CN103843081A - 稀土类永久磁铁和稀土类永久磁铁的制造方法 - Google Patents

稀土类永久磁铁和稀土类永久磁铁的制造方法 Download PDF

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Publication number
CN103843081A
CN103843081A CN201280047635.6A CN201280047635A CN103843081A CN 103843081 A CN103843081 A CN 103843081A CN 201280047635 A CN201280047635 A CN 201280047635A CN 103843081 A CN103843081 A CN 103843081A
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Prior art keywords
magnet
permanent magnet
rare earth
sintering
molded body
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CN201280047635.6A
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English (en)
Chinese (zh)
Inventor
尾崎孝志
久米克也
奥野利昭
尾关出光
大牟礼智弘
太白启介
山本贵士
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Nitto Denko Corp
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Nitto Denko Corp
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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
    • H01F1/0536—Alloys characterised by their composition containing rare earth metals sintered
    • 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
    • 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
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/107—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing organic material comprising solvents, e.g. for slip casting
    • 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
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • B22F3/1021—Removal of binder or filler
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • H01F1/0572—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
    • 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)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CN201280047635.6A 2011-09-30 2012-09-25 稀土类永久磁铁和稀土类永久磁铁的制造方法 Pending CN103843081A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-218589 2011-09-30
JP2011218589A JP5908246B2 (ja) 2011-09-30 2011-09-30 希土類永久磁石の製造方法
PCT/JP2012/074471 WO2013047467A1 (ja) 2011-09-30 2012-09-25 希土類永久磁石及び希土類永久磁石の製造方法

Publications (1)

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CN103843081A true CN103843081A (zh) 2014-06-04

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CN201280047635.6A Pending CN103843081A (zh) 2011-09-30 2012-09-25 稀土类永久磁铁和稀土类永久磁铁的制造方法

Country Status (8)

Country Link
US (1) US20140241929A1 (https=)
EP (1) EP2763147A4 (https=)
JP (1) JP5908246B2 (https=)
KR (1) KR20140082741A (https=)
CN (1) CN103843081A (https=)
IN (1) IN2014CN01766A (https=)
TW (1) TW201330022A (https=)
WO (1) WO2013047467A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104599833A (zh) * 2015-01-16 2015-05-06 浙江和也健康科技有限公司 一种高韧性的稀土柔性磁条及其生产方法
CN107533893A (zh) * 2015-04-30 2018-01-02 株式会社Ihi 稀土类永久磁铁及稀土类永久磁铁的制造方法
CN110534331A (zh) * 2019-09-23 2019-12-03 广西科技大学 一种高磁能积、高矫顽力烧结钕铁硼磁体的制备方法
CN111331129A (zh) * 2020-04-26 2020-06-26 杭州屹通新材料股份有限公司 一种低松装密度CuSn10粉的制备方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015121913A1 (ja) * 2014-02-12 2015-08-20 日東電工株式会社 希土類永久磁石及び希土類永久磁石の製造方法
JP6511779B2 (ja) * 2014-11-12 2019-05-15 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
FR3069096B1 (fr) * 2017-07-12 2020-12-25 Commissariat Energie Atomique Procede de fabrication d'un aimant permanent
KR102398932B1 (ko) * 2018-08-31 2022-05-16 주식회사 엘지화학 자석 분말의 제조 방법 및 자석 분말

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CN101031984A (zh) * 2005-07-15 2007-09-05 株式会社新王磁材 稀土类烧结磁体及其制造方法
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CN102007556A (zh) * 2008-04-15 2011-04-06 日东电工株式会社 永久磁铁和永久磁铁的制造方法
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CN101031984A (zh) * 2005-07-15 2007-09-05 株式会社新王磁材 稀土类烧结磁体及其制造方法
JP2009064240A (ja) * 2007-09-06 2009-03-26 Seiko Epson Corp 文書管理装置、文書管理方法及び文書管理プログラム
CN102007548A (zh) * 2008-04-15 2011-04-06 日东电工株式会社 永久磁铁和永久磁铁的制造方法
CN102007555A (zh) * 2008-04-15 2011-04-06 日东电工株式会社 永久磁铁和永久磁铁的制造方法
CN102007556A (zh) * 2008-04-15 2011-04-06 日东电工株式会社 永久磁铁和永久磁铁的制造方法
CN102549680A (zh) * 2010-03-31 2012-07-04 日东电工株式会社 永久磁铁及永久磁铁的制造方法
CN102687217A (zh) * 2010-03-31 2012-09-19 日东电工株式会社 永久磁铁及永久磁铁的制造方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104599833A (zh) * 2015-01-16 2015-05-06 浙江和也健康科技有限公司 一种高韧性的稀土柔性磁条及其生产方法
CN104599833B (zh) * 2015-01-16 2017-07-04 浙江和也健康科技有限公司 一种高韧性的稀土柔性磁条及其生产方法
CN107533893A (zh) * 2015-04-30 2018-01-02 株式会社Ihi 稀土类永久磁铁及稀土类永久磁铁的制造方法
CN110534331A (zh) * 2019-09-23 2019-12-03 广西科技大学 一种高磁能积、高矫顽力烧结钕铁硼磁体的制备方法
CN111331129A (zh) * 2020-04-26 2020-06-26 杭州屹通新材料股份有限公司 一种低松装密度CuSn10粉的制备方法

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Publication number Publication date
TW201330022A (zh) 2013-07-16
WO2013047467A1 (ja) 2013-04-04
KR20140082741A (ko) 2014-07-02
JP2013080738A (ja) 2013-05-02
IN2014CN01766A (https=) 2015-05-29
JP5908246B2 (ja) 2016-04-26
EP2763147A1 (en) 2014-08-06
EP2763147A4 (en) 2015-10-14
US20140241929A1 (en) 2014-08-28

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Application publication date: 20140604