[go: up one dir, main page]

BRPI0813089A2 - Ímã sinterizado de terras-raras de r-fe-b - Google Patents

Ímã sinterizado de terras-raras de r-fe-b

Info

Publication number
BRPI0813089A2
BRPI0813089A2 BRPI0813089-2A BRPI0813089A BRPI0813089A2 BR PI0813089 A2 BRPI0813089 A2 BR PI0813089A2 BR PI0813089 A BRPI0813089 A BR PI0813089A BR PI0813089 A2 BRPI0813089 A2 BR PI0813089A2
Authority
BR
Brazil
Prior art keywords
rare earth
sintered magnet
earth sintered
magnet
rare
Prior art date
Application number
BRPI0813089-2A
Other languages
English (en)
Inventor
Tomoori Odaka
Hideyuki Morimoto
Kohshi Yoshimura
Shigeru Takaki
Shinichiro Sakashita
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 BRPI0813089A2 publication Critical patent/BRPI0813089A2/pt
Publication of BRPI0813089B1 publication Critical patent/BRPI0813089B1/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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • 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%
    • 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
    • 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
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
BRPI0813089A 2007-07-27 2008-07-25 ímã sinterizado de terras-raras de r-fe-b BRPI0813089B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007196159 2007-07-27
PCT/JP2008/001996 WO2009016815A1 (ja) 2007-07-27 2008-07-25 Ｒ－Ｆｅ－Ｂ系希土類焼結磁石

Publications (2)

Publication Number Publication Date
BRPI0813089A2 true BRPI0813089A2 (pt) 2015-08-04
BRPI0813089B1 BRPI0813089B1 (pt) 2019-02-05

Family

ID=40304059

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0813089A BRPI0813089B1 (pt) 2007-07-27 2008-07-25 ímã sinterizado de terras-raras de r-fe-b

Country Status (10)

Country Link
US (1) US8177921B2 (pt)
EP (1) EP2178096B1 (pt)
JP (1) JP5532922B2 (pt)
KR (1) KR101474946B1 (pt)
CN (1) CN101652822B (pt)
BR (1) BRPI0813089B1 (pt)
ES (1) ES2563460T3 (pt)
HU (1) HUE028707T2 (pt)
PL (1) PL2178096T3 (pt)
WO (1) WO2009016815A1 (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2913126B1 (en) * 2006-03-03 2016-05-18 Hitachi Metals, Ltd. Method for producing an R-Fe-B rare earth sintered magnet
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
WO2010113465A1 (ja) * 2009-03-31 2010-10-07 日立金属株式会社 Ｒ－ｔ－ｂ－ｍ系焼結磁石用合金及びその製造方法
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
CN102483980B (zh) * 2010-03-04 2016-09-07 Tdk株式会社 稀土烧结磁体和电动机
WO2011122667A1 (ja) 2010-03-30 2011-10-06 Tdk株式会社 希土類焼結磁石、その製造方法、モーター、及び自動車
WO2011122638A1 (ja) 2010-03-30 2011-10-06 Tdk株式会社 焼結磁石、モーター、自動車、及び焼結磁石の製造方法
JP5870522B2 (ja) * 2010-07-14 2016-03-01 トヨタ自動車株式会社 永久磁石の製造方法
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
WO2012161355A1 (ja) 2011-05-25 2012-11-29 Tdk株式会社 希土類焼結磁石、希土類焼結磁石の製造方法及び回転機
KR101922188B1 (ko) * 2011-08-03 2018-11-26 가부시키가이샤 산도쿠 희토류 소결 자석용 원료 합금 주편 및 그 제조 방법
JP6089535B2 (ja) * 2011-10-28 2017-03-08 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
JP5338956B2 (ja) * 2011-11-29 2013-11-13 Ｔｄｋ株式会社 希土類焼結磁石
JP5586648B2 (ja) * 2012-03-30 2014-09-10 株式会社東芝 永久磁石とそれを用いたモータおよび発電機
PH12013000103B1 (en) * 2012-04-11 2015-09-07 Shinetsu Chemical Co Rare earth sintered magnet and making method
JP6221233B2 (ja) * 2012-12-28 2017-11-01 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石およびその製造方法
CN109275334A (zh) * 2016-01-25 2019-01-25 Ut巴特勒有限公司 具有选择性表面改性的钕-铁-硼磁体及其制造方法
CN110106334B (zh) * 2018-02-01 2021-06-22 福建省长汀金龙稀土有限公司 一种连续进行晶界扩散和热处理的装置以及方法
CN111091945B (zh) * 2019-12-31 2021-09-28 厦门钨业股份有限公司 一种r-t-b系永磁材料、原料组合物、制备方法、应用
CN120261096B (zh) * 2025-06-05 2025-08-26 北京中科三环高技术股份有限公司 钕铁硼磁体及其制备方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07105289B2 (ja) * 1986-03-06 1995-11-13 信越化学工業株式会社 希土類永久磁石の製造方法
JPH0547533A (ja) 1991-08-15 1993-02-26 Tdk Corp 焼結永久磁石およびその製造方法
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
JP4034936B2 (ja) * 1998-07-29 2008-01-16 Ｄｏｗａホールディングス株式会社 耐熱性に優れた永久磁石合金およびその製造法
US6319336B1 (en) * 1998-07-29 2001-11-20 Dowa Mining Co., Ltd. Permanent magnet alloy having improved heat resistance and process for production thereof
JP3846835B2 (ja) * 1998-10-14 2006-11-15 株式会社Ｎｅｏｍａｘ Ｒ−ｔ−ｂ系焼結型永久磁石
DE69911138T2 (de) * 1998-10-14 2004-07-22 Hitachi Metals, Ltd. Gesinterter R-T-B-Dauermagnet
JP2001284111A (ja) 2000-03-31 2001-10-12 Toshiba Corp 高耐熱性永久磁石
EP1365422B1 (en) * 2001-01-30 2012-04-25 Hitachi Metals, Ltd. Method for preparation of permanent magnet
US7022252B2 (en) * 2001-11-09 2006-04-04 Hitachi Metals, Ltd. Permanent magnetic alloy and bonded magnet
JP4320701B2 (ja) * 2001-11-09 2009-08-26 日立金属株式会社 永久磁石合金及びボンド磁石
JP4422953B2 (ja) 2002-08-22 2010-03-03 株式会社日立製作所 永久磁石の製造方法
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
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
JP2005209669A (ja) 2004-01-20 2005-08-04 Hitachi Ltd 希土類磁石及びそれを用いた磁気回路
JP4645855B2 (ja) * 2005-03-14 2011-03-09 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系焼結磁石
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
JP4788427B2 (ja) * 2006-03-23 2011-10-05 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系希土類焼結磁石およびその製造方法
JP4677942B2 (ja) * 2006-03-31 2011-04-27 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系希土類焼結磁石の製造方法
JP4742966B2 (ja) * 2006-04-19 2011-08-10 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系希土類焼結磁石の製造方法
JP4765747B2 (ja) * 2006-04-19 2011-09-07 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系希土類焼結磁石の製造方法
JP4811143B2 (ja) * 2006-06-08 2011-11-09 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系希土類焼結磁石およびその製造方法
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
ES2563460T3 (es) 2016-03-15
HUE028707T2 (en) 2016-12-28
JP5532922B2 (ja) 2014-06-25
WO2009016815A1 (ja) 2009-02-05
BRPI0813089B1 (pt) 2019-02-05
US8177921B2 (en) 2012-05-15
CN101652822A (zh) 2010-02-17
CN101652822B (zh) 2012-06-13
EP2178096A4 (en) 2011-08-17
KR20100037030A (ko) 2010-04-08
KR101474946B1 (ko) 2014-12-19
EP2178096B1 (en) 2015-12-23
PL2178096T3 (pl) 2016-06-30
JPWO2009016815A1 (ja) 2010-10-14
EP2178096A1 (en) 2010-04-21
US20110012699A1 (en) 2011-01-20

Similar Documents

Publication Publication Date Title
BRPI0813089A2 (pt) Ímã sinterizado de terras-raras de r-fe-b
EP2034493A4 (en) R-T-B sintered magnet
EP2077567A4 (en) SINTERED MAGNET R-T-B
EP2172947A4 (en) Rare earth magnet
EP2043112A4 (en) SINTERED FERRITMAGNET
PT2184747E (pt) Íman sinterizado anisotrópico de r-fe-b
EP2302646A4 (en) R-t-cu-mn-b type sintered magnet
GB2465054B (en) Permanent magnet machine with offset pole spacing
EP1711953A4 (en) PERMANENT MAGNET ASSEMBLY
EP2254129A4 (en) PERMANENT MAGNET AND METHOD FOR PRODUCING THE SAME
EP2215702A4 (en) SURFACE MOUNTABLE PERMANENT MAGNETIC ELEMENT
EP2544199A4 (en) Sintered rare-earth magnet and motor
DE602007007826D1 (de) Supraleitende Magnetvorrichtung
GB0721074D0 (en) Permanent magnet reluctance machines
EP2624265A4 (en) R-t-b sintered magnet manufacturing method
GB2423871B (en) Superconducting magnet system
GB2508971B (en) Permanent magnet machine with offset pole spacing
BRPI0820227A2 (pt) Fechadura magnética
DE602005003599D1 (de) Seltenerd-Permanentmagnet
GB0820162D0 (en) Superconducting magnet systems
FI20060340L (fi) Kestomagneetin napaelementti
ES1068612Y (es) Motor de imanes permanentes
GB0523499D0 (en) Superconducting magnet systems
GB2443674B (en) Flow-cooled magnet system
GB2437551B (en) Magnetic devices

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
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: 10 (DEZ) ANOS CONTADOS A PARTIR DE 05/02/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 05/02/2019, OBSERVADAS AS CONDICOES LEGAIS

B25D Requested change of name of applicant approved

Owner name: PROTERIAL, LTD. (JP)

B25G Requested change of headquarter approved

Owner name: PROTERIAL, LTD. (JP)