JP2002246215A - 焼結磁石 - Google Patents

焼結磁石

Info

Publication number
JP2002246215A
JP2002246215A JP2001043368A JP2001043368A JP2002246215A JP 2002246215 A JP2002246215 A JP 2002246215A JP 2001043368 A JP2001043368 A JP 2001043368A JP 2001043368 A JP2001043368 A JP 2001043368A JP 2002246215 A JP2002246215 A JP 2002246215A
Authority
JP
Japan
Prior art keywords
grain boundary
magnet
axis direction
boundary phase
easy axis
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.)
Pending
Application number
JP2001043368A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002246215A5 (enExample
Inventor
Tetsuya Hidaka
徹也 日高
Tsutomu Ishizaka
力 石坂
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.)
TDK Corp
Original Assignee
TDK 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
Application filed by TDK Corp filed Critical TDK Corp
Priority to JP2001043368A priority Critical patent/JP2002246215A/ja
Publication of JP2002246215A publication Critical patent/JP2002246215A/ja
Publication of JP2002246215A5 publication Critical patent/JP2002246215A5/ja
Pending legal-status Critical Current

Links

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
    • H01F1/047—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
JP2001043368A 2001-02-20 2001-02-20 焼結磁石 Pending JP2002246215A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001043368A JP2002246215A (ja) 2001-02-20 2001-02-20 焼結磁石

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001043368A JP2002246215A (ja) 2001-02-20 2001-02-20 焼結磁石

Publications (2)

Publication Number Publication Date
JP2002246215A true JP2002246215A (ja) 2002-08-30
JP2002246215A5 JP2002246215A5 (enExample) 2005-07-21

Family

ID=18905541

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001043368A Pending JP2002246215A (ja) 2001-02-20 2001-02-20 焼結磁石

Country Status (1)

Country Link
JP (1) JP2002246215A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005260210A (ja) * 2004-02-10 2005-09-22 Tdk Corp 希土類焼結磁石及び希土類焼結磁石の機械的強度及び耐食性の改善方法
US9583243B2 (en) 2010-09-24 2017-02-28 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
CN106847454A (zh) * 2015-12-03 2017-06-13 昭和电工株式会社 R‑t‑b系稀土烧结磁铁用合金及其制造方法和r‑t‑b系稀土烧结磁铁的制造方法
US9774234B2 (en) 2010-03-30 2017-09-26 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
WO2024227395A1 (zh) * 2023-04-29 2024-11-07 福建省金龙稀土股份有限公司 钕铁硼基材以及钕铁硼磁体的制备方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005260210A (ja) * 2004-02-10 2005-09-22 Tdk Corp 希土類焼結磁石及び希土類焼結磁石の機械的強度及び耐食性の改善方法
US9774234B2 (en) 2010-03-30 2017-09-26 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
US9583243B2 (en) 2010-09-24 2017-02-28 Kabushiki Kaisha Toshiba Permanent magnet and method for manufacturing the same, and motor and power generator using the same
CN106847454A (zh) * 2015-12-03 2017-06-13 昭和电工株式会社 R‑t‑b系稀土烧结磁铁用合金及其制造方法和r‑t‑b系稀土烧结磁铁的制造方法
US10490324B2 (en) 2015-12-03 2019-11-26 Tdk Corporation Alloy for R-T-B-based rare earth sintered magnet and manufacturing method thereof, and manufacturing method of R-T-B-based rare earth sintered magnet
CN106847454B (zh) * 2015-12-03 2020-04-14 Tdk株式会社 R-t-b系稀土烧结磁铁用合金及其制造方法和r-t-b系稀土烧结磁铁的制造方法
WO2024227395A1 (zh) * 2023-04-29 2024-11-07 福建省金龙稀土股份有限公司 钕铁硼基材以及钕铁硼磁体的制备方法

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