KR101906067B1 - R-Fe-B류 소결 자성체 제조방법 - Google Patents

R-Fe-B류 소결 자성체 제조방법 Download PDF

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Publication number
KR101906067B1
KR101906067B1 KR1020170103912A KR20170103912A KR101906067B1 KR 101906067 B1 KR101906067 B1 KR 101906067B1 KR 1020170103912 A KR1020170103912 A KR 1020170103912A KR 20170103912 A KR20170103912 A KR 20170103912A KR 101906067 B1 KR101906067 B1 KR 101906067B1
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South Korea
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layer
diffusion
rare earth
magnetic
magnetic body
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KR1020170103912A
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English (en)
Korean (ko)
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KR20180025193A (ko
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지치앙 리
콩야오 마오
메이주 샤오
홍시앙 니
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얀타이 정하이 마그네틱 머티리얼 컴퍼니 리미티드
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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
    • H01F1/055—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
    • 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
    • B22F3/10—Sintering only
    • 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
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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
    • 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
    • H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
    • 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)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
KR1020170103912A 2016-08-31 2017-08-17 R-Fe-B류 소결 자성체 제조방법 KR101906067B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610781417.5 2016-08-31
CN201610781417.5A CN106298135B (zh) 2016-08-31 2016-08-31 一种R-Fe-B类烧结磁体的制造方法

Publications (2)

Publication Number Publication Date
KR20180025193A KR20180025193A (ko) 2018-03-08
KR101906067B1 true KR101906067B1 (ko) 2018-11-30

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KR1020170103912A KR101906067B1 (ko) 2016-08-31 2017-08-17 R-Fe-B류 소결 자성체 제조방법

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Country Link
JP (1) JP6506361B2 (zh)
KR (1) KR101906067B1 (zh)
CN (1) CN106298135B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107464684B (zh) * 2017-08-30 2020-04-21 包头天和磁材科技股份有限公司 烧结磁体的处理方法
KR102411584B1 (ko) * 2018-10-22 2022-06-20 주식회사 엘지화학 소결 자석의 제조 방법 및 소결 자석
CN109390145A (zh) * 2018-10-24 2019-02-26 江西金力永磁科技股份有限公司 一种R-Fe-B类烧结磁体及其制备方法
KR102561239B1 (ko) * 2018-11-27 2023-07-31 엘지이노텍 주식회사 희토류 자석 제조방법
JP7167673B2 (ja) * 2018-12-03 2022-11-09 Tdk株式会社 Ｒ‐ｔ‐ｂ系永久磁石の製造方法
CN110172599A (zh) * 2019-05-16 2019-08-27 中国计量大学 重稀土化合物扩散制备高饱和磁化强度锰铋快淬合金方法
CN110415960B (zh) * 2019-07-19 2021-06-18 浙江东阳东磁稀土有限公司 一种提高烧结钕铁硼磁体磁性能的方法
CN112086256B (zh) * 2020-09-30 2021-08-10 福建省长汀金龙稀土有限公司 一种R-Fe-B系稀土烧结磁铁及制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62262406A (ja) * 1986-05-09 1987-11-14 Hitachi Metals Ltd 永久磁石合金粉末の製造方法
US8038807B2 (en) * 2006-01-31 2011-10-18 Hitachi Metals, Ltd. R-Fe-B rare-earth sintered magnet and process for producing the same
KR20140084275A (ko) * 2011-10-27 2014-07-04 인터메탈릭스 가부시키가이샤 NdFeB계 소결 자석의 제조 방법
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
CN105074852B (zh) * 2013-03-18 2017-09-22 因太金属株式会社 RFeB系烧结磁铁制造方法和RFeB系烧结磁铁
CN103258633B (zh) * 2013-05-30 2015-10-28 烟台正海磁性材料股份有限公司 一种R-Fe-B系烧结磁体的制备方法
CN103646773B (zh) * 2013-11-21 2016-11-09 烟台正海磁性材料股份有限公司 一种R-Fe-B类烧结磁体的制造方法
CN103646772B (zh) * 2013-11-21 2017-01-04 烟台正海磁性材料股份有限公司 一种R-Fe-B系烧结磁体的制备方法
EP3193347A4 (en) * 2014-09-11 2018-05-23 Hitachi Metals, Ltd. Production method for r-t-b sintered magnet
JP6477724B2 (ja) * 2014-12-12 2019-03-06 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法

Also Published As

Publication number Publication date
CN106298135A (zh) 2017-01-04
KR20180025193A (ko) 2018-03-08
JP6506361B2 (ja) 2019-04-24
CN106298135B (zh) 2018-05-18
JP2018082147A (ja) 2018-05-24

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