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BRPI0813821A2 - ÍMÃ SINTERIZADO DE TERRAS-RARAS Á BASE DE R-Fe-B E PROCESSO PARA A PRODUÇÃO DO MESMO - Google Patents

ÍMÃ SINTERIZADO DE TERRAS-RARAS Á BASE DE R-Fe-B E PROCESSO PARA A PRODUÇÃO DO MESMO

Info

Publication number
BRPI0813821A2
BRPI0813821A2 BRPI0813821-4A2A BRPI0813821A BRPI0813821A2 BR PI0813821 A2 BRPI0813821 A2 BR PI0813821A2 BR PI0813821 A BRPI0813821 A BR PI0813821A BR PI0813821 A2 BRPI0813821 A2 BR PI0813821A2
Authority
BR
Brazil
Prior art keywords
producing
rare earths
based rare
earths magnet
magnet
Prior art date
Application number
BRPI0813821-4A2A
Other languages
English (en)
Inventor
Koshi Yoshimura
Hideyuki Morimoto
Tomoori Odaka
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
Publication of BRPI0813821A2 publication Critical patent/BRPI0813821A2/pt
Publication of BRPI0813821B1 publication Critical patent/BRPI0813821B1/pt

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
    • 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
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • 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
    • 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
    • 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
    • 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
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
BRPI0813821-4A 2007-07-02 2008-07-01 IMÃ SINTERIZADO DE TERRAS-RARAS À BASE DE R-Fe-B, E MÉTODO PARA SUA PRODUÇÃO BRPI0813821B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007174063 2007-07-02
JP2007-174063 2007-07-02
PCT/JP2008/001727 WO2009004794A1 (ja) 2007-07-02 2008-07-01 Ｒ－Ｆｅ－Ｂ系希土類焼結磁石およびその製造方法

Publications (2)

Publication Number Publication Date
BRPI0813821A2 true BRPI0813821A2 (pt) 2015-01-06
BRPI0813821B1 BRPI0813821B1 (pt) 2018-08-07

Family

ID=40225859

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0813821-4A BRPI0813821B1 (pt) 2007-07-02 2008-07-01 IMÃ SINTERIZADO DE TERRAS-RARAS À BASE DE R-Fe-B, E MÉTODO PARA SUA PRODUÇÃO

Country Status (7)

Country Link
US (2) US8187392B2 (pt)
EP (1) EP2169689B1 (pt)
JP (1) JP5509850B2 (pt)
KR (1) KR101495899B1 (pt)
CN (1) CN101652821B (pt)
BR (1) BRPI0813821B1 (pt)
WO (1) WO2009004794A1 (pt)

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HUE025146T2 (en) * 2007-09-04 2016-01-28 Hitachi Metals Ltd R-Fe-B anisotropic sintered magnet
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KR102561239B1 (ko) * 2018-11-27 2023-07-31 엘지이노텍 주식회사 희토류 자석 제조방법
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KR102098270B1 (ko) * 2019-06-25 2020-04-08 성림첨단산업(주) 입계확산자석 제조방법 및 이를 이용하여 제조된 입계확산자석
WO2021147908A1 (zh) * 2020-01-21 2021-07-29 厦门钨业股份有限公司 一种R-Fe-B系烧结磁体及其晶界扩散处理方法
CN113593798B (zh) * 2020-04-30 2024-04-19 有研稀土新材料股份有限公司 一种r-t-b系烧结磁体及其制备方法
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CN113936877A (zh) * 2020-06-29 2022-01-14 有研稀土新材料股份有限公司 一种改性烧结钕铁硼磁体及其制备方法与应用
CN113053607B (zh) * 2021-03-19 2022-05-03 金力永磁(包头)科技有限公司 一种钕铁硼磁体及一种三维晶界扩散制备钕铁硼磁体的方法
KR102435666B1 (ko) * 2021-12-29 2022-08-25 성림첨단산업(주) 희토류 영구 자석 제조방법 및 이를 통해 제조된 희토류 영구 자석
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Also Published As

Publication number Publication date
CN101652821B (zh) 2013-06-12
EP2169689A4 (en) 2013-05-29
US8945318B2 (en) 2015-02-03
US8187392B2 (en) 2012-05-29
CN101652821A (zh) 2010-02-17
US20100182113A1 (en) 2010-07-22
BRPI0813821B1 (pt) 2018-08-07
JP5509850B2 (ja) 2014-06-04
EP2169689B1 (en) 2014-12-03
KR101495899B1 (ko) 2015-03-02
WO2009004794A1 (ja) 2009-01-08
JPWO2009004794A1 (ja) 2010-08-26
EP2169689A1 (en) 2010-03-31
US20120206227A1 (en) 2012-08-16
KR20100027111A (ko) 2010-03-10

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