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BRPI0816463A2 - Magneta sinterizado anisotrópico baseado em r-fe-b - Google Patents

Magneta sinterizado anisotrópico baseado em r-fe-b

Info

Publication number
BRPI0816463A2
BRPI0816463A2 BRPI0816463A BRPI0816463A2 BR PI0816463 A2 BRPI0816463 A2 BR PI0816463A2 BR PI0816463 A BRPI0816463 A BR PI0816463A BR PI0816463 A2 BRPI0816463 A2 BR PI0816463A2
Authority
BR
Brazil
Prior art keywords
sintered magnet
magnet based
anisotropic sintered
anisotropic
sintered
Prior art date
Application number
Other languages
English (en)
Inventor
Tomoori Odaka
Hideyuki Morimoto
Kohshi Yoshimura
Shigeru Takaki
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 BRPI0816463A2 publication Critical patent/BRPI0816463A2/pt
Publication of BRPI0816463B1 publication Critical patent/BRPI0816463B1/pt

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
    • 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
    • B22F3/24—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
    • 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
    • H01F1/06—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
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
BRPI0816463-0A 2007-09-04 2008-09-02 Magneto sinterizado anisotrópico baseado em r-fe-b BRPI0816463B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007-229113 2007-09-04
JP2007229113 2007-09-04
PCT/JP2008/002399 WO2009031292A1 (ja) 2007-09-04 2008-09-02 Ｒ－Ｆｅ－Ｂ系異方性焼結磁石

Publications (2)

Publication Number Publication Date
BRPI0816463A2 true BRPI0816463A2 (pt) 2015-03-24
BRPI0816463B1 BRPI0816463B1 (pt) 2022-04-05

Family

ID=40428616

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0816463-0A BRPI0816463B1 (pt) 2007-09-04 2008-09-02 Magneto sinterizado anisotrópico baseado em r-fe-b

Country Status (11)

Country Link
US (1) US8177922B2 (pt)
EP (1) EP2184747B1 (pt)
JP (1) JP5201144B2 (pt)
KR (1) KR101474947B1 (pt)
CN (1) CN101652820B (pt)
BR (1) BRPI0816463B1 (pt)
ES (1) ES2536189T3 (pt)
HU (1) HUE025146T2 (pt)
PL (1) PL2184747T3 (pt)
PT (1) PT2184747E (pt)
WO (1) WO2009031292A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0813821B1 (pt) * 2007-07-02 2018-08-07 Hitachi Metals, Ltd. IMÃ SINTERIZADO DE TERRAS-RARAS À BASE DE R-Fe-B, E MÉTODO PARA SUA PRODUÇÃO
PL2178096T3 (pl) * 2007-07-27 2016-06-30 Hitachi Metals Ltd Spiekany magnes typu R-Fe-B na bazie pierwiastków ziem rzadkich
HUE025146T2 (en) * 2007-09-04 2016-01-28 Hitachi Metals Ltd R-Fe-B anisotropic sintered magnet
CN102473515B (zh) * 2009-07-15 2016-06-15 日立金属株式会社 R-t-b类烧结磁体的制造方法和r-t-b类烧结磁体
JP5626226B2 (ja) * 2010-02-10 2014-11-19 日立金属株式会社 磁力特性算出方法、磁力特性算出装置及びコンピュータプログラム
JP5885907B2 (ja) * 2010-03-30 2016-03-16 Tdk株式会社 希土類焼結磁石及びその製造方法、並びにモータ及び自動車
JP5373834B2 (ja) * 2011-02-15 2013-12-18 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
US9547051B2 (en) * 2011-05-17 2017-01-17 Hitachi Metals, Ltd. Calculating method of magnetic force characteristic, and magnetic force characteristic computing device
CN102218531B (zh) * 2011-05-18 2012-12-19 山西众恒磁性材料有限公司 高性能烧结钕铁硼永磁体的混合制备方法
JP5939302B2 (ja) * 2012-08-13 2016-06-22 日立金属株式会社 希土類系焼結磁石の製造方法および成形装置
DE102013205442A1 (de) * 2013-03-27 2014-10-02 Robert Bosch Gmbh Pumpe mit Elektromotor
KR101543111B1 (ko) * 2013-12-17 2015-08-10 현대자동차주식회사 NdFeB 영구자석 및 그 제조방법
EP3503130B1 (en) 2016-08-17 2024-06-05 Proterial, Ltd. R-t-b sintered magnet
JP2020150262A (ja) * 2019-03-08 2020-09-17 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石
CN110853854B (zh) * 2019-11-13 2021-03-16 北京工业大学 一种两步扩散法制备高性能双主相烧结混合稀土铁硼磁体的方法
JP2022137951A (ja) * 2021-03-09 2022-09-22 富士電機株式会社 磁界発生装置、磁界発生装置の製造方法及び磁界発生装置を用いたリニアモータ
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

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* Cited by examiner, † Cited by third party
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JPH0663086B2 (ja) 1985-09-27 1994-08-17 住友特殊金属株式会社 永久磁石材料及びその製造方法
EP0556751B1 (en) 1992-02-15 1998-06-10 Santoku Metal Industry Co., Ltd. Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet
JP3516820B2 (ja) * 1996-09-17 2004-04-05 住友特殊金属株式会社 希土類永久磁石用合金原料、希土類永久磁石用合金粉末及び希土類永久磁石の製造方法
DE69911138T2 (de) * 1998-10-14 2004-07-22 Hitachi Metals, Ltd. Gesinterter R-T-B-Dauermagnet
EP1365422B1 (en) * 2001-01-30 2012-04-25 Hitachi Metals, Ltd. Method for preparation of permanent magnet
CN1300360C (zh) 2001-03-30 2007-02-14 株式会社新王磁材 稀土合金烧坯及其制造方法
JP4870274B2 (ja) 2001-03-30 2012-02-08 Ｔｄｋ株式会社 希土類永久磁石の製造方法
JP2002356701A (ja) 2001-03-30 2002-12-13 Sumitomo Special Metals Co Ltd 希土類合金焼結体およびその製造方法
JP2004296973A (ja) * 2003-03-28 2004-10-21 Kenichi Machida 金属蒸気収着による高性能希土類磁石の製造
JP3897724B2 (ja) 2003-03-31 2007-03-28 独立行政法人科学技術振興機構 超小型製品用の微小、高性能焼結希土類磁石の製造方法
US6823442B1 (en) * 2003-05-12 2004-11-23 3Pardata, Inc. Method of managing virtual volumes in a utility storage server system
JP2005011973A (ja) * 2003-06-18 2005-01-13 Japan Science & Technology Agency 希土類−鉄−ホウ素系磁石及びその製造方法
JP3960966B2 (ja) * 2003-12-10 2007-08-15 独立行政法人科学技術振興機構 耐熱性希土類磁石の製造方法
JP2005285859A (ja) 2004-03-26 2005-10-13 Tdk Corp 希土類磁石及びその製造方法
US20090020193A1 (en) 2005-04-15 2009-01-22 Hitachi Metals, Ltd. Rare earth sintered magnet and process for producing the same
CN103295713B (zh) * 2006-01-31 2016-08-10 日立金属株式会社 R－Fe－B类稀土烧结磁铁
EP2913126B1 (en) 2006-03-03 2016-05-18 Hitachi Metals, Ltd. Method for producing an R-Fe-B rare earth sintered magnet
MY149353A (en) * 2007-03-16 2013-08-30 Shinetsu Chemical Co Rare earth permanent magnet and its preparations
BRPI0813821B1 (pt) * 2007-07-02 2018-08-07 Hitachi Metals, Ltd. IMÃ SINTERIZADO DE TERRAS-RARAS À BASE DE R-Fe-B, E MÉTODO PARA SUA PRODUÇÃO
PL2178096T3 (pl) * 2007-07-27 2016-06-30 Hitachi Metals Ltd Spiekany magnes typu R-Fe-B na bazie pierwiastków ziem rzadkich
HUE025146T2 (en) * 2007-09-04 2016-01-28 Hitachi Metals Ltd R-Fe-B anisotropic sintered magnet

Also Published As

Publication number Publication date
JPWO2009031292A1 (ja) 2010-12-09
ES2536189T3 (es) 2015-05-21
EP2184747A1 (en) 2010-05-12
HUE025146T2 (en) 2016-01-28
EP2184747A4 (en) 2011-08-31
KR101474947B1 (ko) 2014-12-19
JP5201144B2 (ja) 2013-06-05
WO2009031292A1 (ja) 2009-03-12
PT2184747E (pt) 2015-06-01
CN101652820B (zh) 2012-06-27
KR20100049503A (ko) 2010-05-12
CN101652820A (zh) 2010-02-17
US8177922B2 (en) 2012-05-15
BRPI0816463B1 (pt) 2022-04-05
EP2184747B1 (en) 2015-04-22
PL2184747T3 (pl) 2015-10-30
US20110205006A1 (en) 2011-08-25

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 3A. ANUIDADE.

B08H Application fees: decision cancelled [chapter 8.8 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 8.6 NA RPI NO 2508 DE 29/01/2019.

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/09/2008, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.

B25D Requested change of name of applicant approved

Owner name: PROTERIAL, LTD. (JP)

B25G Requested change of headquarter approved

Owner name: PROTERIAL, LTD. (JP)