KR101632853B1 - 희토류 자석의 제조 방법 - Google Patents

희토류 자석의 제조 방법 Download PDF

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KR101632853B1
KR101632853B1 KR1020157007546A KR20157007546A KR101632853B1 KR 101632853 B1 KR101632853 B1 KR 101632853B1 KR 1020157007546 A KR1020157007546 A KR 1020157007546A KR 20157007546 A KR20157007546 A KR 20157007546A KR 101632853 B1 KR101632853 B1 KR 101632853B1
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South Korea
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rare
earth magnet
elongation
extrusion
processing
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KR20150052114A (ko
Inventor
다이스케 이치고자키
노리타카 미야모토
데츠야 쇼지
유야 이케다
아키라 마나베
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도요타 지도샤（주）
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    • 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
    • H01F41/0266—Moulding; Pressing
    • 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
    • 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
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
    • 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
    • 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
    • B22F3/17—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by forging
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • 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
    • 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
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • 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
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
    • B22F2003/208—Warm or hot extruding
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
KR1020157007546A 2012-10-23 2013-10-17 희토류 자석의 제조 방법 Expired - Fee Related KR101632853B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JPJP-P-2012-233812 2012-10-23
JP2012233812 2012-10-23
JPJP-P-2013-212883 2013-10-10
JP2013212883A JP6044504B2 (ja) 2012-10-23 2013-10-10 希土類磁石の製造方法
PCT/JP2013/078191 WO2014065188A1 (ja) 2012-10-23 2013-10-17 希土類磁石の製造方法

Publications (2)

Publication Number Publication Date
KR20150052114A KR20150052114A (ko) 2015-05-13
KR101632853B1 true KR101632853B1 (ko) 2016-06-22

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Country Link
US (1) US9905362B2 (enExample)
EP (1) EP2913831B1 (enExample)
JP (1) JP6044504B2 (enExample)
KR (1) KR101632853B1 (enExample)
CN (1) CN104737251B (enExample)
BR (1) BR112015008267B1 (enExample)
CA (1) CA2887984C (enExample)
IN (1) IN2015DN03164A (enExample)
RU (1) RU2595073C1 (enExample)
TW (1) TWI466141B (enExample)
WO (1) WO2014065188A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190068873A (ko) * 2017-12-11 2019-06-19 현대자동차주식회사 강자계 방식 열간 압출 영구자석 제조공법 및 ipm 모터

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KR20150033423A (ko) * 2013-09-24 2015-04-01 엘지전자 주식회사 열간가압성형 공정을 이용한 이방성 열간가압성형 자석의 제조방법 및 이 방법으로 제조된 열간가압성형 자석
JP6168090B2 (ja) 2014-08-28 2017-07-26 トヨタ自動車株式会社 成形型
CN104575906B (zh) * 2014-12-11 2017-05-24 赣州市东磁稀土有限公司 一种高性能低成本稀土永磁材料及其制备方法
JP6689571B2 (ja) 2015-03-05 2020-04-28 信越化学工業株式会社 希土類焼結磁石の製造方法
CN104733148B (zh) * 2015-03-31 2017-06-16 安徽省瀚海新材料股份有限公司 一种高性能Re‑TM‑B永磁材料的制作方法
JP6365447B2 (ja) * 2015-07-08 2018-08-01 トヨタ自動車株式会社 ロータの製造方法
CN105206371A (zh) * 2015-10-13 2015-12-30 南通长江电器实业有限公司 一种低成本高矫顽力稀土永磁材料
CN105537577A (zh) * 2015-12-17 2016-05-04 中磁科技股份有限公司 Nd-Fe-B粉末颗粒动态取向方法
CN106964778A (zh) * 2016-01-14 2017-07-21 罗伯特·博世有限公司 生产热变形磁体的方法和设备
DE102016217138A1 (de) 2016-09-08 2018-03-08 Robert Bosch Gmbh Verfahren und zugehörige Schmiedehohlform zur Herstellung eines heißumgeformten Magneten
JP7201332B2 (ja) * 2018-04-09 2023-01-10 トヨタ自動車株式会社 希土類磁石の製造方法及びそれに用いられる製造装置
CN111326336B (zh) * 2020-02-28 2021-06-22 大连理工大学 一种振荡式热变形和渗透一体化的高矫顽力稀土永磁体制备方法
CN112170848B (zh) * 2020-07-23 2023-06-09 湖州机床厂有限公司 铝合金粉末挤锻成形设备及挤锻成形方法
CN119252646B (zh) * 2024-12-06 2025-02-11 安泰北方科技有限公司 钕铁硼磁体的生产设备及工艺

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JP2009049378A (ja) 2007-07-24 2009-03-05 Nissan Motor Co Ltd 磁性体成形体およびその製造方法
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JP2008172037A (ja) 2007-01-12 2008-07-24 Daido Steel Co Ltd 希土類磁石及びその製造方法
JP2009049378A (ja) 2007-07-24 2009-03-05 Nissan Motor Co Ltd 磁性体成形体およびその製造方法
WO2011070827A1 (ja) 2009-12-09 2011-06-16 愛知製鋼株式会社 希土類異方性磁石とその製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190068873A (ko) * 2017-12-11 2019-06-19 현대자동차주식회사 강자계 방식 열간 압출 영구자석 제조공법 및 ipm 모터
KR102347739B1 (ko) 2017-12-11 2022-01-06 현대자동차주식회사 강자계 방식 열간 압출 영구자석 제조공법 및 ipm 모터

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CA2887984A1 (en) 2014-05-01
BR112015008267A2 (pt) 2017-07-04
TW201430873A (zh) 2014-08-01
RU2595073C1 (ru) 2016-08-20
US9905362B2 (en) 2018-02-27
JP2014103386A (ja) 2014-06-05
IN2015DN03164A (enExample) 2015-10-02
JP6044504B2 (ja) 2016-12-14
CN104737251B (zh) 2017-12-08
TWI466141B (zh) 2014-12-21
KR20150052114A (ko) 2015-05-13
CA2887984C (en) 2016-09-06
EP2913831B1 (en) 2017-04-19
CN104737251A (zh) 2015-06-24
BR112015008267B1 (pt) 2021-10-05
US20150287530A1 (en) 2015-10-08
EP2913831A4 (en) 2015-11-25
EP2913831A1 (en) 2015-09-02
WO2014065188A1 (ja) 2014-05-01

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