KR20110126059A - R-t-b계 희토류 소결 자석 - Google Patents

R-t-b계 희토류 소결 자석

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Publication number
KR20110126059A
KR20110126059A KR1020110044935A KR20110044935A KR20110126059A KR 20110126059 A KR20110126059 A KR 20110126059A KR 1020110044935 A KR1020110044935 A KR 1020110044935A KR 20110044935 A KR20110044935 A KR 20110044935A KR 20110126059 A KR20110126059 A KR 20110126059A
Authority
KR
South Korea
Prior art keywords
rare earth
mass
sintered magnet
magnet
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.)
Abandoned
Application number
KR1020110044935A
Other languages
English (en)
Korean (ko)
Inventor
가즈야 후꾸이
다까히로 하시모또
Original Assignee
신에쓰 가가꾸 고교 가부시끼가이샤
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 신에쓰 가가꾸 고교 가부시끼가이샤 filed Critical 신에쓰 가가꾸 고교 가부시끼가이샤
Publication of KR20110126059A publication Critical patent/KR20110126059A/ko
Abandoned legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • H01F1/0575Alloys 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
    • H01F1/0577Alloys 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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C28/00Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/10Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0253Apparatus 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
    • H01F41/026Apparatus 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10Processes characterised by the sequence of their steps
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0253Apparatus 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
    • H01F41/0266Moulding; Pressing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
KR1020110044935A 2010-05-14 2011-05-13 R-t-b계 희토류 소결 자석 Abandoned KR20110126059A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010111743 2010-05-14
JPJP-P-2010-111743 2010-05-14

Publications (1)

Publication Number Publication Date
KR20110126059A true KR20110126059A (ko) 2011-11-22

Family

ID=44117733

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110044935A Abandoned KR20110126059A (ko) 2010-05-14 2011-05-13 R-t-b계 희토류 소결 자석

Country Status (8)

Country Link
US (1) US8298351B2 (https=)
EP (1) EP2387044B1 (https=)
JP (2) JP2011258935A (https=)
KR (1) KR20110126059A (https=)
CN (1) CN102360654B (https=)
PH (1) PH12011000150A1 (https=)
RU (1) RU2559035C2 (https=)
TW (1) TWI476791B (https=)

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CN104137197B (zh) * 2012-02-13 2015-08-19 Tdk株式会社 R-t-b系烧结磁体
MY168281A (en) * 2012-04-11 2018-10-19 Shinetsu Chemical Co Rare earth sintered magnet and making method
JP6119548B2 (ja) * 2012-10-17 2017-04-26 信越化学工業株式会社 希土類焼結磁石の製造方法
CN103258634B (zh) * 2013-05-30 2015-11-25 烟台正海磁性材料股份有限公司 一种制备高性能R-Fe-B系烧结磁体方法
TWI476793B (zh) * 2013-05-30 2015-03-11 China Steel Corp 釹鐵硼磁石及其製造方法
DE112014003126T5 (de) * 2013-07-03 2016-03-17 Tdk Corporation R-T-B-basierter gesinterter Magnet
JP6274216B2 (ja) * 2013-08-09 2018-02-07 Tdk株式会社 R−t−b系焼結磁石、および、モータ
DE112014003678T5 (de) * 2013-08-09 2016-04-21 Tdk Corporation Sintermagnet auf R-T-B Basis und Motor
CN105474333B (zh) * 2013-08-09 2018-01-02 Tdk株式会社 R‑t‑b系烧结磁铁以及旋转电机
CN105453196B (zh) * 2013-08-09 2017-12-22 Tdk株式会社 R‑t‑b系烧结磁铁以及电动机
WO2015022945A1 (ja) * 2013-08-12 2015-02-19 日立金属株式会社 R-t-b系焼結磁石
CN103871704B (zh) * 2014-03-04 2016-03-09 南京信息工程大学 一种钕铁氮磷永磁材料及制备方法
JP2015228431A (ja) * 2014-06-02 2015-12-17 インターメタリックス株式会社 RFeB系磁石及びRFeB系磁石の製造方法
JP6572550B2 (ja) * 2015-02-04 2019-09-11 Tdk株式会社 R−t−b系焼結磁石
CN106024235B (zh) * 2015-03-30 2020-01-17 日立金属株式会社 R-t-b系烧结磁体
JP6604381B2 (ja) * 2015-07-29 2019-11-13 日立金属株式会社 希土類系焼結磁石の製造方法
CN106448985A (zh) * 2015-09-28 2017-02-22 厦门钨业股份有限公司 一种复合含有Pr和W的R‑Fe‑B系稀土烧结磁铁
JP6488976B2 (ja) * 2015-10-07 2019-03-27 Tdk株式会社 R−t−b系焼結磁石
JP6614084B2 (ja) * 2016-09-26 2019-12-04 信越化学工業株式会社 R−Fe−B系焼結磁石の製造方法
JP6894305B2 (ja) * 2016-12-28 2021-06-30 トヨタ自動車株式会社 希土類磁石及びその製造方法
JP7056264B2 (ja) * 2017-03-22 2022-04-19 Tdk株式会社 R-t-b系希土類磁石
JP7247548B2 (ja) * 2017-12-28 2023-03-29 トヨタ自動車株式会社 希土類磁石及びその製造方法
CN108922710B (zh) * 2018-07-18 2020-03-20 钢铁研究总院 一种高韧性、高矫顽力含Ce烧结稀土永磁体及其制备方法
CN109576557A (zh) * 2018-10-08 2019-04-05 柳州凯通新材料科技有限公司 一种高磁能积高速无刷电机电芯材料及其制备方法
JP7196708B2 (ja) * 2019-03-18 2022-12-27 Tdk株式会社 R‐t‐b系永久磁石
CN111081444B (zh) * 2019-12-31 2021-11-26 厦门钨业股份有限公司 R-t-b系烧结磁体及其制备方法
CN111180159B (zh) * 2019-12-31 2021-12-17 厦门钨业股份有限公司 一种钕铁硼永磁材料、制备方法、应用
CN112795860B (zh) * 2020-04-27 2022-04-26 天津京磁电子元件制造有限公司 烧结钕铁硼磁体表面耐蚀防护涂层的制备方法
US20210366635A1 (en) * 2020-05-19 2021-11-25 Shin-Etsu Chemical Co., Ltd. Rare earth sintered magnet and making method
CN112802650B (zh) * 2020-12-30 2023-01-10 包头天和磁材科技股份有限公司 钐钴磁体及其制备方法和钛的用途
CN115188551B (zh) * 2022-07-26 2025-07-25 宁波大缙华磁性材料有限公司 一种耐腐蚀的烧结钕铁硼磁材及其制备工艺和由该钕铁硼磁材制成的圆柱体磁块
CN116779268A (zh) * 2023-06-15 2023-09-19 钢铁研究总院有限公司 一种高耐蚀不锈烧结钕铁硼磁体及其制备方法

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JP5120710B2 (ja) * 2008-06-13 2013-01-16 日立金属株式会社 RL−RH−T−Mn−B系焼結磁石

Also Published As

Publication number Publication date
JP6090596B2 (ja) 2017-03-08
JP2011258935A (ja) 2011-12-22
EP2387044B1 (en) 2014-11-26
RU2011119505A (ru) 2012-11-20
CN102360654A (zh) 2012-02-22
EP2387044A1 (en) 2011-11-16
US8298351B2 (en) 2012-10-30
RU2559035C2 (ru) 2015-08-10
CN102360654B (zh) 2016-01-20
TWI476791B (zh) 2015-03-11
JP2015053517A (ja) 2015-03-19
PH12011000150A1 (en) 2015-02-27
TW201222575A (en) 2012-06-01
US20110279205A1 (en) 2011-11-17

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