CN109102976A - 一种提高稀土钕铁硼磁性能的方法 - Google Patents
一种提高稀土钕铁硼磁性能的方法 Download PDFInfo
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- CN109102976A CN109102976A CN201810909904.4A CN201810909904A CN109102976A CN 109102976 A CN109102976 A CN 109102976A CN 201810909904 A CN201810909904 A CN 201810909904A CN 109102976 A CN109102976 A CN 109102976A
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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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- 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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
性能指标 | Br/KGs | HcJ/KOe | (BH)m/MGsOe |
实施例1 | 13.23 | 22.86 | 41.91 |
实施例2 | 13.38 | 25.67 | 43.62 |
实施例3 | 13.85 | 22.98 | 47.23 |
实施例4 | 13.09 | 24.75 | 41.82 |
实施例5 | 13.16 | 24.12 | 42.57 |
对比例 | 13.12 | 20.36 | 41.65 |
Claims (5)
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109859922A (zh) * | 2019-04-01 | 2019-06-07 | 江西金力永磁科技股份有限公司 | 一种低重稀土含量的R-Fe-B类磁体的制备方法 |
CN110060833A (zh) * | 2019-05-21 | 2019-07-26 | 宁波永久磁业有限公司 | 一种高剩磁、高矫顽力r-t-b永磁材料及其制备方法 |
CN111326304A (zh) * | 2020-02-29 | 2020-06-23 | 厦门钨业股份有限公司 | 一种稀土永磁材料及其制备方法和应用 |
CN111883327A (zh) * | 2020-06-11 | 2020-11-03 | 包头稀土研究院 | 低重稀土含量高矫顽力永磁体及制备的复合金方法 |
CN112509775A (zh) * | 2020-12-15 | 2021-03-16 | 烟台首钢磁性材料股份有限公司 | 一种低量添加重稀土的钕铁硼磁体及其制备方法 |
CN115747611A (zh) * | 2022-10-13 | 2023-03-07 | 包头金山磁材有限公司 | 一种辅合金铸片和高剩磁高矫顽力钕铁硼永磁体及制备方法 |
EP4216239A1 (en) | 2022-01-24 | 2023-07-26 | Yantai Dongxing Magnetic Materials Inc. | A sintered ndfeb permanent magnet and preparation method thereof |
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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 |
CN103276284A (zh) * | 2013-06-05 | 2013-09-04 | 南京理工大学 | 一种低镝耐热烧结钕铁硼制备方法 |
CN104505206A (zh) * | 2014-12-04 | 2015-04-08 | 浙江大学 | 一种高矫顽力烧结钕铁硼的制备方法及产品 |
CN105702403A (zh) * | 2016-01-18 | 2016-06-22 | 浙江东阳东磁稀土有限公司 | 一种烧结钕铁硼磁体及制备方法 |
CN106158207A (zh) * | 2016-08-29 | 2016-11-23 | 京磁材料科技股份有限公司 | 一种不含重稀土的钕铁硼磁体的制备方法 |
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2018
- 2018-08-10 CN CN201810909904.4A patent/CN109102976B/zh active Active
Patent Citations (6)
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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 |
CN103276284A (zh) * | 2013-06-05 | 2013-09-04 | 南京理工大学 | 一种低镝耐热烧结钕铁硼制备方法 |
CN104505206A (zh) * | 2014-12-04 | 2015-04-08 | 浙江大学 | 一种高矫顽力烧结钕铁硼的制备方法及产品 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109859922A (zh) * | 2019-04-01 | 2019-06-07 | 江西金力永磁科技股份有限公司 | 一种低重稀土含量的R-Fe-B类磁体的制备方法 |
CN109859922B (zh) * | 2019-04-01 | 2021-05-28 | 金力永磁(包头)科技有限公司 | 一种低重稀土含量的R-Fe-B类磁体的制备方法 |
CN110060833A (zh) * | 2019-05-21 | 2019-07-26 | 宁波永久磁业有限公司 | 一种高剩磁、高矫顽力r-t-b永磁材料及其制备方法 |
CN110060833B (zh) * | 2019-05-21 | 2021-01-19 | 宁波永久磁业有限公司 | 一种高剩磁、高矫顽力r-t-b永磁材料及其制备方法 |
CN111326304B (zh) * | 2020-02-29 | 2021-08-27 | 厦门钨业股份有限公司 | 一种稀土永磁材料及其制备方法和应用 |
CN111326304A (zh) * | 2020-02-29 | 2020-06-23 | 厦门钨业股份有限公司 | 一种稀土永磁材料及其制备方法和应用 |
WO2021169894A1 (zh) * | 2020-02-29 | 2021-09-02 | 厦门钨业股份有限公司 | 一种稀土永磁材料及其制备方法和应用 |
CN111883327A (zh) * | 2020-06-11 | 2020-11-03 | 包头稀土研究院 | 低重稀土含量高矫顽力永磁体及制备的复合金方法 |
CN112509775A (zh) * | 2020-12-15 | 2021-03-16 | 烟台首钢磁性材料股份有限公司 | 一种低量添加重稀土的钕铁硼磁体及其制备方法 |
EP4020505A1 (en) | 2020-12-15 | 2022-06-29 | Yantai Shougang Magnetic Materials Inc. | Preparation method for a neodymium-iron-boron magnet |
EP4216239A1 (en) | 2022-01-24 | 2023-07-26 | Yantai Dongxing Magnetic Materials Inc. | A sintered ndfeb permanent magnet and preparation method thereof |
CN115747611A (zh) * | 2022-10-13 | 2023-03-07 | 包头金山磁材有限公司 | 一种辅合金铸片和高剩磁高矫顽力钕铁硼永磁体及制备方法 |
CN115747611B (zh) * | 2022-10-13 | 2023-10-20 | 包头金山磁材有限公司 | 一种辅合金铸片和高剩磁高矫顽力钕铁硼永磁体及制备方法 |
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Application publication date: 20181228 Assignee: HENGDIAN GROUP DMEGC MAGNETICS Co.,Ltd. Assignor: ZHEJIANG DONGYANG DMEGC RARE EARTH MAGNET Co.,Ltd. Contract record no.: X2021330000681 Denomination of invention: A method for improving the magnetic properties of rare earth Nd-Fe-B Granted publication date: 20201113 License type: Common License Record date: 20211104 |
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Denomination of invention: A method to improve the magnetic properties of rare earth NdFeB Effective date of registration: 20220622 Granted publication date: 20201113 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DMEGC RARE EARTH MAGNET Co.,Ltd. Registration number: Y2022330001023 |
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