CN105427994B - 一种耐腐蚀的富镧铈烧结钕铁硼磁体及制造方法 - Google Patents
一种耐腐蚀的富镧铈烧结钕铁硼磁体及制造方法 Download PDFInfo
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- CN105427994B CN105427994B CN201510943615.2A CN201510943615A CN105427994B CN 105427994 B CN105427994 B CN 105427994B CN 201510943615 A CN201510943615 A CN 201510943615A CN 105427994 B CN105427994 B CN 105427994B
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- 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
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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
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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
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- 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
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- 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)
Abstract
Description
Claims (1)
Priority Applications (3)
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 (zh) | 2015-12-16 | 2016-10-13 | 一种耐腐蚀的富镧铈烧结钕铁硼磁体及制造方法 |
EP16874635.2A EP3355319B1 (en) | 2015-12-16 | 2016-10-13 | Corrosion-resistant sintered neodymium-iron-boron magnet rich in lanthanum and cerium, and manufacturing method |
Applications Claiming Priority (1)
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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 |
Publications (2)
Publication Number | Publication Date |
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CN105427994A CN105427994A (zh) | 2016-03-23 |
CN105427994B true CN105427994B (zh) | 2018-04-06 |
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CN201510943615.2A Active 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 |
Country Status (3)
Country | Link |
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EP (1) | EP3355319B1 (zh) |
CN (1) | CN105427994B (zh) |
WO (1) | WO2017101577A1 (zh) |
Families Citing this family (10)
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 (en) * | 2019-09-05 | 2021-03-10 | ABB Schweiz AG | High-resistivity permanent magnets, their preparation and their application in electrical machines |
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 |
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 |
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 |
Citations (5)
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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 |
CN101958171A (zh) * | 2010-04-14 | 2011-01-26 | 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 |
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 |
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 |
CN104851583A (zh) * | 2015-06-01 | 2015-08-19 | 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 |
Family Cites Families (9)
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US4765848A (en) * | 1984-12-31 | 1988-08-23 | Kaneo Mohri | Permanent magnent and method for producing same |
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 |
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 |
JP6269279B2 (ja) * | 2014-04-15 | 2018-01-31 | Tdk株式会社 | 永久磁石およびモータ |
CN103996475B (zh) * | 2014-05-11 | 2016-05-25 | 沈阳中北通磁科技股份有限公司 | 一种具有复合主相的高性能钕铁硼稀土永磁体及制造方法 |
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 |
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2015
- 2015-12-16 CN CN201510943615.2A patent/CN105427994B/zh active Active
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2016
- 2016-10-13 EP EP16874635.2A patent/EP3355319B1/en active Active
- 2016-10-13 WO PCT/CN2016/101950 patent/WO2017101577A1/zh active Application Filing
Patent Citations (5)
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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 |
CN101958171A (zh) * | 2010-04-14 | 2011-01-26 | 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 |
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 |
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 |
CN104851583A (zh) * | 2015-06-01 | 2015-08-19 | 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 |
Also Published As
Publication number | Publication date |
---|---|
WO2017101577A1 (zh) | 2017-06-22 |
CN105427994A (zh) | 2016-03-23 |
EP3355319A1 (en) | 2018-08-01 |
EP3355319B1 (en) | 2022-02-23 |
EP3355319A4 (en) | 2019-05-22 |
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Denomination of invention: The invention relates to a corrosion-resistant lanthanum rich cerium sintered Nd-Fe-B magnet and a manufacturing method thereof Effective date of registration: 20211227 Granted publication date: 20180406 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DMEGC RARE EARTH MAGNET Co.,Ltd. Registration number: Y2021330002688 |
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Date of cancellation: 20230628 Granted publication date: 20180406 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DMEGC RARE EARTH MAGNET Co.,Ltd. Registration number: Y2021330002688 |