KR101165938B1 - 영구 자석 및 영구 자석의 제조 방법 - Google Patents

영구 자석 및 영구 자석의 제조 방법 Download PDF

Info

Publication number
KR101165938B1
KR101165938B1 KR1020127007160A KR20127007160A KR101165938B1 KR 101165938 B1 KR101165938 B1 KR 101165938B1 KR 1020127007160 A KR1020127007160 A KR 1020127007160A KR 20127007160 A KR20127007160 A KR 20127007160A KR 101165938 B1 KR101165938 B1 KR 101165938B1
Authority
KR
South Korea
Prior art keywords
permanent magnet
magnet
organometallic compound
sintering
powder
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
Application number
KR1020127007160A
Other languages
English (en)
Korean (ko)
Other versions
KR20120049346A (ko
Inventor
이즈미 오제끼
가쯔야 구메
게이스께 히라노
도모히로 오무레
게이스께 다이하꾸
다까시 오자끼
Original Assignee
닛토덴코 가부시키가이샤
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
Application filed by 닛토덴코 가부시키가이샤 filed Critical 닛토덴코 가부시키가이샤
Publication of KR20120049346A publication Critical patent/KR20120049346A/ko
Application granted granted Critical
Publication of KR101165938B1 publication Critical patent/KR101165938B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • 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
    • 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
    • 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
    • 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
    • H01F41/0266—Moulding; Pressing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
KR1020127007160A 2010-03-31 2011-03-28 영구 자석 및 영구 자석의 제조 방법 Expired - Fee Related KR101165938B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010082235 2010-03-31
JPJP-P-2010-082235 2010-03-31
PCT/JP2011/057571 WO2011125590A1 (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
KR20120049346A KR20120049346A (ko) 2012-05-16
KR101165938B1 true KR101165938B1 (ko) 2012-07-20

Family

ID=44762539

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020127007160A Expired - Fee Related KR101165938B1 (ko) 2010-03-31 2011-03-28 영구 자석 및 영구 자석의 제조 방법

Country Status (7)

Country Link
US (1) US8480818B2 (enExample)
EP (1) EP2506270B1 (enExample)
JP (1) JP4923149B2 (enExample)
KR (1) KR101165938B1 (enExample)
CN (1) CN102576590B (enExample)
TW (1) TW201212057A (enExample)
WO (1) WO2011125590A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014204106A1 (ko) * 2013-06-18 2014-12-24 고려대학교 산학협력단 영구 자석의 제조 방법

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR101527324B1 (ko) * 2013-06-18 2015-06-09 고려대학교 산학협력단 영구 자석의 제조 방법
CN113030113A (zh) * 2020-04-13 2021-06-25 宁波守正磁电有限公司 磁片连续送料视觉检测设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6468903A (en) * 1987-09-09 1989-03-15 Fuji Electrochemical Co Ltd Manufacture of permanent magnet
JPH01247502A (ja) * 1988-03-30 1989-10-03 Tosoh Corp 強磁性鉄粉の表面処理方法
JPH05271708A (ja) * 1992-03-27 1993-10-19 Sumitomo Metal Mining Co Ltd 射出成形用組成物
EP1260995B1 (en) * 1993-11-02 2005-03-30 TDK Corporation Preparation of permanent magnet
US5641363A (en) * 1993-12-27 1997-06-24 Tdk Corporation Sintered magnet and method for making
JP2002363607A (ja) * 2001-06-13 2002-12-18 Sumitomo Metal Mining Co Ltd 希土類系磁性粉末、その製造方法及びこれを用いた磁石
US7311788B2 (en) * 2002-09-30 2007-12-25 Tdk Corporation R-T-B system rare earth permanent magnet
JP3728316B2 (ja) 2004-01-08 2005-12-21 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系希土類永久磁石
WO2007088718A1 (ja) * 2006-01-31 2007-08-09 Hitachi Metals, Ltd. Ｒ－Ｆｅ－Ｂ系希土類焼結磁石およびその製造方法
CN101563737B (zh) * 2006-12-21 2013-03-20 株式会社爱发科 永磁铁及永磁铁的制造方法
EP2169689B1 (en) * 2007-07-02 2014-12-03 Hitachi Metals, Ltd. R-fe-b type rare earth sintered magnet and process for production of the same
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
WO2011016089A1 (ja) * 2009-08-06 2011-02-10 株式会社 東芝 永久磁石とそれを用いた可変磁束モータおよび発電機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014204106A1 (ko) * 2013-06-18 2014-12-24 고려대학교 산학협력단 영구 자석의 제조 방법

Also Published As

Publication number Publication date
JP4923149B2 (ja) 2012-04-25
EP2506270A1 (en) 2012-10-03
KR20120049346A (ko) 2012-05-16
CN102576590B (zh) 2014-04-02
WO2011125590A1 (ja) 2011-10-13
EP2506270A4 (en) 2012-11-07
TW201212057A (en) 2012-03-16
CN102576590A (zh) 2012-07-11
US8480818B2 (en) 2013-07-09
EP2506270B1 (en) 2014-12-03
JP2011228657A (ja) 2011-11-10
US20120182106A1 (en) 2012-07-19
TWI374460B (enExample) 2012-10-11

Similar Documents

Publication Publication Date Title
KR101201021B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101189856B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101189960B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101196565B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101189936B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101189840B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101165937B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101189937B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101189892B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101189923B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR20120049349A (ko) 영구 자석 및 영구 자석의 제조 방법
KR101165938B1 (ko) 영구 자석 및 영구 자석의 제조 방법
KR101196497B1 (ko) 영구 자석 및 영구 자석의 제조 방법
JP2013080739A (ja) 永久磁石及び永久磁石の製造方法
JP5501826B2 (ja) 希土類焼結磁石の製造方法
KR101192487B1 (ko) 영구 자석 및 영구 자석의 제조 방법
JP5501836B2 (ja) Ｒ−Ｆｅ−Ｂ系永久磁石

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A302 Request for accelerated examination
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0302 Request for accelerated examination

St.27 status event code: A-1-2-D10-D17-exm-PA0302

St.27 status event code: A-1-2-D10-D16-exm-PA0302

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

FPAY Annual fee payment

Payment date: 20150618

Year of fee payment: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

FPAY Annual fee payment

Payment date: 20160617

Year of fee payment: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

FPAY Annual fee payment

Payment date: 20170616

Year of fee payment: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

FPAY Annual fee payment

Payment date: 20180618

Year of fee payment: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20190710

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20190710

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000