 A EP 09824563A EP 2348518 A4 EP2348518 A4 EP 2348518A4
Authority
EP
European Patent Office
Prior art keywords
rare earth
sintered magnet
earth sintered
powder container
production
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.)
Granted
Application number
EP09824563.2A
Other languages
German (de)
English (en)
Other versions
EP2348518A1 (fr
EP2348518B1 (fr
Inventor
Masato Sagawa
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.)
Intermetallics Co Ltd
Original Assignee
Intermetallics Co 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 Intermetallics Co Ltd filed Critical Intermetallics Co Ltd
Publication of EP2348518A1 publication Critical patent/EP2348518A1/fr
Publication of EP2348518A4 publication Critical patent/EP2348518A4/fr
Application granted granted Critical
Publication of EP2348518B1 publication Critical patent/EP2348518B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • B22F2005/103—Cavity made by removal of insert
    • 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
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
EP09824563.2A 2008-11-06 2009-10-29 Procédé de production d'aimant fritté aux terres rares Not-in-force EP2348518B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008285007 2008-11-06
PCT/JP2009/005726 WO2010052862A1 (fr) 2008-11-06 2009-10-29 Procédé de production d'aimant fritté aux terres rares et contenant de poudre pour production d'aimant fritté aux terres rares

Publications (3)

Publication Number Publication Date
EP2348518A1 EP2348518A1 (fr) 2011-07-27
EP2348518A4 true EP2348518A4 (fr) 2015-02-25
EP2348518B1 EP2348518B1 (fr) 2016-08-24

Family

ID=42152675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09824563.2A Not-in-force EP2348518B1 (fr) 2008-11-06 2009-10-29 Procédé de production d'aimant fritté aux terres rares

Country Status (5)

Country Link
US (1) US20110250087A1 (fr)
EP (1) EP2348518B1 (fr)
JP (1) JP5690141B2 (fr)
CN (2) CN105355415A (fr)
WO (1) WO2010052862A1 (fr)

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FR2959027B1 (fr) 2010-04-15 2014-05-16 Commissariat Energie Atomique Procede de lithographie electronique avec correction de fins de lignes par insertion de motifs de contraste
JP5895425B2 (ja) * 2010-09-29 2016-03-30 日立金属株式会社 カップリング装置およびカップリング装置の製造方法
JP5696626B2 (ja) * 2011-09-07 2015-04-08 株式会社デンソー マイクロチャネル熱交換器の製造方法
US9468972B2 (en) * 2011-09-30 2016-10-18 Gm Global Technology Operations, Llc Method of making Nd—Fe—B sintered magnets with reduced dysprosium or terbium
JP5708581B2 (ja) * 2012-07-09 2015-04-30 トヨタ自動車株式会社 割断形成永久磁石及びその製造方法
JP6457166B2 (ja) * 2013-01-25 2019-01-23 アイチエレック株式会社 永久磁石電動機
JP6239825B2 (ja) * 2013-01-25 2017-11-29 アイチエレック株式会社 永久磁石および永久磁石製造方法
CN105051844A (zh) * 2013-03-18 2015-11-11 因太金属株式会社 RFeB系烧结磁铁制造方法和RFeB系烧结磁铁
EP2977999A4 (fr) * 2013-03-18 2016-03-16 Intermetallics Co Ltd PROCÉDÉ DE PRODUCTION D'AIMANTS À BASE DE RFeB ET AIMANTS FRITTÉS À BASE DE RFeB
WO2015012412A1 (fr) * 2013-07-24 2015-01-29 Ｎｄｆｅｂ株式会社 Procédé de production d'aimant fritté aux terres rares et moule de frittage pour aimant fritté aux terres rares
KR101534706B1 (ko) * 2013-12-18 2015-07-07 현대자동차 주식회사 매입형 영구자석 동기모터
JP6337616B2 (ja) * 2014-05-28 2018-06-06 大同特殊鋼株式会社 焼結磁石製造用モールド及び焼結磁石製造方法
US10629345B2 (en) * 2014-09-28 2020-04-21 Ndfeb Corporation Production method of rare earth sintered magnet and production device used in the production method
GB2540150B (en) 2015-07-06 2020-01-08 Dyson Technology Ltd Rare earth magnet with Dysprosium treatment
JP6627307B2 (ja) * 2015-07-24 2020-01-08 大同特殊鋼株式会社 焼結磁石製造方法
WO2017104788A1 (fr) * 2015-12-16 2017-06-22 日立金属株式会社 Procédé d'analyse d'aimant fritté anisotrope et procédé de production d'aimant fritté anisotrope l'utilisant
US20180029123A1 (en) * 2016-07-29 2018-02-01 General Electric Company Removable support package for additive manufacture
CN107424703B (zh) * 2017-09-06 2018-12-11 内蒙古鑫众恒磁性材料有限责任公司 晶界扩散法制作烧结钕铁硼永磁的重稀土附着工艺
US11440097B2 (en) 2019-02-12 2022-09-13 General Electric Company Methods for additively manufacturing components using lattice support structures
WO2023210842A1 (fr) * 2022-04-29 2023-11-02 주식회사 디아이씨 Procédé de fabrication d'aimant permanent aux terres rares
CN114743748B (zh) * 2022-05-10 2024-02-27 江西金力永磁科技股份有限公司 一种低涡流损耗钕铁硼磁体
CN114823025B (zh) * 2022-05-10 2024-02-02 江西金力永磁科技股份有限公司 一种低涡流损耗钕铁硼磁体

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DE10146986A1 (de) * 2001-09-24 2003-04-10 Schott Glas Verfahren zur Herstellung von mikrostrukturierten Prägewerkzeugen
US20070017601A1 (en) * 2005-07-22 2007-01-25 Shin-Etsu Chemical Co., Ltd. Rare earth permanent magnet, making method, and permanent magnet rotary machine
US20070245851A1 (en) * 2004-07-01 2007-10-25 Intermetallics Co., Ltd. Method and System for Manufacturing Sintered Rare-Earth Magnet Having Magnetic Anisotropy

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Publication number Priority date Publication date Assignee Title
DE10146986A1 (de) * 2001-09-24 2003-04-10 Schott Glas Verfahren zur Herstellung von mikrostrukturierten Prägewerkzeugen
US20070245851A1 (en) * 2004-07-01 2007-10-25 Intermetallics Co., Ltd. Method and System for Manufacturing Sintered Rare-Earth Magnet Having Magnetic Anisotropy
US20070017601A1 (en) * 2005-07-22 2007-01-25 Shin-Etsu Chemical Co., Ltd. Rare earth permanent magnet, making method, and permanent magnet rotary machine

Non-Patent Citations (1)

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Title
See also references of WO2010052862A1 *

Also Published As

Publication number Publication date
EP2348518A1 (fr) 2011-07-27
JPWO2010052862A1 (ja) 2012-04-05
CN105355415A (zh) 2016-02-24
EP2348518B1 (fr) 2016-08-24
US20110250087A1 (en) 2011-10-13
JP5690141B2 (ja) 2015-03-25
CN102209999A (zh) 2011-10-05
WO2010052862A1 (fr) 2010-05-14

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