CN108922766A - 一种烧结稀土永磁体的制备方法及旋转式hddr炉 - Google Patents
一种烧结稀土永磁体的制备方法及旋转式hddr炉 Download PDFInfo
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- CN108922766A CN108922766A CN201810755620.4A CN201810755620A CN108922766A CN 108922766 A CN108922766 A CN 108922766A CN 201810755620 A CN201810755620 A CN 201810755620A CN 108922766 A CN108922766 A CN 108922766A
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- hddr
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/06—Rotary-drum furnaces, i.e. horizontal or slightly inclined adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
- F27B7/16—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means
- F27B7/161—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
-
- 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
- H01F41/0266—Moulding; Pressing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
- F27B7/16—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means
- F27B7/161—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall
- F27B2007/165—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall forming a helical lifting projection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
- F27B2007/3211—Charging at the open end of the drum
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
稀土合金 | Nd | Pr | Co | Dy | Cu | Ge | Al | B | Fe |
实施例1 | 21.4 | 8.6 | 0.9 | 1 | 0.5 | 0.3 | 0.5 | 1.2 | 余 |
测量项目 | Br | Hcj | (BH)max | Hk/iHc |
单位 | KGs | KOe | MGOe | 方形度 |
测试数据 | 14.10 | 17.50 | 47.35 | 0.97 |
Nd+Pr | Ce | Cu | Al | Gd | B | Fe | |
实施例2 | 4 | 25 | 0.3 | 0.5 | 2 | 1.25 | 余 |
Hcj | (BH)max | |
单位 | KOe | MGOe |
测量数据 | 12.30 | 30.35 |
Claims (9)
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CN201810755620.4A CN108922766B (zh) | 2018-07-11 | 2018-07-11 | 一种烧结稀土永磁体的制备方法及旋转式hddr炉 |
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CN201810755620.4A CN108922766B (zh) | 2018-07-11 | 2018-07-11 | 一种烧结稀土永磁体的制备方法及旋转式hddr炉 |
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CN108922766A true CN108922766A (zh) | 2018-11-30 |
CN108922766B CN108922766B (zh) | 2021-06-18 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108922708A (zh) * | 2018-07-11 | 2018-11-30 | 董开 | 一种烧结稀土永磁体的制备方法及旋转式扩散氢碎一体炉 |
WO2020114398A1 (zh) * | 2018-12-04 | 2020-06-11 | 董元 | 一种热压成型制备稀土永磁体的方法 |
Citations (8)
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CN101320609A (zh) * | 2008-03-21 | 2008-12-10 | 浙江大学 | 晶界相重构的高耐蚀性烧结钕铁硼磁体及其制备方法 |
CN102032772A (zh) * | 2009-09-29 | 2011-04-27 | Tdk株式会社 | 反应炉及磁性材料用粉末的制造方法 |
CN102189266A (zh) * | 2010-03-08 | 2011-09-21 | Tdk株式会社 | 稀土类合金粉末的制造方法和永磁体 |
JP2012195392A (ja) * | 2011-03-16 | 2012-10-11 | Hitachi Metals Ltd | R−t−b系永久磁石の製造方法 |
CN102768890A (zh) * | 2012-08-10 | 2012-11-07 | 北矿磁材科技股份有限公司 | 稀土类各向异性磁粉的制备方法以及磁粉和磁体 |
CN103103442A (zh) * | 2013-02-28 | 2013-05-15 | 包头稀土研究院 | 主辅合金法制备钕铁硼的方法 |
CN103779035A (zh) * | 2012-10-17 | 2014-05-07 | 信越化学工业株式会社 | 稀土烧结磁体及其制造方法 |
CN107424694A (zh) * | 2009-12-09 | 2017-12-01 | 爱知制钢株式会社 | 稀土类各向异性磁铁粉末及其制造方法和粘结磁铁 |
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2018
- 2018-07-11 CN CN201810755620.4A patent/CN108922766B/zh active Active
Patent Citations (8)
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CN101320609A (zh) * | 2008-03-21 | 2008-12-10 | 浙江大学 | 晶界相重构的高耐蚀性烧结钕铁硼磁体及其制备方法 |
CN102032772A (zh) * | 2009-09-29 | 2011-04-27 | Tdk株式会社 | 反应炉及磁性材料用粉末的制造方法 |
CN107424694A (zh) * | 2009-12-09 | 2017-12-01 | 爱知制钢株式会社 | 稀土类各向异性磁铁粉末及其制造方法和粘结磁铁 |
CN102189266A (zh) * | 2010-03-08 | 2011-09-21 | Tdk株式会社 | 稀土类合金粉末的制造方法和永磁体 |
JP2012195392A (ja) * | 2011-03-16 | 2012-10-11 | Hitachi Metals Ltd | R−t−b系永久磁石の製造方法 |
CN102768890A (zh) * | 2012-08-10 | 2012-11-07 | 北矿磁材科技股份有限公司 | 稀土类各向异性磁粉的制备方法以及磁粉和磁体 |
CN103779035A (zh) * | 2012-10-17 | 2014-05-07 | 信越化学工业株式会社 | 稀土烧结磁体及其制造方法 |
CN103103442A (zh) * | 2013-02-28 | 2013-05-15 | 包头稀土研究院 | 主辅合金法制备钕铁硼的方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108922708A (zh) * | 2018-07-11 | 2018-11-30 | 董开 | 一种烧结稀土永磁体的制备方法及旋转式扩散氢碎一体炉 |
WO2020114398A1 (zh) * | 2018-12-04 | 2020-06-11 | 董元 | 一种热压成型制备稀土永磁体的方法 |
US11967455B2 (en) | 2018-12-04 | 2024-04-23 | Yuan Dong | Method for preparing rare-earth permanent magnet by hot press molding |
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