EP2436016A4 - Matériau magnétique permanent nd-fe-b et son procédé de préparation - Google Patents

Matériau magnétique permanent nd-fe-b et son procédé de préparation

Info

Publication number
EP2436016A4
EP2436016A4 EP10780039A EP10780039A EP2436016A4 EP 2436016 A4 EP2436016 A4 EP 2436016A4 EP 10780039 A EP10780039 A EP 10780039A EP 10780039 A EP10780039 A EP 10780039A EP 2436016 A4 EP2436016 A4 EP 2436016A4
Authority
EP
European Patent Office
Prior art keywords
preparation
magnetic material
permanent magnetic
permanent
magnetic
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.)
Granted
Application number
EP10780039A
Other languages
German (de)
English (en)
Other versions
EP2436016B1 (fr
EP2436016A1 (fr
Inventor
Qing Gong
Zhiqiang Zhang
Surong Zhang
Xin Du
Xiaofeng Cheng
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.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
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 BYD Co Ltd filed Critical BYD Co Ltd
Publication of EP2436016A1 publication Critical patent/EP2436016A1/fr
Publication of EP2436016A4 publication Critical patent/EP2436016A4/fr
Application granted granted Critical
Publication of EP2436016B1 publication Critical patent/EP2436016B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F3/087—Compacting only using high energy impulses, e.g. magnetic field impulses
    • 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
    • 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
    • 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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
EP10780039.3A 2009-05-27 2010-05-17 Matériau magnétique permanent nd-fe-b et son procédé de préparation Active EP2436016B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2009101076492A CN101901657B (zh) 2009-05-27 2009-05-27 一种烧结钕铁硼永磁材料及其制备方法
PCT/CN2010/072854 WO2010135958A1 (fr) 2009-05-27 2010-05-17 Matériau magnétique permanent nd-fe-b et son procédé de préparation

Publications (3)

Publication Number Publication Date
EP2436016A1 EP2436016A1 (fr) 2012-04-04
EP2436016A4 true EP2436016A4 (fr) 2012-10-31
EP2436016B1 EP2436016B1 (fr) 2017-03-29

Family

ID=43222156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10780039.3A Active EP2436016B1 (fr) 2009-05-27 2010-05-17 Matériau magnétique permanent nd-fe-b et son procédé de préparation

Country Status (4)

Country Link
US (1) US20120058003A1 (fr)
EP (1) EP2436016B1 (fr)
CN (1) CN101901657B (fr)
WO (1) WO2010135958A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101853723B (zh) 2009-03-31 2012-11-21 比亚迪股份有限公司 一种复合磁性材料及其制备方法
CN102228760A (zh) * 2011-06-29 2011-11-02 无锡光旭新材料科技有限公司 一种永磁体过滤棒及其永磁材料体的制备方法
CN102510176B (zh) * 2011-11-04 2014-11-26 无锡天宝电机有限公司 一种电机用耐热钕铁硼永磁的制备方法
CN102361359B (zh) * 2011-11-04 2015-02-11 无锡天宝电机有限公司 一种耐腐蚀的电机用钕铁硼永磁
CN102969111B (zh) * 2012-11-30 2015-09-30 钢铁研究总院 低成本高电阻率铈磁体及其制备方法
CN102976738A (zh) * 2012-12-20 2013-03-20 南通万宝磁石制造有限公司 高抗压强度永磁铁氧体磁体的制造工艺
CN105499557A (zh) * 2016-01-28 2016-04-20 河南中硬合金有限公司 一种硬质合金大制品顶锤多元组分成型剂及制备方法
CN105957674B (zh) * 2016-05-13 2018-09-14 桂林电子科技大学 一种高矫顽力的Nd-Ce-Pr-Fe-B合金薄带永磁材料及其制备方法
CN106373688B (zh) * 2016-08-31 2019-03-29 浙江东阳东磁稀土有限公司 一种制备稀土永磁材料的方法
RU2642508C1 (ru) * 2016-11-21 2018-01-25 федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский ядерный университет "МИФИ" (НИЯУ МИФИ) СПОСОБ ПОЛУЧЕНИЯ ВЫСОКОКОЭРЦИТИВНЫХ МАГНИТОВ ИЗ СПЛАВОВ НА ОСНОВЕ Nd-Fe-B
CN106747392B (zh) * 2017-03-03 2019-12-06 中国地质大学（北京） 一种Ho/Co复合掺杂Ni-Zn铁氧体陶瓷的制备方法
CN107931598A (zh) * 2017-11-16 2018-04-20 浙江中杭新材料科技有限公司 混合励磁同步电机磁钢的制备方法
CN107931621A (zh) * 2017-11-16 2018-04-20 浙江中杭新材料科技有限公司 耐高温同步电机磁钢的制备方法
RU2690867C1 (ru) * 2018-12-13 2019-06-06 Акционерное общество "Научно-производственное объединение "Магнетон" Шихта для получения термостабильных магнитных сплавов с редкоземельными металлами на основе системы Nd-Fe-B
CN110491614B (zh) * 2019-08-21 2022-06-24 南通成泰磁材科技有限公司 高抗压强度的磁性材料及其制备方法
CN110571008A (zh) * 2019-09-27 2019-12-13 江苏南方永磁科技有限公司 一种磁性复合材料及其制备方法
CN110534281A (zh) * 2019-09-27 2019-12-03 江苏南方永磁科技有限公司 一种永磁材料及其制备方法
CN112750586B (zh) * 2020-12-28 2024-03-29 包头稀土研究院 混合稀土烧结钕铁硼永磁体及其制备方法
CN112863844A (zh) * 2021-03-24 2021-05-28 陈凯华 一种耐腐蚀的钕铁硼磁体的制备工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002164205A (ja) * 2000-09-12 2002-06-07 Hitachi Metals Ltd 複合型ボンド磁石、回転機およびマグネットロール
JP2005159054A (ja) * 2003-11-26 2005-06-16 Tdk Corp Ｒ−ｔ−ｂ系永久磁石の製造方法
WO2009057742A1 (fr) * 2007-11-02 2009-05-07 Asahi Kasei Kabushiki Kaisha Matériau magnétique composite pour aimant et procédé de fabrication de ce matériau

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3604853B2 (ja) * 1996-03-29 2004-12-22 株式会社Ｎｅｏｍａｘ 異方性ボンド磁石の製造方法
US6721144B2 (en) * 2001-01-04 2004-04-13 International Business Machines Corporation Spin valves with co-ferrite pinning layer
US8465453B2 (en) * 2003-12-03 2013-06-18 Mayo Foundation For Medical Education And Research Kits, apparatus and methods for magnetically coating medical devices with living cells
CN100356487C (zh) * 2005-06-06 2007-12-19 浙江大学 一种烧结钕铁硼磁体的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002164205A (ja) * 2000-09-12 2002-06-07 Hitachi Metals Ltd 複合型ボンド磁石、回転機およびマグネットロール
JP2005159054A (ja) * 2003-11-26 2005-06-16 Tdk Corp Ｒ−ｔ−ｂ系永久磁石の製造方法
WO2009057742A1 (fr) * 2007-11-02 2009-05-07 Asahi Kasei Kabushiki Kaisha Matériau magnétique composite pour aimant et procédé de fabrication de ce matériau

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010135958A1 *

Also Published As

Publication number Publication date
EP2436016B1 (fr) 2017-03-29
WO2010135958A1 (fr) 2010-12-02
CN101901657A (zh) 2010-12-01
US20120058003A1 (en) 2012-03-08
CN101901657B (zh) 2012-06-20
EP2436016A1 (fr) 2012-04-04

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