CN111292952A - 一种提升钕铁硼磁体矫顽力的方法 - Google Patents
一种提升钕铁硼磁体矫顽力的方法 Download PDFInfo
- Publication number
- CN111292952A CN111292952A CN202010139898.6A CN202010139898A CN111292952A CN 111292952 A CN111292952 A CN 111292952A CN 202010139898 A CN202010139898 A CN 202010139898A CN 111292952 A CN111292952 A CN 111292952A
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- Prior art keywords
- magnet
- rare earth
- heavy rare
- powder
- coercive force
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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.)
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- 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
- 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
-
- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010139898.6A CN111292952A (zh) | 2020-03-03 | 2020-03-03 | 一种提升钕铁硼磁体矫顽力的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010139898.6A CN111292952A (zh) | 2020-03-03 | 2020-03-03 | 一种提升钕铁硼磁体矫顽力的方法 |
Publications (1)
Publication Number | Publication Date |
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CN111292952A true CN111292952A (zh) | 2020-06-16 |
Family
ID=71020875
Family Applications (1)
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CN202010139898.6A Pending CN111292952A (zh) | 2020-03-03 | 2020-03-03 | 一种提升钕铁硼磁体矫顽力的方法 |
Country Status (1)
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CN (1) | CN111292952A (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0790469A (ja) * | 1993-04-26 | 1995-04-04 | Hitachi Metals Ltd | 希土類焼結磁石の製造方法 |
CN103745823A (zh) * | 2014-01-24 | 2014-04-23 | 烟台正海磁性材料股份有限公司 | 一种R-Fe-B系烧结磁体的制备方法 |
CN104051101A (zh) * | 2013-03-12 | 2014-09-17 | 北京中科三环高技术股份有限公司 | 一种稀土永磁体及其制备方法 |
CN110164644A (zh) * | 2019-06-04 | 2019-08-23 | 浙江英洛华磁业有限公司 | 一种高性能钕铁硼磁体的制备方法 |
-
2020
- 2020-03-03 CN CN202010139898.6A patent/CN111292952A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0790469A (ja) * | 1993-04-26 | 1995-04-04 | Hitachi Metals Ltd | 希土類焼結磁石の製造方法 |
CN104051101A (zh) * | 2013-03-12 | 2014-09-17 | 北京中科三环高技术股份有限公司 | 一种稀土永磁体及其制备方法 |
CN103745823A (zh) * | 2014-01-24 | 2014-04-23 | 烟台正海磁性材料股份有限公司 | 一种R-Fe-B系烧结磁体的制备方法 |
CN110164644A (zh) * | 2019-06-04 | 2019-08-23 | 浙江英洛华磁业有限公司 | 一种高性能钕铁硼磁体的制备方法 |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wei Zhonghua Inventor after: Mei Rui Inventor after: Chen Xiaoping Inventor after: Shi Xiaoning Inventor after: Wu Xiaokang Inventor after: Zhao Dongliang Inventor after: Xu Dingding Inventor before: Wei Zhonghua Inventor before: Mei Rui Inventor before: Chen Xiaoping Inventor before: Shi Xiaoning Inventor before: Wu Xiaokang |
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200616 |