JP4923152B2 - 永久磁石及び永久磁石の製造方法 - Google Patents

永久磁石及び永久磁石の製造方法 Download PDF

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Publication number
JP4923152B2
JP4923152B2 JP2011069072A JP2011069072A JP4923152B2 JP 4923152 B2 JP4923152 B2 JP 4923152B2 JP 2011069072 A JP2011069072 A JP 2011069072A JP 2011069072 A JP2011069072 A JP 2011069072A JP 4923152 B2 JP4923152 B2 JP 4923152B2
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Japan
Prior art keywords
magnet
permanent magnet
sintering
organometallic compound
carbon
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JP2011069072A
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Japanese (ja)
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JP2011228664A (ja
Inventor
出光 尾関
克也 久米
敬祐 平野
智弘 大牟礼
啓介 太白
孝志 尾崎
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Nitto Denko Corp
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Nitto Denko Corp
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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
    • H01F1/06—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
    • H01F1/086—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 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/16—Metallic particles coated with a non-metal
    • 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
    • B22F3/12—Both compacting and sintering
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • H01F1/0572—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 with a protective layer
    • 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
    • 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
    • H01F41/0266—Moulding; Pressing
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/042—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling using a particular milling fluid
    • 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
    • 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

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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)
JP2011069072A 2010-03-31 2011-03-28 永久磁石及び永久磁石の製造方法 Expired - Fee Related JP4923152B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011069072A JP4923152B2 (ja) 2010-03-31 2011-03-28 永久磁石及び永久磁石の製造方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010084206 2010-03-31
JP2010084206 2010-03-31
JP2011069072A JP4923152B2 (ja) 2010-03-31 2011-03-28 永久磁石及び永久磁石の製造方法

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JP2011228664A JP2011228664A (ja) 2011-11-10
JP4923152B2 true JP4923152B2 (ja) 2012-04-25

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JP2011281574A Expired - Fee Related JP4923163B1 (ja) 2010-03-31 2011-12-22 永久磁石及び永久磁石の製造方法

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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
KR101165937B1 (ko) * 2010-03-31 2012-07-20 닛토덴코 가부시키가이샤 영구 자석 및 영구 자석의 제조 방법
CN102576602A (zh) * 2010-03-31 2012-07-11 日东电工株式会社 永久磁铁及永久磁铁的制造方法
WO2011125584A1 (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
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
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
EP2693450B1 (en) * 2011-12-27 2017-03-22 Intermetallics Co., Ltd. Sintered neodymium magnet
JP5553461B2 (ja) 2011-12-27 2014-07-16 インターメタリックス株式会社 ＮｄＦｅＢ系焼結磁石
KR101338663B1 (ko) * 2011-12-27 2013-12-06 인터메탈릭스 가부시키가이샤 NdFeB계 소결 자석 및 상기 NdFeB계 소결 자석의 제조 방법
KR101485281B1 (ko) 2011-12-27 2015-01-21 인터메탈릭스 가부시키가이샤 NdFeB계 소결 자석
US9963344B2 (en) * 2015-01-21 2018-05-08 National Technology & Engineering Solution of Sandia, LLC Method to synthesize bulk iron nitride
JP6780707B2 (ja) * 2016-11-09 2020-11-04 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

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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
JP3393018B2 (ja) * 1996-08-23 2003-04-07 住友特殊金属株式会社 薄肉Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法
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
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
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
US9551052B2 (en) 2005-07-15 2017-01-24 Hitachi Metals, Ltd. Rare earth sintered magnet and method for production thereof
JP4692634B2 (ja) * 2007-03-30 2011-06-01 Ｔｄｋ株式会社 磁石の製造方法
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
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

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Publication number Publication date
JP4923163B1 (ja) 2012-04-25
EP2503563B1 (en) 2015-01-21
JP2011228664A (ja) 2011-11-10
EP2503563A1 (en) 2012-09-26
JP2012119693A (ja) 2012-06-21
TW201241846A (en) 2012-10-16
EP2503563A4 (en) 2012-11-07
CN102549680A (zh) 2012-07-04
US20120181475A1 (en) 2012-07-19
TWI378477B (enExample) 2012-12-01
WO2011125591A1 (ja) 2011-10-13
TW201212058A (en) 2012-03-16
KR101201021B1 (ko) 2012-11-14
US9053846B2 (en) 2015-06-09
TWI378476B (enExample) 2012-12-01
KR20120049347A (ko) 2012-05-16

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