JP2011258935A - Ｒ−ｔ−ｂ系希土類焼結磁石 - Google Patents

Ｒ−ｔ−ｂ系希土類焼結磁石 Download PDF

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Publication number
JP2011258935A
JP2011258935A JP2011099465A JP2011099465A JP2011258935A JP 2011258935 A JP2011258935 A JP 2011258935A JP 2011099465 A JP2011099465 A JP 2011099465A JP 2011099465 A JP2011099465 A JP 2011099465A JP 2011258935 A JP2011258935 A JP 2011258935A
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Japan
Prior art keywords
rare earth
mass
sintered magnet
magnet
phase
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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.)
Withdrawn
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JP2011099465A
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English (en)
Japanese (ja)
Inventor
Kazuya Fukui
和也 福井
Takahiro Hashimoto
貴弘 橋本
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.)
Shin Etsu Chemical Co Ltd
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Shin Etsu Chemical Co Ltd
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Priority to JP2011099465A priority Critical patent/JP2011258935A/ja
Publication of JP2011258935A publication Critical patent/JP2011258935A/ja
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

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  • 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)
JP2011099465A 2010-05-14 2011-04-27 Ｒ−ｔ−ｂ系希土類焼結磁石 Withdrawn JP2011258935A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011099465A JP2011258935A (ja) 2010-05-14 2011-04-27 Ｒ−ｔ−ｂ系希土類焼結磁石

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010111743 2010-05-14
JP2010111743 2010-05-14
JP2011099465A JP2011258935A (ja) 2010-05-14 2011-04-27 Ｒ−ｔ−ｂ系希土類焼結磁石

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Publications (1)

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JP2011258935A true JP2011258935A (ja) 2011-12-22

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JP2014234317A Active JP6090596B2 (ja) 2010-05-14 2014-11-19 Ｎｄ−Ｆｅ−Ｂ系希土類焼結磁石

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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130115151A (ko) * 2012-04-11 2013-10-21 신에쓰 가가꾸 고교 가부시끼가이샤 희토류 소결 자석 및 그 제조 방법
WO2015002280A1 (ja) * 2013-07-03 2015-01-08 Tdk株式会社 Ｒ－ｔ－ｂ系焼結磁石
WO2015020181A1 (ja) * 2013-08-09 2015-02-12 Tdk株式会社 Ｒ－ｔ－ｂ系焼結磁石、および、モータ
WO2015020180A1 (ja) * 2013-08-09 2015-02-12 Tdk株式会社 Ｒ－ｔ－ｂ系焼結磁石、および回転機
JPWO2015020182A1 (ja) * 2013-08-09 2017-03-02 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石、および、モータ
JPWO2015020183A1 (ja) * 2013-08-09 2017-03-02 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石、および、モータ
CN112802650A (zh) * 2020-12-30 2021-05-14 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
JP2021533557A (ja) * 2018-07-18 2021-12-02 セントラル アイロン アンド スチール リサーチ インスティテュート 高い耐久性および高い保磁力を有するＣｅ含有焼結希土類永久磁石、およびその調製方法
JP2023504930A (ja) * 2019-12-31 2023-02-07 フージャン チャンティン ゴールデン ドラゴン レア－アース カンパニー リミテッド ネオジム鉄ホウ素永久磁石材料、製造方法、並びに応用
JP2023504931A (ja) * 2019-12-31 2023-02-07 フージャン チャンティン ゴールデン ドラゴン レア－アース カンパニー リミテッド Ｒ－ｔ－ｂ系焼結磁石及びその製造方法

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* Cited by examiner, † Cited by third party
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JP5397575B1 (ja) * 2012-02-13 2014-01-22 Ｔｄｋ株式会社 Ｒ−ｔ−ｂ系焼結磁石
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
TWI476793B (zh) * 2013-05-30 2015-03-11 China Steel Corp 釹鐵硼磁石及其製造方法
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
US10847290B2 (en) 2013-08-12 2020-11-24 Hitachi Metals, Ltd. R-T-B based sintered magnet
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
WO2017018252A1 (ja) * 2015-07-29 2017-02-02 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
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
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
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

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JPH01220803A (ja) * 1988-02-29 1989-09-04 Sumitomo Special Metals Co Ltd 磁気異方性焼結磁石とその製造方法
JPH024939A (ja) * 1987-10-08 1990-01-09 Kawasaki Steel Corp 希土類―遷移金属系磁石合金
JP2004006767A (ja) * 2002-03-29 2004-01-08 Tdk Corp 永久磁石
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JP2009084626A (ja) * 2007-09-28 2009-04-23 Hitachi Metals Ltd Ｒ−ｔ−ｂ系焼結永久磁石用急冷合金およびそれを用いたｒ−ｔ−ｂ系焼結永久磁石
JP2009302318A (ja) * 2008-06-13 2009-12-24 Hitachi Metals Ltd ＲＬ−ＲＨ−Ｔ−Ｍｎ−Ｂ系焼結磁石

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JPH01220803A (ja) * 1988-02-29 1989-09-04 Sumitomo Special Metals Co Ltd 磁気異方性焼結磁石とその製造方法
JP2004006767A (ja) * 2002-03-29 2004-01-08 Tdk Corp 永久磁石
JP2007165607A (ja) * 2005-12-14 2007-06-28 Neomax Co Ltd 永久磁石の製造方法
JP2009084626A (ja) * 2007-09-28 2009-04-23 Hitachi Metals Ltd Ｒ−ｔ−ｂ系焼結永久磁石用急冷合金およびそれを用いたｒ−ｔ−ｂ系焼結永久磁石
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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130115151A (ko) * 2012-04-11 2013-10-21 신에쓰 가가꾸 고교 가부시끼가이샤 희토류 소결 자석 및 그 제조 방법
JP2013236071A (ja) * 2012-04-11 2013-11-21 Shin Etsu Chem Co Ltd 希土類焼結磁石及びその製造方法
KR102028607B1 (ko) * 2012-04-11 2019-10-04 신에쓰 가가꾸 고교 가부시끼가이샤 희토류 소결 자석 및 그 제조 방법
US10074477B2 (en) 2012-04-11 2018-09-11 Shin-Etsu Chemical Co., Ltd. Rare earth sintered magnet and making method
JPWO2015002280A1 (ja) * 2013-07-03 2017-02-23 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
US10096410B2 (en) 2013-07-03 2018-10-09 Tdk Corporation R-T-B based sintered magnet
WO2015002280A1 (ja) * 2013-07-03 2015-01-08 Tdk株式会社 Ｒ－ｔ－ｂ系焼結磁石
US10410777B2 (en) 2013-08-09 2019-09-10 Tdk Corporation R-T-B based sintered magnet and motor
JPWO2015020182A1 (ja) * 2013-08-09 2017-03-02 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石、および、モータ
JPWO2015020181A1 (ja) * 2013-08-09 2017-03-02 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石、および、モータ
WO2015020181A1 (ja) * 2013-08-09 2015-02-12 Tdk株式会社 Ｒ－ｔ－ｂ系焼結磁石、および、モータ
JPWO2015020183A1 (ja) * 2013-08-09 2017-03-02 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石、および、モータ
US10256015B2 (en) 2013-08-09 2019-04-09 Tdk Corporation R-t-b based sintered magnet and rotating machine
WO2015020180A1 (ja) * 2013-08-09 2015-02-12 Tdk株式会社 Ｒ－ｔ－ｂ系焼結磁石、および回転機
JPWO2015020180A1 (ja) * 2013-08-09 2017-03-02 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石、および回転機
JP2021533557A (ja) * 2018-07-18 2021-12-02 セントラル アイロン アンド スチール リサーチ インスティテュート 高い耐久性および高い保磁力を有するＣｅ含有焼結希土類永久磁石、およびその調製方法
JP7170833B2 (ja) 2018-07-18 2022-11-14 セントラル アイロン アンド スチール リサーチ インスティテュート 高い耐久性および高い保磁力を有するＣｅ含有焼結希土類永久磁石、およびその調製方法
JP2023504930A (ja) * 2019-12-31 2023-02-07 フージャン チャンティン ゴールデン ドラゴン レア－アース カンパニー リミテッド ネオジム鉄ホウ素永久磁石材料、製造方法、並びに応用
JP2023504931A (ja) * 2019-12-31 2023-02-07 フージャン チャンティン ゴールデン ドラゴン レア－アース カンパニー リミテッド Ｒ－ｔ－ｂ系焼結磁石及びその製造方法
JP7312915B2 (ja) 2019-12-31 2023-07-21 フージャン チャンティン ゴールデン ドラゴン レア－アース カンパニー リミテッド ネオジム鉄ホウ素永久磁石材料、製造方法、並びに応用
JP7312916B2 (ja) 2019-12-31 2023-07-21 フージャン チャンティン ゴールデン ドラゴン レア－アース カンパニー リミテッド Ｒ－ｔ－ｂ系焼結磁石及びその製造方法
CN112802650A (zh) * 2020-12-30 2021-05-14 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

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