KR101201021B1 - 영구 자석 및 영구 자석의 제조 방법 - Google Patents

영구 자석 및 영구 자석의 제조 방법 Download PDF

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Publication number
KR101201021B1
KR101201021B1 KR1020127007161A KR20127007161A KR101201021B1 KR 101201021 B1 KR101201021 B1 KR 101201021B1 KR 1020127007161 A KR1020127007161 A KR 1020127007161A KR 20127007161 A KR20127007161 A KR 20127007161A KR 101201021 B1 KR101201021 B1 KR 101201021B1
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South Korea
Prior art keywords
permanent magnet
magnet
organometallic compound
sintering
formula
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Expired - Fee Related
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English (en)
Korean (ko)
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KR20120049347A (ko
Inventor
이즈미 오제끼
가쯔야 구메
게이스께 히라노
도모히로 오무레
게이스께 다이하꾸
다까시 오자끼
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닛토덴코 가부시키가이샤
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    • 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
    • H01F1/086Magnets 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 sintered
    • 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
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/16Metallic particles coated with a non-metal
    • 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
    • B22F3/12Both compacting and sintering
    • 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
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • 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
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • H01F1/0572Alloys 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 with a protective layer
    • 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
    • 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
    • H01F41/0266Moulding; Pressing
    • 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
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/042Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling using a particular milling fluid
    • 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
    • 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
    • B22F2999/00Aspects linked to processes or compositions used in powder metallurgy

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
KR1020127007161A 2010-03-31 2011-03-28 영구 자석 및 영구 자석의 제조 방법 Expired - Fee Related KR101201021B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010084206 2010-03-31
JPJP-P-2010-084206 2010-03-31
PCT/JP2011/057572 WO2011125591A1 (ja) 2010-03-31 2011-03-28 永久磁石及び永久磁石の製造方法

Publications (2)

Publication Number Publication Date
KR20120049347A KR20120049347A (ko) 2012-05-16
KR101201021B1 true KR101201021B1 (ko) 2012-11-14

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KR1020127007161A Expired - Fee Related KR101201021B1 (ko) 2010-03-31 2011-03-28 영구 자석 및 영구 자석의 제조 방법

Country Status (7)

Country Link
US (1) US9053846B2 (enExample)
EP (1) EP2503563B1 (enExample)
JP (2) JP4923152B2 (enExample)
KR (1) KR101201021B1 (enExample)
CN (1) CN102549680A (enExample)
TW (2) TW201212058A (enExample)
WO (1) WO2011125591A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5417632B2 (ja) 2008-03-18 2014-02-19 日東電工株式会社 永久磁石及び永久磁石の製造方法
US8480816B2 (en) * 2010-03-31 2013-07-09 Nitto Denko Corporation Permanent magnet and manufacturing method thereof
JP4923150B2 (ja) * 2010-03-31 2012-04-25 日東電工株式会社 永久磁石及び永久磁石の製造方法
JP4923147B2 (ja) * 2010-03-31 2012-04-25 日東電工株式会社 永久磁石及び永久磁石の製造方法
WO2011125586A1 (ja) * 2010-03-31 2011-10-13 日東電工株式会社 永久磁石及び永久磁石の製造方法
JP5011420B2 (ja) * 2010-05-14 2012-08-29 日東電工株式会社 永久磁石及び永久磁石の製造方法
JP5908246B2 (ja) * 2011-09-30 2016-04-26 日東電工株式会社 希土類永久磁石の製造方法
JP5908247B2 (ja) * 2011-09-30 2016-04-26 日東電工株式会社 永久磁石の製造方法
WO2013100010A1 (ja) 2011-12-27 2013-07-04 インターメタリックス株式会社 NdFeB系焼結磁石
WO2013100009A1 (ja) * 2011-12-27 2013-07-04 インターメタリックス株式会社 NdFeB系焼結磁石
CN103650072B (zh) 2011-12-27 2016-08-17 因太金属株式会社 NdFeB系烧结磁体
JP5400255B1 (ja) 2011-12-27 2014-01-29 インターメタリックス株式会社 NdFeB系焼結磁石及び該NdFeB系焼結磁石の製造方法
US9963344B2 (en) * 2015-01-21 2018-05-08 National Technology & Engineering Solution of Sandia, LLC Method to synthesize bulk iron nitride
WO2018088393A1 (ja) * 2016-11-09 2018-05-17 Tdk株式会社 希土類磁石の製造方法
CN112750612B (zh) * 2020-02-17 2022-08-05 北京京磁电工科技有限公司 钕铁硼表面渗透铽或镝的工艺方法
CN112768169B (zh) * 2020-12-30 2023-01-10 包头天和磁材科技股份有限公司 预制品及其制备方法和耐腐蚀磁体的生产方法及用途

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1064746A (ja) * 1996-08-23 1998-03-06 Sumitomo Special Metals Co Ltd 薄肉R−Fe−B系焼結磁石の製造方法
JP2005191187A (ja) * 2003-12-25 2005-07-14 Nissan Motor Co Ltd 希土類磁石およびその製造方法
WO2009116532A1 (ja) * 2008-03-18 2009-09-24 日東電工株式会社 永久磁石及び永久磁石の製造方法

Family Cites Families (9)

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JP3298219B2 (ja) 1993-03-17 2002-07-02 日立金属株式会社 希土類―Fe−Co−Al−V−Ga−B系焼結磁石
JPH07263265A (ja) * 1994-03-18 1995-10-13 Hitachi Metals Ltd 希土類金属間化合物永久磁石およびその製造方法
JP4525072B2 (ja) * 2003-12-22 2010-08-18 日産自動車株式会社 希土類磁石およびその製造方法
TWI302712B (en) * 2004-12-16 2008-11-01 Japan Science & Tech Agency Nd-fe-b base magnet including modified grain boundaries and method for manufacturing the same
JP2006270087A (ja) * 2005-02-28 2006-10-05 Tdk Corp 希土類焼結磁石の製造方法
JP4635832B2 (ja) * 2005-11-08 2011-02-23 日立金属株式会社 希土類焼結磁石の製造方法
CN101031984B (zh) * 2005-07-15 2011-12-21 日立金属株式会社 稀土类烧结磁体及其制造方法
JP4692634B2 (ja) * 2007-03-30 2011-06-01 Tdk株式会社 磁石の製造方法
JP5266523B2 (ja) * 2008-04-15 2013-08-21 日東電工株式会社 永久磁石及び永久磁石の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1064746A (ja) * 1996-08-23 1998-03-06 Sumitomo Special Metals Co Ltd 薄肉R−Fe−B系焼結磁石の製造方法
JP2005191187A (ja) * 2003-12-25 2005-07-14 Nissan Motor Co Ltd 希土類磁石およびその製造方法
WO2009116532A1 (ja) * 2008-03-18 2009-09-24 日東電工株式会社 永久磁石及び永久磁石の製造方法

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EP2503563B1 (en) 2015-01-21
CN102549680A (zh) 2012-07-04
JP4923152B2 (ja) 2012-04-25
EP2503563A1 (en) 2012-09-26
JP2012119693A (ja) 2012-06-21
JP4923163B1 (ja) 2012-04-25
EP2503563A4 (en) 2012-11-07
TWI378476B (enExample) 2012-12-01
WO2011125591A1 (ja) 2011-10-13
US20120181475A1 (en) 2012-07-19
TW201241846A (en) 2012-10-16
TW201212058A (en) 2012-03-16
JP2011228664A (ja) 2011-11-10
US9053846B2 (en) 2015-06-09
TWI378477B (enExample) 2012-12-01
KR20120049347A (ko) 2012-05-16

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