PL2178096T3 - Spiekany magnes typu R-Fe-B na bazie pierwiastków ziem rzadkich - Google Patents

Spiekany magnes typu R-Fe-B na bazie pierwiastków ziem rzadkich

Info

Publication number
PL2178096T3
PL2178096T3 PL08776893T PL08776893T PL2178096T3 PL 2178096 T3 PL2178096 T3 PL 2178096T3 PL 08776893 T PL08776893 T PL 08776893T PL 08776893 T PL08776893 T PL 08776893T PL 2178096 T3 PL2178096 T3 PL 2178096T3
Authority
PL
Poland
Prior art keywords
rare earth
sintered magnet
earth sintered
magnet
rare
Prior art date
Application number
PL08776893T
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 PL2178096T3 publication Critical patent/PL2178096T3/pl

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24After-treatment of workpieces or articles
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/02Making ferrous alloys by powder metallurgy
    • C22C33/0257Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278Making 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%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0575Alloys 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
    • H01F1/0577Alloys 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/06Magnets 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
    • H01F1/08Magnets 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0253Apparatus 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
    • H01F41/0293Apparatus 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24After-treatment of workpieces or articles
    • B22F2003/248Thermal after-treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10Processes characterised by the sequence of their steps
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C2202/00Physical properties
    • C22C2202/02Magnetic

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)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
PL08776893T 2007-07-27 2008-07-25 Spiekany magnes typu R-Fe-B na bazie pierwiastków ziem rzadkich PL2178096T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007196159 2007-07-27
EP08776893.3A EP2178096B1 (en) 2007-07-27 2008-07-25 R-Fe-B RARE EARTH SINTERED MAGNET
PCT/JP2008/001996 WO2009016815A1 (ja) 2007-07-27 2008-07-25 R-Fe-B系希土類焼結磁石

Publications (1)

Publication Number Publication Date
PL2178096T3 true PL2178096T3 (pl) 2016-06-30

Family

ID=40304059

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08776893T PL2178096T3 (pl) 2007-07-27 2008-07-25 Spiekany magnes typu R-Fe-B na bazie pierwiastków ziem rzadkich

Country Status (10)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8206516B2 (en) * 2006-03-03 2012-06-26 Hitachi Metals, Ltd. R—Fe—B rare earth sintered magnet and method for producing same
EP2178096B1 (en) * 2007-07-27 2015-12-23 Hitachi Metals, Ltd. R-Fe-B RARE EARTH SINTERED MAGNET
ES2536189T3 (es) * 2007-09-04 2015-05-21 Hitachi Metals, Ltd. Imán anisotrópico sinterizado de R-Fe-B
CN102361998B (zh) * 2009-03-31 2013-07-17 日立金属株式会社 R-t-b-m系烧结磁体用合金及其制造方法
JP5510457B2 (ja) * 2009-07-15 2014-06-04 日立金属株式会社 R−t−b系焼結磁石の製造方法
WO2011108704A1 (ja) * 2010-03-04 2011-09-09 Tdk株式会社 希土類焼結磁石及びモータ
CN103098151B (zh) 2010-03-30 2016-01-20 Tdk株式会社 稀土类烧结磁铁以及其制造方法、马达以及汽车
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
US9177705B2 (en) 2011-05-25 2015-11-03 Tdk Corporation Sintered rare earth magnet, method of producing the same, and rotating machine
CN103842112B (zh) * 2011-08-03 2017-09-01 株式会社三德 用于稀土烧结磁铁的原料合金铸片及其制造方法
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
MY168281A (en) * 2012-04-11 2018-10-19 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
CN110106335B (zh) * 2018-02-01 2021-04-13 福建省长汀金龙稀土有限公司 一种合金工件或金属工件的连续热处理装置以及方法
CN113889310B (zh) * 2019-12-31 2025-12-19 福建省金龙稀土股份有限公司 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
ATE167239T1 (de) 1992-02-15 1998-06-15 Santoku Metal Ind Legierungsblock für einen dauermagnet, anisotropes pulver für einen dauermagnet, verfahren zur herstellung eines solchen und dauermagneten
US6319336B1 (en) 1998-07-29 2001-11-20 Dowa Mining Co., Ltd. Permanent magnet alloy having improved heat resistance and process for production thereof
DE69927931T2 (de) * 1998-07-29 2006-07-20 Dowa Mining Co., Ltd. Permanentmagnetische legierung mit hervorragenden waermeresistenten eigenschaften und verfahren zu deren herstellung
EP0994493B1 (en) * 1998-10-14 2003-09-10 Hitachi Metals, Ltd. R-T-B sintered permanent magnet
JP3846835B2 (ja) * 1998-10-14 2006-11-15 株式会社Neomax R−t−b系焼結型永久磁石
JP2001284111A (ja) 2000-03-31 2001-10-12 Toshiba Corp 高耐熱性永久磁石
US7244318B2 (en) 2001-01-30 2007-07-17 Neomax Co., Ltd. Method for preparation of permanent 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
US7022252B2 (en) 2001-11-09 2006-04-04 Hitachi Metals, Ltd. Permanent magnetic alloy and bonded magnet
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
EP1860668B1 (en) 2005-03-14 2015-01-14 TDK Corporation R-t-b based sintered magnet
WO2006112403A1 (ja) * 2005-04-15 2006-10-26 Hitachi Metals, Ltd. 希土類焼結磁石とその製造方法
US8038807B2 (en) * 2006-01-31 2011-10-18 Hitachi Metals, Ltd. R-Fe-B rare-earth sintered magnet and process for producing the same
US8206516B2 (en) * 2006-03-03 2012-06-26 Hitachi Metals, Ltd. R—Fe—B rare earth sintered magnet and method for producing same
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
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
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
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
WO2009004794A1 (ja) * 2007-07-02 2009-01-08 Hitachi Metals, Ltd. R-Fe-B系希土類焼結磁石およびその製造方法
EP2178096B1 (en) * 2007-07-27 2015-12-23 Hitachi Metals, Ltd. R-Fe-B RARE EARTH SINTERED MAGNET
ES2536189T3 (es) * 2007-09-04 2015-05-21 Hitachi Metals, Ltd. Imán anisotrópico sinterizado de R-Fe-B

Also Published As

Publication number Publication date
EP2178096A4 (en) 2011-08-17
WO2009016815A1 (ja) 2009-02-05
HUE028707T2 (en) 2016-12-28
BRPI0813089B1 (pt) 2019-02-05
JPWO2009016815A1 (ja) 2010-10-14
EP2178096B1 (en) 2015-12-23
US8177921B2 (en) 2012-05-15
EP2178096A1 (en) 2010-04-21
KR20100037030A (ko) 2010-04-08
JP5532922B2 (ja) 2014-06-25
US20110012699A1 (en) 2011-01-20
BRPI0813089A2 (pt) 2015-08-04
ES2563460T3 (es) 2016-03-15
CN101652822A (zh) 2010-02-17
CN101652822B (zh) 2012-06-13
KR101474946B1 (ko) 2014-12-19

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