BR112015008267A2 - método de produção de ímã de terras-raras - Google Patents

método de produção de ímã de terras-raras

Info

Publication number
BR112015008267A2
BR112015008267A2 BR112015008267A BR112015008267A BR112015008267A2 BR 112015008267 A2 BR112015008267 A2 BR 112015008267A2 BR 112015008267 A BR112015008267 A BR 112015008267A BR 112015008267 A BR112015008267 A BR 112015008267A BR 112015008267 A2 BR112015008267 A2 BR 112015008267A2
Authority
BR
Brazil
Prior art keywords
rare earth
earth magnet
compact
extrusion
production method
Prior art date
Application number
BR112015008267A
Other languages
English (en)
Other versions
BR112015008267B1 (pt
Inventor
Manabe Akira
Ichigozaki Daisuke
Miyamoto Noritaka
Shoji Tetsuya
Ikeda Yuya
Original Assignee
Toyota Motor 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 Toyota Motor Co Ltd filed Critical Toyota Motor Co Ltd
Publication of BR112015008267A2 publication Critical patent/BR112015008267A2/pt
Publication of BR112015008267B1 publication Critical patent/BR112015008267B1/pt

Links

Classifications

    • 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
    • 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
    • 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
    • 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

Abstract

resumo patente de invenção: "método de produção de ímã de terras-raras". proporciona-se um método para a fabricação de um imã de terras-raras através do processamento de deformação a quente, capaz de fabricar um ímã de terras-raras com alto grau de orientação em toda a área do imã de terras-raras fabricado e alta remanência, sem aumento de custos para o processamento do mesmo. um método inclui: uma etapa de formação de pó por prensagem como um material magnético de terras-raras para formar um compacto s, etapa de execução de processamento de deformação a quente para o compacto s, fabricando, desse modo, o imã de terras-raras c. a extrusão é para colocar um compacto s em um molde da, e aplicar pressão ao compacto s' em um estado aquecido com um punção de extrusão pd de modo a reduzir a espessura por extrusão para preparar o corpo intermediário de ímã de terras-raras s" tendo uma forma de folha, e o esmagamento é para aplicar pressão ao corpo intermediário do ímã de terras-raras s" no sentido da espessura para reduzir a espessura, fabricando, desse modo, o imã de terras-raras c.
BR112015008267-0A 2012-10-23 2013-10-17 Método para fabricar um imã de terras-raras BR112015008267B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2012-233812 2012-10-23
JP2012233812 2012-10-23
JP2013212883A JP6044504B2 (ja) 2012-10-23 2013-10-10 希土類磁石の製造方法
JP2013-212883 2013-10-10
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
BR112015008267A2 true BR112015008267A2 (pt) 2017-07-04
BR112015008267B1 BR112015008267B1 (pt) 2021-10-05

Family

ID=50544568

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015008267-0A BR112015008267B1 (pt) 2012-10-23 2013-10-17 Método para fabricar um imã de terras-raras

Country Status (11)

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

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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
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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

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Also Published As

Publication number Publication date
US9905362B2 (en) 2018-02-27
KR101632853B1 (ko) 2016-06-22
IN2015DN03164A (pt) 2015-10-02
JP2014103386A (ja) 2014-06-05
WO2014065188A1 (ja) 2014-05-01
CA2887984A1 (en) 2014-05-01
CN104737251B (zh) 2017-12-08
TWI466141B (zh) 2014-12-21
CN104737251A (zh) 2015-06-24
RU2595073C1 (ru) 2016-08-20
JP6044504B2 (ja) 2016-12-14
EP2913831B1 (en) 2017-04-19
CA2887984C (en) 2016-09-06
KR20150052114A (ko) 2015-05-13
EP2913831A4 (en) 2015-11-25
US20150287530A1 (en) 2015-10-08
BR112015008267B1 (pt) 2021-10-05
EP2913831A1 (en) 2015-09-02
TW201430873A (zh) 2014-08-01

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