JP5640954B2 - 希土類磁石の製造方法 - Google Patents

希土類磁石の製造方法 Download PDF

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Publication number
JP5640954B2
JP5640954B2 JP2011248923A JP2011248923A JP5640954B2 JP 5640954 B2 JP5640954 B2 JP 5640954B2 JP 2011248923 A JP2011248923 A JP 2011248923A JP 2011248923 A JP2011248923 A JP 2011248923A JP 5640954 B2 JP5640954 B2 JP 5640954B2
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JP
Japan
Prior art keywords
alloy
rare earth
earth magnet
grain boundary
boundary phase
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.)
Expired - Fee Related
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JP2011248923A
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English (en)
Japanese (ja)
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JP2013105903A5 (2
JP2013105903A (ja
Inventor
哲也 庄司
哲也 庄司
真也 大村
真也 大村
平岡　基記
基記 平岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
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Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to JP2011248923A priority Critical patent/JP5640954B2/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to PCT/IB2012/002248 priority patent/WO2013072728A1/en
Priority to CN201280055397.3A priority patent/CN103946931A/zh
Priority to US14/355,389 priority patent/US20140308441A1/en
Priority to DE112012004741.9T priority patent/DE112012004741T5/de
Priority to KR1020147012659A priority patent/KR101548274B1/ko
Publication of JP2013105903A publication Critical patent/JP2013105903A/ja
Publication of JP2013105903A5 publication Critical patent/JP2013105903A5/ja
Application granted granted Critical
Publication of JP5640954B2 publication Critical patent/JP5640954B2/ja
Expired - Fee Related legal-status Critical Current
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    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/11—Making amorphous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/07—Metallic powder characterised by particles having a nanoscale microstructure
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical 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)
JP2011248923A 2011-11-14 2011-11-14 希土類磁石の製造方法 Expired - Fee Related JP5640954B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2011248923A JP5640954B2 (ja) 2011-11-14 2011-11-14 希土類磁石の製造方法
CN201280055397.3A CN103946931A (zh) 2011-11-14 2012-11-07 稀土磁体制造方法
US14/355,389 US20140308441A1 (en) 2011-11-14 2012-11-07 Method of manufacturing rare-earth magnets
DE112012004741.9T DE112012004741T5 (de) 2011-11-14 2012-11-07 Herstellungsverfahren von Seltenerdmagneten
PCT/IB2012/002248 WO2013072728A1 (en) 2011-11-14 2012-11-07 Method of manufacturing rare-earth magnets
KR1020147012659A KR101548274B1 (ko) 2011-11-14 2012-11-07 희토류 자석의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011248923A JP5640954B2 (ja) 2011-11-14 2011-11-14 希土類磁石の製造方法

Publications (3)

Publication Number Publication Date
JP2013105903A JP2013105903A (ja) 2013-05-30
JP2013105903A5 JP2013105903A5 (2) 2013-12-12
JP5640954B2 true JP5640954B2 (ja) 2014-12-17

Family

ID=47222154

Family Applications (1)

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JP2011248923A Expired - Fee Related JP5640954B2 (ja) 2011-11-14 2011-11-14 希土類磁石の製造方法

Country Status (6)

Country Link
US (1) US20140308441A1 (2)
JP (1) JP5640954B2 (2)
KR (1) KR101548274B1 (2)
CN (1) CN103946931A (2)
DE (1) DE112012004741T5 (2)
WO (1) WO2013072728A1 (2)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101542539B1 (ko) 2011-11-14 2015-08-06 도요타 지도샤（주） 희토류 자석과 그 제조 방법
JP5790617B2 (ja) 2012-10-18 2015-10-07 トヨタ自動車株式会社 希土類磁石の製造方法
CN109300640B (zh) 2013-06-05 2021-03-09 丰田自动车株式会社 稀土磁体及其制造方法
JP5915637B2 (ja) * 2013-12-19 2016-05-11 トヨタ自動車株式会社 希土類磁石の製造方法
JP5924335B2 (ja) 2013-12-26 2016-05-25 トヨタ自動車株式会社 希土類磁石とその製造方法
JP5983598B2 (ja) 2013-12-27 2016-08-31 トヨタ自動車株式会社 希土類磁石の製造方法
JP6003920B2 (ja) * 2014-02-12 2016-10-05 トヨタ自動車株式会社 希土類磁石の製造方法
JP5884957B1 (ja) * 2014-04-25 2016-03-15 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
CN107077935A (zh) * 2014-12-08 2017-08-18 Lg电子株式会社 包含非磁性合金的热压变形的磁体及其制造方法
DE102015015930A1 (de) * 2015-12-09 2017-06-14 Wolfgang Kochanek Verfahren zur Herstellung magnetischer Werkstoffe
JP6717231B2 (ja) * 2017-02-28 2020-07-01 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
JP6717230B2 (ja) * 2017-02-28 2020-07-01 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
DE102018105250A1 (de) * 2018-03-07 2019-09-12 Technische Universität Darmstadt Verfahren zur Herstellung eines Permanentmagnets oder eines hartmagnetischen Materials
KR102561239B1 (ko) * 2018-11-27 2023-07-31 엘지이노텍 주식회사 희토류 자석 제조방법
JP7216957B2 (ja) * 2019-02-14 2023-02-02 大同特殊鋼株式会社 希土類磁石の製造方法
JP2021082622A (ja) * 2019-11-14 2021-05-27 大同特殊鋼株式会社 希土類磁石および希土類磁石の製造方法
CN113871122B (zh) * 2021-09-24 2024-11-15 烟台东星磁性材料股份有限公司 低重稀土磁体及制造方法
CN113871121B (zh) * 2021-09-24 2024-12-03 烟台东星磁性材料股份有限公司 耐高温磁体及其制造方法
CN121241411A (zh) * 2023-06-05 2025-12-30 Lg 伊诺特有限公司 永磁体

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Also Published As

Publication number Publication date
CN103946931A (zh) 2014-07-23
KR20140089544A (ko) 2014-07-15
DE112012004741T5 (de) 2014-07-31
WO2013072728A1 (en) 2013-05-23
US20140308441A1 (en) 2014-10-16
WO2013072728A8 (en) 2013-07-25
KR101548274B1 (ko) 2015-08-28
JP2013105903A (ja) 2013-05-30

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