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WO2009031292A1 - Ｒ－Ｆｅ－Ｂ系異方性焼結磁石 - Google Patents

Ｒ－Ｆｅ－Ｂ系異方性焼結磁石 Download PDF

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Publication number
WO2009031292A1
WO2009031292A1 PCT/JP2008/002399 JP2008002399W WO2009031292A1 WO 2009031292 A1 WO2009031292 A1 WO 2009031292A1 JP 2008002399 W JP2008002399 W JP 2008002399W WO 2009031292 A1 WO2009031292 A1 WO 2009031292A1
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WO
WIPO (PCT)
Prior art keywords
earth element
sintered magnet
anisotropic sintered
rare
range
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
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PCT/JP2008/002399
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English (en)
French (fr)
Inventor
Tomoori Odaka
Hideyuki Morimoto
Kohshi Yoshimura
Shigeru Takaki
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Proterial Ltd
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Hitachi Metals Ltd
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Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to PL08829605T priority Critical patent/PL2184747T3/pl
Priority to JP2009531110A priority patent/JP5201144B2/ja
Priority to CN200880011063XA priority patent/CN101652820B/zh
Priority to US12/671,915 priority patent/US8177922B2/en
Priority to ES08829605.8T priority patent/ES2536189T3/es
Priority to EP20080829605 priority patent/EP2184747B1/en
Priority to BRPI0816463-0A priority patent/BRPI0816463B1/pt
Publication of WO2009031292A1 publication Critical patent/WO2009031292A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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

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  • 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)

Abstract

　本発明のＲ－Ｆｅ－Ｂ系異方性焼結磁石は、軽希土類元素ＲＬ（ＮｄおよびＰｒの少なくとも１種）を主たる希土類元素Ｒとして含有するＲ2Ｆｅ14Ｂ型化合物を主相として有し、重希土類元素ＲＨ（ＤｙおよびＴｂからなる群から選択された少なくとも１種）を含有するＲ－Ｆｅ－Ｂ系異方性焼結磁石であって、主相の結晶格子におけるｃ軸が所定方向に配向しており、磁石の磁極面から深さ５００μｍまでの領域において、前記磁極面に平行な面に対するＣｕＫα線を用いたＸ線回折測定で２θが６０．５～６１．５°の範囲内に少なくとも２つの回折ピークが観察される部分を含む。
PCT/JP2008/002399 2007-09-04 2008-09-02 Ｒ－Ｆｅ－Ｂ系異方性焼結磁石 Ceased WO2009031292A1 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PL08829605T PL2184747T3 (pl) 2007-09-04 2008-09-02 Spiekany anizotropowy magnes R-Fe-B
JP2009531110A JP5201144B2 (ja) 2007-09-04 2008-09-02 Ｒ−Ｆｅ−Ｂ系異方性焼結磁石
CN200880011063XA CN101652820B (zh) 2007-09-04 2008-09-02 R-Fe-B系各向异性烧结磁铁
US12/671,915 US8177922B2 (en) 2007-09-04 2008-09-02 R-Fe-B anisotropic sintered magnet
ES08829605.8T ES2536189T3 (es) 2007-09-04 2008-09-02 Imán anisotrópico sinterizado de R-Fe-B
EP20080829605 EP2184747B1 (en) 2007-09-04 2008-09-02 R-fe-b anisotropic sintered magnet
BRPI0816463-0A BRPI0816463B1 (pt) 2007-09-04 2008-09-02 Magneto sinterizado anisotrópico baseado em r-fe-b

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007229113 2007-09-04
JP2007-229113 2007-09-04

Publications (1)

Publication Number Publication Date
WO2009031292A1 true WO2009031292A1 (ja) 2009-03-12

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PCT/JP2008/002399 Ceased WO2009031292A1 (ja) 2007-09-04 2008-09-02 Ｒ－Ｆｅ－Ｂ系異方性焼結磁石

Country Status (11)

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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011099471A1 (ja) * 2010-02-10 2011-08-18 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
JP2011211041A (ja) * 2010-03-30 2011-10-20 Tdk Corp 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
JP2012169464A (ja) * 2011-02-15 2012-09-06 Toyota Central R&D Labs Inc 希土類磁石およびその製造方法
JP2016514787A (ja) * 2013-03-27 2016-05-23 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング 電動モータを備えるポンプ
EP2455954A4 (en) * 2009-07-15 2016-08-31 Hitachi Metals Ltd METHOD FOR PRODUCTION OF SINTERED R-T-B MAGNETS AND SINTERED R-T-B MAGNETS
JP6003887B2 (ja) * 2011-05-17 2016-10-05 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
WO2018034264A1 (ja) * 2016-08-17 2018-02-22 日立金属株式会社 Ｒ－ｔ－ｂ系焼結磁石
JP2020150262A (ja) * 2019-03-08 2020-09-17 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石
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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2169689B1 (en) * 2007-07-02 2014-12-03 Hitachi Metals, Ltd. R-fe-b type rare earth sintered magnet and process for production of the same
PL2178096T3 (pl) * 2007-07-27 2016-06-30 Hitachi Metals Ltd Spiekany magnes typu R-Fe-B na bazie pierwiastków ziem rzadkich
PT2184747E (pt) * 2007-09-04 2015-06-01 Hitachi Metals Ltd Íman sinterizado anisotrópico de r-fe-b
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
WO2014027641A1 (ja) * 2012-08-13 2014-02-20 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
KR101543111B1 (ko) * 2013-12-17 2015-08-10 현대자동차주식회사 NdFeB 영구자석 및 그 제조방법
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
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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JPS6274048A (ja) 1985-09-27 1987-04-04 Sumitomo Special Metals Co Ltd 永久磁石材料及びその製造方法
US5383978A (en) 1992-02-15 1995-01-24 Santoku Metal Industry Co., Ltd. Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet
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EP2169689B1 (en) * 2007-07-02 2014-12-03 Hitachi Metals, Ltd. R-fe-b type rare earth sintered magnet and process for production of the same
PL2178096T3 (pl) * 2007-07-27 2016-06-30 Hitachi Metals Ltd Spiekany magnes typu R-Fe-B na bazie pierwiastków ziem rzadkich
PT2184747E (pt) * 2007-09-04 2015-06-01 Hitachi Metals Ltd Íman sinterizado anisotrópico de r-fe-b

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Publication number Priority date Publication date Assignee Title
JPS6274048A (ja) 1985-09-27 1987-04-04 Sumitomo Special Metals Co Ltd 永久磁石材料及びその製造方法
US5383978A (en) 1992-02-15 1995-01-24 Santoku Metal Industry Co., Ltd. Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet
JP2002299110A (ja) 2001-03-30 2002-10-11 Tdk Corp 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
JP2004304038A (ja) 2003-03-31 2004-10-28 Japan Science & Technology Agency 超小型製品用の微小、高性能希土類磁石とその製造方法
JP2005175138A (ja) * 2003-12-10 2005-06-30 Japan Science & Technology Agency 耐熱性希土類磁石及びその製造方法
JP2005285859A (ja) 2004-03-26 2005-10-13 Tdk Corp 希土類磁石及びその製造方法
WO2007102391A1 (ja) * 2006-03-03 2007-09-13 Hitachi Metals, Ltd. Ｒ－Ｆｅ－Ｂ系希土類焼結磁石およびその製造方法

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See also references of EP2184747A4

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2455954A4 (en) * 2009-07-15 2016-08-31 Hitachi Metals Ltd METHOD FOR PRODUCTION OF SINTERED R-T-B MAGNETS AND SINTERED R-T-B MAGNETS
CN102763180A (zh) * 2010-02-10 2012-10-31 日立金属株式会社 磁力特性计算方法、磁力特性计算装置以及计算机程序
WO2011099471A1 (ja) * 2010-02-10 2011-08-18 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
US9372244B2 (en) 2010-02-10 2016-06-21 Hitachi Metals, Ltd. Magnetic force characteristic computing method, magnetic force characteristic computing device and computer program
JP2011211041A (ja) * 2010-03-30 2011-10-20 Tdk Corp 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
JP2012169464A (ja) * 2011-02-15 2012-09-06 Toyota Central R&D Labs Inc 希土類磁石およびその製造方法
JP6003887B2 (ja) * 2011-05-17 2016-10-05 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
JP2016514787A (ja) * 2013-03-27 2016-05-23 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング 電動モータを備えるポンプ
WO2018034264A1 (ja) * 2016-08-17 2018-02-22 日立金属株式会社 Ｒ－ｔ－ｂ系焼結磁石
JPWO2018034264A1 (ja) * 2016-08-17 2018-08-30 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石
US11174537B2 (en) 2016-08-17 2021-11-16 Hitachi Metals, 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
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

Also Published As

Publication number Publication date
KR101474947B1 (ko) 2014-12-19
PL2184747T3 (pl) 2015-10-30
EP2184747B1 (en) 2015-04-22
US20110205006A1 (en) 2011-08-25
US8177922B2 (en) 2012-05-15
PT2184747E (pt) 2015-06-01
BRPI0816463A2 (pt) 2015-03-24
ES2536189T3 (es) 2015-05-21
CN101652820A (zh) 2010-02-17
HUE025146T2 (en) 2016-01-28
BRPI0816463B1 (pt) 2022-04-05
JPWO2009031292A1 (ja) 2010-12-09
CN101652820B (zh) 2012-06-27
JP5201144B2 (ja) 2013-06-05
EP2184747A4 (en) 2011-08-31
KR20100049503A (ko) 2010-05-12
EP2184747A1 (en) 2010-05-12

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