CN105702403A - 一种烧结钕铁硼磁体及制备方法 - Google Patents
一种烧结钕铁硼磁体及制备方法 Download PDFInfo
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- CN105702403A CN105702403A CN201610032753.XA CN201610032753A CN105702403A CN 105702403 A CN105702403 A CN 105702403A CN 201610032753 A CN201610032753 A CN 201610032753A CN 105702403 A CN105702403 A CN 105702403A
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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
-
- 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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
Abstract
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Priority Applications (1)
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CN201610032753.XA CN105702403B (zh) | 2016-01-18 | 2016-01-18 | 一种烧结钕铁硼磁体及制备方法 |
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CN201610032753.XA CN105702403B (zh) | 2016-01-18 | 2016-01-18 | 一种烧结钕铁硼磁体及制备方法 |
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CN105702403A true CN105702403A (zh) | 2016-06-22 |
CN105702403B CN105702403B (zh) | 2017-09-12 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105931784A (zh) * | 2016-06-30 | 2016-09-07 | 成都八九九科技有限公司 | 一种耐腐蚀含铈稀土永磁材料及其制备方法 |
CN106409497A (zh) * | 2016-08-31 | 2017-02-15 | 浙江东阳东磁稀土有限公司 | 一种钕铁硼磁体晶界扩散的方法 |
CN106910613A (zh) * | 2017-01-13 | 2017-06-30 | 浙江大学 | 一步热处理技术生产高Ce含量稀土永磁的方法 |
CN107134360A (zh) * | 2017-05-11 | 2017-09-05 | 中国科学院宁波材料技术与工程研究所 | 一种晶界改性制备高性能y基稀土永磁体的方法 |
CN109102976A (zh) * | 2018-08-10 | 2018-12-28 | 浙江东阳东磁稀土有限公司 | 一种提高稀土钕铁硼磁性能的方法 |
CN111180158A (zh) * | 2019-12-30 | 2020-05-19 | 宁波韵升股份有限公司 | 一种r-t-b系烧结永磁体及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002030378A (ja) * | 2000-07-17 | 2002-01-31 | Sumitomo Special Metals Co Ltd | 結晶化発熱温度制御による鉄基永久磁石合金の製造方法 |
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 |
CN103757586A (zh) * | 2014-01-13 | 2014-04-30 | 赣州诚正有色金属有限公司 | 一种含铈的钕铁硼磁性材料掺渗金属渗剂的方法 |
CN104952607A (zh) * | 2015-06-16 | 2015-09-30 | 北京科技大学 | 晶界为低熔点轻稀土-铜合金的钕铁硼磁体的制备方法 |
CN105206367A (zh) * | 2015-07-20 | 2015-12-30 | 浙江东阳东磁稀土有限公司 | 一种烧结钕铁硼磁体及其制备方法 |
-
2016
- 2016-01-18 CN CN201610032753.XA patent/CN105702403B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002030378A (ja) * | 2000-07-17 | 2002-01-31 | Sumitomo Special Metals Co Ltd | 結晶化発熱温度制御による鉄基永久磁石合金の製造方法 |
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 |
CN103757586A (zh) * | 2014-01-13 | 2014-04-30 | 赣州诚正有色金属有限公司 | 一种含铈的钕铁硼磁性材料掺渗金属渗剂的方法 |
CN104952607A (zh) * | 2015-06-16 | 2015-09-30 | 北京科技大学 | 晶界为低熔点轻稀土-铜合金的钕铁硼磁体的制备方法 |
CN105206367A (zh) * | 2015-07-20 | 2015-12-30 | 浙江东阳东磁稀土有限公司 | 一种烧结钕铁硼磁体及其制备方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105931784A (zh) * | 2016-06-30 | 2016-09-07 | 成都八九九科技有限公司 | 一种耐腐蚀含铈稀土永磁材料及其制备方法 |
CN105931784B (zh) * | 2016-06-30 | 2018-04-03 | 成都八九九科技有限公司 | 一种耐腐蚀含铈稀土永磁材料及其制备方法 |
CN106409497A (zh) * | 2016-08-31 | 2017-02-15 | 浙江东阳东磁稀土有限公司 | 一种钕铁硼磁体晶界扩散的方法 |
CN106910613A (zh) * | 2017-01-13 | 2017-06-30 | 浙江大学 | 一步热处理技术生产高Ce含量稀土永磁的方法 |
CN107134360A (zh) * | 2017-05-11 | 2017-09-05 | 中国科学院宁波材料技术与工程研究所 | 一种晶界改性制备高性能y基稀土永磁体的方法 |
CN109102976A (zh) * | 2018-08-10 | 2018-12-28 | 浙江东阳东磁稀土有限公司 | 一种提高稀土钕铁硼磁性能的方法 |
CN111180158A (zh) * | 2019-12-30 | 2020-05-19 | 宁波韵升股份有限公司 | 一种r-t-b系烧结永磁体及其制备方法 |
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CN105702403B (zh) | 2017-09-12 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Sintered NdFeB magnet and preparation method thereof Effective date of registration: 20211227 Granted publication date: 20170912 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: 20170912 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DMEGC RARE EARTH MAGNET Co.,Ltd. Registration number: Y2021330002688 |