KR101185930B1 - 자기이방성 희토류 소결자석의 제조방법 및 제조장치 - Google Patents

자기이방성 희토류 소결자석의 제조방법 및 제조장치 Download PDF

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Publication number
KR101185930B1
KR101185930B1 KR1020077000697A KR20077000697A KR101185930B1 KR 101185930 B1 KR101185930 B1 KR 101185930B1 KR 1020077000697 A KR1020077000697 A KR 1020077000697A KR 20077000697 A KR20077000697 A KR 20077000697A KR 101185930 B1 KR101185930 B1 KR 101185930B1
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South Korea
Prior art keywords
mold
rare earth
producing
sintered magnet
earth sintered
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KR20070043782A (ko
Inventor
마사토 사가와
히로시 나가타
오사무 이타타니
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인터메탈릭스 가부시키가이샤
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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
    • 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
    • H01F41/0206Manufacturing of magnetic cores by mechanical means
    • H01F41/0246Manufacturing of magnetic circuits by moulding or by pressing powder
    • 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
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/1017Multiple heating or additional steps
    • B22F3/1021Removal of binder or filler
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/02Making ferrous alloys by powder metallurgy
    • C22C33/0257Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • 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
    • C22C38/06Ferrous 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
    • C22C38/10Ferrous alloys, e.g. steel alloys containing cobalt
    • 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
    • H01F41/0273Imparting anisotropy
    • 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
    • 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
    • H01F1/0555Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
KR1020077000697A 2004-07-01 2005-06-30 자기이방성 희토류 소결자석의 제조방법 및 제조장치 Expired - Fee Related KR101185930B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004195935A JP4391897B2 (ja) 2004-07-01 2004-07-01 磁気異方性希土類焼結磁石の製造方法及び製造装置
JPJP-P-2004-00195935 2004-07-01
PCT/JP2005/012123 WO2006004014A1 (ja) 2004-07-01 2005-06-30 磁気異方性希土類焼結磁石の製造方法及び製造装置

Publications (2)

Publication Number Publication Date
KR20070043782A KR20070043782A (ko) 2007-04-25
KR101185930B1 true KR101185930B1 (ko) 2012-09-26

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Country Status (7)

Country Link
US (2) US8545641B2 (enExample)
EP (3) EP2597660A3 (enExample)
JP (1) JP4391897B2 (enExample)
KR (1) KR101185930B1 (enExample)
CN (1) CN1969347B (enExample)
TW (1) TW200609061A (enExample)
WO (1) WO2006004014A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102198637B1 (ko) * 2020-02-20 2021-01-05 권인혁 페라이트 자석의 제조장치
KR102198636B1 (ko) * 2020-02-25 2021-01-15 권인혁 페라이트 자석의 제조방법

Families Citing this family (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4391897B2 (ja) * 2004-07-01 2009-12-24 インターメタリックス株式会社 磁気異方性希土類焼結磁石の製造方法及び製造装置
JP2008045148A (ja) * 2006-08-10 2008-02-28 Nippon Ceramic Co Ltd 磁石の製造方法と製造装置
EP2017859B1 (en) * 2007-07-20 2012-08-29 Siemens Aktiengesellschaft Magnet pole piece and method for its manufacturing
JP4879843B2 (ja) 2007-08-20 2012-02-22 インターメタリックス株式会社 NdFeB系焼結磁石の製造方法およびNdFeB焼結磁石製造用モールド
JP5308023B2 (ja) * 2007-12-28 2013-10-09 インターメタリックス株式会社 焼結磁石製造装置
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
US8510942B2 (en) * 2008-10-08 2013-08-20 GM Global Technology Operations LLC Camshaft lobe and method of making same
EP2348518B1 (en) * 2008-11-06 2016-08-24 Intermetallics Co., Ltd. Method for producing sintered rare earth magnet
JP5359513B2 (ja) * 2009-04-23 2013-12-04 日立金属株式会社 R−tm−b系ラジアル異方性リング磁石の製造方法
JP5475325B2 (ja) 2009-05-22 2014-04-16 インターメタリックス株式会社 焼結磁石製造装置
CN104377028A (zh) * 2009-08-28 2015-02-25 因太金属株式会社 NdFeB系烧结磁铁的制造方法、制造装置、及该制造方法所制造的NdFeB系烧结磁铁
JP5406112B2 (ja) 2010-04-27 2014-02-05 インターメタリックス株式会社 粒界拡散処理用塗布装置
JP5744858B2 (ja) * 2010-05-10 2015-07-08 インターメタリックス株式会社 NdFeB系焼結磁石製造装置
JP5494299B2 (ja) * 2010-07-06 2014-05-14 デクセリアルズ株式会社 磁性粉体の脱磁方法
CN101937769B (zh) * 2010-09-13 2012-05-09 华南理工大学 一种各向异性无粘结剂钕铁硼磁体的高速压制成形方法
CN102479599A (zh) * 2010-11-29 2012-05-30 湖南吉瑞斯材料科技有限公司 永磁体的制作方法
CN102891002A (zh) * 2011-07-22 2013-01-23 三积瑞科技(苏州)有限公司 多穴填粉式电感制造设备
US9272332B2 (en) * 2011-09-29 2016-03-01 GM Global Technology Operations LLC Near net shape manufacturing of rare earth permanent magnets
DE112012004298T5 (de) * 2011-10-13 2014-07-03 Tdk Corporation Gesinterter R-T-B-Magnet und Verfahren zu seiner Herstellung sowie Rotationsmaschine
WO2013061836A1 (ja) 2011-10-27 2013-05-02 インターメタリックス株式会社 NdFeB系焼結磁石の製造方法
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US9997284B2 (en) * 2012-06-22 2018-06-12 Tdk Corporation Sintered magnet
JP6060971B2 (ja) * 2012-06-29 2017-01-18 日立金属株式会社 希土類系焼結磁石の製造方法
US20150125337A1 (en) * 2012-06-29 2015-05-07 Hitachi Metals, Ltd. Method for producing rare earth sintered magnet, and mold
WO2014017249A1 (ja) 2012-07-24 2014-01-30 インターメタリックス株式会社 NdFeB系焼結磁石の製造方法
JP6186363B2 (ja) 2012-08-27 2017-08-23 インターメタリックス株式会社 NdFeB系焼結磁石
CN103310971A (zh) * 2012-10-09 2013-09-18 中磁科技股份有限公司 一种获得高性能烧结钕铁硼磁体的制备方法
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US9601251B2 (en) 2012-12-07 2017-03-21 Continental Teves Ag & Co. Ohg Correction of angle errors in permanent magnets
US10066135B2 (en) 2012-12-28 2018-09-04 Dai Nippon Printing Co., Ltd. Adhesive composition and adhesive sheet using the same
CN103093921B (zh) * 2013-01-29 2016-08-24 烟台首钢磁性材料股份有限公司 一种r-t-b-m-c系烧结磁铁及其制造方法及专用装置
KR101587395B1 (ko) * 2013-02-04 2016-01-20 인터메탈릭스 가부시키가이샤 분말 충전 장치
JP6227570B2 (ja) * 2013-02-05 2017-11-08 インターメタリックス株式会社 焼結磁石製造方法
US20150371774A1 (en) * 2013-02-05 2015-12-24 Intermetallics Co., Ltd. Sintered magnet production system and sintered magnet production method
CN105190802A (zh) 2013-03-12 2015-12-23 因太金属株式会社 RFeB系烧结磁体的制造方法和利用其制造的RFeB系烧结磁体
JP5543630B2 (ja) * 2013-03-18 2014-07-09 インターメタリックス株式会社 焼結磁石製造装置
CN105074852B (zh) 2013-03-18 2017-09-22 因太金属株式会社 RFeB系烧结磁铁制造方法和RFeB系烧结磁铁
JPWO2014148355A1 (ja) * 2013-03-18 2017-02-16 インターメタリックス株式会社 RFeB系焼結磁石製造方法及びRFeB系焼結磁石
KR101733905B1 (ko) 2013-03-18 2017-05-08 인터메탈릭스 가부시키가이샤 RFeB계 자석 제조 방법, RFeB계 자석 및 입계 확산 처리용 도포물
EP2980815A4 (en) 2013-03-25 2016-03-16 Intermetallics Co Ltd SINTER MAGNET MANUFACTURING METHOD
JP6372088B2 (ja) 2013-03-29 2018-08-15 大同特殊鋼株式会社 RFeB系磁石の製造方法
JPWO2014174935A1 (ja) * 2013-04-24 2017-02-23 インターメタリックス株式会社 焼結磁石製造用モールド、及びそれを用いた焼結磁石製造方法
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JP6303356B2 (ja) 2013-09-24 2018-04-04 大同特殊鋼株式会社 RFeB系磁石の製造方法
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US10317139B2 (en) * 2013-10-09 2019-06-11 United Technologies Corporation Method and apparatus for processing process-environment-sensitive material
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US20150171717A1 (en) * 2013-12-17 2015-06-18 GM Global Technology Operations LLC Net shaped aligned and sintered magnets by modified mim processing
KR101480486B1 (ko) * 2013-12-26 2015-01-12 주식회사 포스코 소결자석 제조용 미분쇄 장치
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RU2631055C2 (ru) * 2016-03-01 2017-09-18 Федеральное Государственное унитарное предприятие "Уральский электромеханический завод" Способ изготовления постоянных магнитов из сплавов на основе редкоземельных элементов, железа и кобальта с улучшенными магнитными характеристиками
DE102016205243A1 (de) * 2016-03-30 2017-10-05 Thyssenkrupp Ag Vorrichtung und Verfahren zur Aufbereitung eines Probematerials
CN105895359A (zh) * 2016-06-18 2016-08-24 丁文澜 一种各向异性永磁铁氧体多极磁环制造的方法
CN106158210A (zh) * 2016-08-30 2016-11-23 赣州鑫磊稀土新材料股份有限公司 一种无压成型制备烧结钕铁硼的方法
US20180122570A1 (en) * 2016-10-27 2018-05-03 Ut-Battelle, Llc Bonded permanent magnets produced by big area additive manufacturing
DE102017125326A1 (de) 2016-10-31 2018-05-03 Daido Steel Co., Ltd. Verfahren zum Herstellen eines RFeB-basierten Magneten
KR20180067760A (ko) 2016-12-12 2018-06-21 현대자동차주식회사 희토류 영구자석 제조방법
KR102045394B1 (ko) * 2017-04-26 2019-11-15 성림첨단산업(주) 희토류 영구자석의 제조방법
US11328845B2 (en) 2017-06-27 2022-05-10 Daido Steel Co., Ltd. RFeB-based magnet and method for producing RFeB-based magnet
FR3075662B1 (fr) * 2017-12-21 2022-06-24 Ifp Energies Now Procede de pretraitement pour ameliorer le remplissage d'une enceinte avec des particules solides
US11527340B2 (en) 2018-07-09 2022-12-13 Daido Steel Co., Ltd. RFeB-based sintered magnet
JP2020026561A (ja) * 2018-08-14 2020-02-20 東邦チタニウム株式会社 多孔質チタン焼結板の製造方法
JP7183626B2 (ja) * 2018-08-23 2022-12-06 大同特殊鋼株式会社 RFeB系焼結磁石及びその製造方法
CN109300680B (zh) * 2018-08-24 2023-08-29 中国科学院宁波材料技术与工程研究所 稀土永磁材料的筛选方法
CN110871271B (zh) * 2018-08-29 2022-02-25 大同特殊钢株式会社 粉末填充装置、烧结磁体制造装置以及烧结磁体制造方法
CN109216007B (zh) * 2018-09-07 2020-04-17 杭州永磁集团有限公司 一种钐钴磁体的制备工艺
JP7475817B2 (ja) * 2019-04-01 2024-04-30 Tdk株式会社 磁石構造体、磁石構造体の製造方法、及びモータ
CN110136916B (zh) * 2019-06-11 2021-01-26 深圳市瑞达美磁业有限公司 一种辐射取向实心圆柱状磁体及其生产方法及设备
CN110323022B (zh) * 2019-07-24 2024-07-23 江西金力永磁科技股份有限公司 一种连续式烧结磁体的制造方法及其设备
CN110323057B (zh) * 2019-08-05 2020-12-04 江西理工大学应用科学学院 一种钕铁硼的自动环状成型设备
CN115003632B (zh) * 2020-01-24 2025-02-28 保德科技股份有限公司 铁氧体粉末及其制造方法
CN111916283A (zh) * 2020-07-26 2020-11-10 烟台首钢磁性材料股份有限公司 一种圆环状烧结钕铁硼磁体的制备方法及其成型模具
CN112053843B (zh) * 2020-08-17 2022-04-29 包头韵升强磁材料有限公司 一种大尺寸烧结钕铁硼坯料的成型模压方法
CN112331442B (zh) * 2020-09-28 2023-02-28 中国科学院宁波材料技术与工程研究所 充磁装置、充磁设备、充磁方法及永磁体
CN116762147A (zh) * 2021-01-26 2023-09-15 钕铁硼株式会社 Nd-Fe-B层叠烧结磁体及其制造方法
CN112951581B (zh) * 2021-02-08 2023-08-29 绵阳巨星永磁材料有限公司 一种永磁材料的成型装置
CN113145845B (zh) * 2021-03-04 2023-11-07 上海平野磁气有限公司 一种全自动无压力磁粉成型机及磁粉成型料胚的制造方法
CN113539668B (zh) * 2021-06-18 2023-10-03 宁波中科毕普拉斯新材料科技有限公司 一种电感的线圈封装制造方法
CN113488304B (zh) * 2021-07-08 2024-12-10 宁波市中宝磁业有限公司 一种复合永磁材料及其加工工艺
CN114101669B (zh) * 2021-11-25 2023-01-03 北京科技大学 电流辅助成型、烧结一体化的连续生产系统及生产方法
CN114220622B (zh) * 2021-11-25 2025-11-28 福建省金龙稀土股份有限公司 抗氧化组合物、稀土永磁体、烧结磁铁类材料、制备方法
KR102595220B1 (ko) * 2021-11-30 2023-10-30 한국생산기술연구원 노즐 조립체와, 이를 포함하는 3차원 프린터 및 3차원 프린팅 방법, 이를 이용하여 제조되는 전자 부품 케이스
CN114002252B (zh) * 2021-12-31 2022-04-26 季华实验室 多层薄膜材料的垂直磁各向异性检测方法
JP7248169B1 (ja) 2022-03-22 2023-03-29 株式会社プロテリアル R-t-b系焼結磁石
CN115762942B (zh) * 2022-11-25 2023-05-26 四川大学 一种各向异性片状纳米晶稀土永磁材料的制备方法及稀土永磁材料
JP2024078303A (ja) 2022-11-29 2024-06-10 大同特殊鋼株式会社 RFeB系磁石の製造方法
KR20240097618A (ko) * 2022-12-20 2024-06-27 주식회사 그린첨단소재 희토류 소결자석의 제조방법, 장치 및 이를 통하여 제조된 희토류 소결자석
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KR20240147298A (ko) * 2023-03-31 2024-10-08 주식회사 그린첨단소재 희토류 소결자석용 금형 및 이를 이용한 희토류 소결자석의 제조방법
JP2024167834A (ja) 2023-05-22 2024-12-04 大同特殊鋼株式会社 RFeB系磁石製造方法、及び該方法に用いる粒界拡散処理用合金
CN117428189B (zh) * 2023-12-19 2024-03-08 厦门大鸿翰金属材料科技有限公司 一种硬质合金烧结工艺
CN119296953A (zh) * 2024-12-16 2025-01-10 江苏普隆磁电有限公司 一种无重稀土烧结钕铁硼永磁体的制备工艺

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE504686A (enExample) * 1950-09-19
NL93755C (enExample) 1951-12-21
US3684593A (en) * 1970-11-02 1972-08-15 Gen Electric Heat-aged sintered cobalt-rare earth intermetallic product and process
JPS5596616A (en) 1979-01-17 1980-07-23 Matsushita Electric Ind Co Ltd Method of manufacturing copper-substituted rare earth cobalt permanent magnet
JPS5946008A (ja) 1982-08-21 1984-03-15 Sumitomo Special Metals Co Ltd 永久磁石
JPS5989401A (ja) 1982-11-15 1984-05-23 Sumitomo Special Metals Co Ltd 永久磁石
JPS59163802A (ja) 1983-03-08 1984-09-14 Sumitomo Special Metals Co Ltd 永久磁石材料
JPS6032306A (ja) 1983-08-02 1985-02-19 Sumitomo Special Metals Co Ltd 永久磁石
US4792367A (en) 1983-08-04 1988-12-20 General Motors Corporation Iron-rare earth-boron permanent
JPS6063304A (ja) 1983-09-17 1985-04-11 Sumitomo Special Metals Co Ltd 希土類・ボロン・鉄系永久磁石用合金粉末の製造方法
JPS60182104A (ja) 1984-02-28 1985-09-17 Sumitomo Special Metals Co Ltd 永久磁石材料の製造方法
JPS6144414A (ja) 1984-08-09 1986-03-04 Citizen Watch Co Ltd 永久磁石の製造方法
JPS61160201A (ja) 1985-01-08 1986-07-19 小松ゼノア株式会社 チエンソ−
JPH066728B2 (ja) 1986-07-24 1994-01-26 住友特殊金属株式会社 永久磁石材料用原料粉末の製造方法
JP2665590B2 (ja) 1987-06-19 1997-10-22 住友特殊金属株式会社 希土類―鉄―ボロン系磁気異方性焼結永久磁石原料用合金薄板並びに磁気異方性焼結永久磁石原料用合金粉末,及び磁気異方性焼結永久磁石
JP2561704B2 (ja) 1988-06-20 1996-12-11 株式会社神戸製鋼所 希土類−Fe−B系磁石の製造方法
JPH0230923A (ja) 1988-07-20 1990-02-01 Fuji Heavy Ind Ltd 6気筒エンジンの吸気装置
JP2545603B2 (ja) 1989-03-10 1996-10-23 住友特殊金属株式会社 異方性焼結磁石の製造方法
JP2794755B2 (ja) * 1989-03-25 1998-09-10 セイコーエプソン株式会社 希土類元素―遷移元素―b系磁石の製造方法
EP0393815B1 (en) * 1989-04-15 1994-05-18 Fuji Electrochemical Co.Ltd. Method for packing permanent magnet powder
JPH0358281A (ja) 1989-07-27 1991-03-13 Nisca Corp データ処理方法
JPH0744121B2 (ja) 1990-11-30 1995-05-15 インターメタリックス株式会社 永久磁石の製造方法、製造装置及び磁界中配向成形用ゴムモールド
US5672363A (en) * 1990-11-30 1997-09-30 Intermetallics Co., Ltd. Production apparatus for making green compact
EP0488334B1 (en) * 1990-11-30 1996-05-15 Intermetallics Co., Ltd. Method and apparatus for producing a permanent magnet by forming a green and sintered compact
JPH0696973A (ja) * 1991-11-28 1994-04-08 Inter Metallics Kk 永久磁石の製造方法
JP3307418B2 (ja) 1992-02-21 2002-07-24 ティーディーケイ株式会社 成形方法および焼結磁石の製造方法
JPH06108104A (ja) 1992-09-30 1994-04-19 Hitachi Metals Ltd 希土類磁石の製造方法及びその装置
JP2859517B2 (ja) 1993-08-12 1999-02-17 日立金属株式会社 希土類磁石の製造方法
JP2731337B2 (ja) 1993-03-19 1998-03-25 日立金属株式会社 希土類焼結磁石の製造方法
JP3174448B2 (ja) * 1993-11-26 2001-06-11 住友特殊金属株式会社 Fe−B−R系磁石材料の製造方法
US5666635A (en) * 1994-10-07 1997-09-09 Sumitomo Special Metals Co., Ltd. Fabrication methods for R-Fe-B permanent magnets
JP3383448B2 (ja) 1994-12-09 2003-03-04 住友特殊金属株式会社 R−Fe−B系永久磁石材料の製造方法
JP3777199B2 (ja) 1994-12-09 2006-05-24 株式会社Neomax 高性能R−Fe−B系永久磁石材料の製造方法
JP3459477B2 (ja) 1994-10-07 2003-10-20 住友特殊金属株式会社 希土類磁石用原料粉末の製造方法
JP3123409B2 (ja) * 1995-09-07 2001-01-09 トヨタ車体株式会社 粉体成形用金型装置
JPH0978103A (ja) 1995-09-11 1997-03-25 Inter Metallics Kk 粉末充填方法及びその装置
JP3710184B2 (ja) 1995-12-15 2005-10-26 インターメタリックス株式会社 被充填物の充填方法
JP2900885B2 (ja) 1996-06-21 1999-06-02 日本電気株式会社 時刻情報補正装置
JP3978262B2 (ja) 1997-08-07 2007-09-19 インターメタリックス株式会社 充填方法及びその装置
JP4216929B2 (ja) 1998-10-06 2009-01-28 日立金属株式会社 R−Fe−B系磁石成形用離型剤
JP2000306753A (ja) 1999-04-21 2000-11-02 Sumitomo Special Metals Co Ltd R‐Fe‐B系永久磁石の製造方法とR‐Fe‐B系永久磁石成形用潤滑剤
JP3992376B2 (ja) 1998-09-24 2007-10-17 インターメタリックス株式会社 粉末成形方法
CN1187152C (zh) * 1999-03-03 2005-02-02 株式会社新王磁材 稀土磁铁烧结用烧结箱及用该箱烧结处理的稀土磁铁制法
JP2001028309A (ja) * 1999-07-14 2001-01-30 Mitsubishi Electric Corp 磁石およびその磁場成形装置
JP3418605B2 (ja) 1999-11-12 2003-06-23 住友特殊金属株式会社 希土類磁石の製造方法
JP3233359B2 (ja) 2000-03-08 2001-11-26 住友特殊金属株式会社 希土類合金磁性粉末成形体の作製方法および希土類磁石の製造方法
JP2002088403A (ja) 2000-03-08 2002-03-27 Sumitomo Special Metals Co Ltd 希土類合金磁性粉末成形体の作製方法および希土類磁石の製造方法
JP4759889B2 (ja) 2000-09-12 2011-08-31 日立金属株式会社 粉末充填装置、それを用いたプレス成形装置および焼結磁石製造方法
JP3294841B2 (ja) 2000-09-19 2002-06-24 住友特殊金属株式会社 希土類磁石およびその製造方法
JP3452561B2 (ja) 2000-11-08 2003-09-29 住友特殊金属株式会社 希土類磁石およびその製造方法
CN2475105Y (zh) * 2001-03-14 2002-01-30 包头稀土研究院 一种磁环的多极聚合辐射取向成型装置
JP4089212B2 (ja) 2001-11-28 2008-05-28 日立金属株式会社 希土類合金の造粒粉の製造方法および希土類合金焼結体の製造方法
AU2002358316A1 (en) * 2001-12-18 2003-06-30 Showa Denko K.K. Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet
CN100528420C (zh) * 2002-04-12 2009-08-19 日立金属株式会社 稀土类合金粉末的压制成型方法以及稀土类合金烧结体的制造方法
JP2004002998A (ja) * 2002-04-12 2004-01-08 Sumitomo Special Metals Co Ltd 希土類合金粉末のプレス成形方法および希土類合金焼結体の製造方法
US6992553B2 (en) * 2002-06-18 2006-01-31 Hitachi Metals, Ltd. Magnetic-field molding apparatus
JP4391897B2 (ja) * 2004-07-01 2009-12-24 インターメタリックス株式会社 磁気異方性希土類焼結磁石の製造方法及び製造装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102198637B1 (ko) * 2020-02-20 2021-01-05 권인혁 페라이트 자석의 제조장치
KR102198636B1 (ko) * 2020-02-25 2021-01-15 권인혁 페라이트 자석의 제조방법

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