EP3355319A4 - Aimant néodyme-fer-bore fritté résistant à la corrosion riche en lanthane et en cérium, et procédé de fabrication - Google Patents

Aimant néodyme-fer-bore fritté résistant à la corrosion riche en lanthane et en cérium, et procédé de fabrication Download PDF

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Publication number
EP3355319A4
EP3355319A4 EP16874635.2A EP16874635A EP3355319A4 EP 3355319 A4 EP3355319 A4 EP 3355319A4 EP 16874635 A EP16874635 A EP 16874635A EP 3355319 A4 EP3355319 A4 EP 3355319A4
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EP
European Patent Office
Prior art keywords
lanthanum
cerium
corrosion
iron
manufacturing
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
EP16874635.2A
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German (de)
English (en)
Other versions
EP3355319A1 (fr
EP3355319B1 (fr
Inventor
Runfeng LI
Qiaoling CHEN
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.)
Zhejiang Dongyang Dmegc Rare Earth Magnet Co Ltd
Original Assignee
Zhejiang Dongyang Dmegc Rare Earth Magnet Co Ltd
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Publication of EP3355319A4 publication Critical patent/EP3355319A4/fr
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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
    • 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
    • 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
    • B22F3/10—Sintering only
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
EP16874635.2A 2015-12-16 2016-10-13 Aimant néodyme-fer-bore fritté résistant à la corrosion riche en lanthane et en cérium, et procédé de fabrication Active EP3355319B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510943615.2A CN105427994B (zh) 2015-12-16 2015-12-16 一种耐腐蚀的富镧铈烧结钕铁硼磁体及制造方法
PCT/CN2016/101950 WO2017101577A1 (fr) 2015-12-16 2016-10-13 Aimant néodyme-fer-bore fritté résistant à la corrosion riche en lanthane et en cérium, et procédé de fabrication

Publications (3)

Publication Number Publication Date
EP3355319A1 EP3355319A1 (fr) 2018-08-01
EP3355319A4 true EP3355319A4 (fr) 2019-05-22
EP3355319B1 EP3355319B1 (fr) 2022-02-23

Family

ID=55506139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16874635.2A Active EP3355319B1 (fr) 2015-12-16 2016-10-13 Aimant néodyme-fer-bore fritté résistant à la corrosion riche en lanthane et en cérium, et procédé de fabrication

Country Status (3)

Country Link
EP (1) EP3355319B1 (fr)
CN (1) CN105427994B (fr)
WO (1) WO2017101577A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105427994B (zh) * 2015-12-16 2018-04-06 浙江东阳东磁稀土有限公司 一种耐腐蚀的富镧铈烧结钕铁硼磁体及制造方法
CN106847457A (zh) * 2017-01-09 2017-06-13 浙江大学 一种稀土永磁体及制备稀土永磁体的方法
CN110257724B (zh) * 2019-07-16 2020-05-22 宁德市星宇科技有限公司 一种含镧和铈的钕铁硼磁体的制备方法
EP3789137A1 (fr) * 2019-09-05 2021-03-10 ABB Schweiz AG Aimants permanents haute résistivité, leur préparation et leur application dans des machines électriques
CN112562952B (zh) * 2020-11-20 2024-07-12 宁波合力磁材技术有限公司 一种钕铁硼永磁材料及其制备方法
DE102021113306A1 (de) 2021-05-21 2022-11-24 Technische Universität Darmstadt, Körperschaft des öffentlichen Rechts Verfahren zur Herstellung eines Ausgangsmaterials für einen Permanentmagneten
CN113549813A (zh) * 2021-07-22 2021-10-26 江西理工大学 一种主辅相纳米晶高丰度稀土永磁材料的制备方法
CN113782330B (zh) * 2021-09-16 2026-02-03 烟台东星磁性材料股份有限公司 镧铈添加钕铁硼磁体的制备方法
CN113921263A (zh) * 2021-11-10 2022-01-11 赣州市钜磁科技有限公司 一种含镧和钇的烧结钕铁硼永磁材料的制备方法
CN114999759B (zh) * 2022-07-06 2024-07-19 赣州鑫舟永磁材料有限公司 一种稀土永磁材料低剩磁温度系数的改善方法及其制备工艺
CN115662774A (zh) * 2022-10-13 2023-01-31 包头金山磁材有限公司 一种烧结铈钆钇铁硼永磁体及其制备方法和应用
CN115798852A (zh) * 2022-11-16 2023-03-14 宁波同创强磁材料有限公司 一种高镧铈钕铁硼烧结永磁体及其制备方法
CN116313353B (zh) * 2023-05-23 2023-08-29 包头天石稀土新材料有限责任公司 钕铁硼磁体及其制备方法
CN118782374B (zh) * 2024-09-12 2024-12-03 赣州华京稀土新材料有限公司 一种提高钕铁硼薄片磁体磁性能的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187538A2 (fr) * 1984-12-31 1986-07-16 TDK Corporation Aimant permanent et procédé pour sa fabrication
CN102220538A (zh) * 2011-05-17 2011-10-19 南京理工大学 一种提高内禀矫顽力和耐腐蚀性能的烧结钕铁硼制备方法
US20150248954A1 (en) * 2014-05-11 2015-09-03 Shenyang General Magnetic Co., Ltd High-performance NdFeB rare earth permanent magnet with composite main phase and manufacturing method thereof
DE102015105764A1 (de) * 2014-04-15 2015-10-15 Tdk Corporation Permanentmagnet und motor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002038245A (ja) * 2000-07-27 2002-02-06 Hitachi Metals Ltd 希土類永久磁石用合金粉末および希土類永久磁石の製造方法
CN101404196A (zh) * 2008-07-14 2009-04-08 浙江升华强磁材料有限公司 含钬的钕铁硼稀土永磁材料及其制造方法
CN101630557A (zh) * 2008-07-16 2010-01-20 宁波科宁达工业有限公司 含钆的烧结稀土永磁合金及其制备方法
CN101958171B (zh) * 2010-04-14 2012-02-15 无锡南理工科技发展有限公司 一种耐腐蚀烧结钕铁硼磁体的制备方法
CN102347126B (zh) * 2010-07-30 2014-07-23 沈阳中北通磁科技股份有限公司 一种高性能烧结钕铁硼稀土永磁材料及制造方法
CN102280240B (zh) * 2011-08-23 2012-07-25 南京理工大学 一种低镝含量高性能烧结钕铁硼的制备方法
CN103824668B (zh) * 2014-01-17 2017-01-11 浙江东阳东磁有限公司 一种低重稀土高矫顽力烧结钕铁硼磁体及其制备方法
CN104167272A (zh) * 2014-07-28 2014-11-26 宁波韵升股份有限公司 一种含铈的烧结钕铁硼磁体及其制备方法
CN104851583B (zh) * 2015-06-01 2017-01-11 四川省有色冶金研究院有限公司 富铈稀土含量烧结Nd-Fe-B磁体的工艺
CN105427994B (zh) * 2015-12-16 2018-04-06 浙江东阳东磁稀土有限公司 一种耐腐蚀的富镧铈烧结钕铁硼磁体及制造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187538A2 (fr) * 1984-12-31 1986-07-16 TDK Corporation Aimant permanent et procédé pour sa fabrication
CN102220538A (zh) * 2011-05-17 2011-10-19 南京理工大学 一种提高内禀矫顽力和耐腐蚀性能的烧结钕铁硼制备方法
DE102015105764A1 (de) * 2014-04-15 2015-10-15 Tdk Corporation Permanentmagnet und motor
US20150248954A1 (en) * 2014-05-11 2015-09-03 Shenyang General Magnetic Co., Ltd High-performance NdFeB rare earth permanent magnet with composite main phase and manufacturing method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017101577A1 *

Also Published As

Publication number Publication date
CN105427994A (zh) 2016-03-23
EP3355319A1 (fr) 2018-08-01
CN105427994B (zh) 2018-04-06
WO2017101577A1 (fr) 2017-06-22
EP3355319B1 (fr) 2022-02-23

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