CN107369511B - 一种钕铁硼的烧结工艺 - Google Patents
一种钕铁硼的烧结工艺 Download PDFInfo
- Publication number
- CN107369511B CN107369511B CN201710464516.5A CN201710464516A CN107369511B CN 107369511 B CN107369511 B CN 107369511B CN 201710464516 A CN201710464516 A CN 201710464516A CN 107369511 B CN107369511 B CN 107369511B
- Authority
- CN
- China
- Prior art keywords
- neodymium iron
- iron boron
- magnetic body
- temperature
- sintering
- Prior art date
- 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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Classifications
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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
- B22F3/02—Compacting only
-
- 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
- B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
-
- 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
-
- 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
- B22F3/24—After-treatment of workpieces or articles
-
- 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
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710464516.5A CN107369511B (zh) | 2017-06-19 | 2017-06-19 | 一种钕铁硼的烧结工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710464516.5A CN107369511B (zh) | 2017-06-19 | 2017-06-19 | 一种钕铁硼的烧结工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107369511A CN107369511A (zh) | 2017-11-21 |
CN107369511B true CN107369511B (zh) | 2019-08-20 |
Family
ID=60305439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710464516.5A Active CN107369511B (zh) | 2017-06-19 | 2017-06-19 | 一种钕铁硼的烧结工艺 |
Country Status (1)
Country | Link |
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CN (1) | CN107369511B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108010652A (zh) * | 2017-12-29 | 2018-05-08 | 烟台首钢磁性材料股份有限公司 | 一种钕铁硼磁体的烧结方法及其专用装置 |
CN110021467A (zh) * | 2018-01-10 | 2019-07-16 | 中国科学院宁波材料技术与工程研究所 | 一种烧结钕铁硼磁体的制备方法 |
CN108637249A (zh) * | 2018-06-06 | 2018-10-12 | 山西大缙华磁性材料有限公司 | 一种钕铁硼磁体烧结工艺 |
CN109950015A (zh) * | 2019-04-23 | 2019-06-28 | 惠州市福益乐永磁科技有限公司 | 圆柱形烧结钕铁硼的烧结方法 |
CN110504097B (zh) * | 2019-08-29 | 2023-07-28 | 江西开源自动化设备有限公司 | 一种提高烧结磁体剩磁的磁场成型方法 |
CN112837921A (zh) * | 2021-01-06 | 2021-05-25 | 陈凯华 | 一种钕铁硼磁体渗镝的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4591633B2 (ja) * | 2009-03-31 | 2010-12-01 | 日立金属株式会社 | ナノコンポジットバルク磁石およびその製造方法 |
CN103506624B (zh) * | 2012-06-20 | 2015-12-02 | 中磁科技股份有限公司 | 钕铁硼磁体的烧结方法 |
CN103572083B (zh) * | 2012-07-18 | 2016-12-21 | 三环瓦克华(北京)磁性器件有限公司 | 一种钕铁硼磁体的烧结方法 |
CN103215467B (zh) * | 2013-05-05 | 2015-07-08 | 沈阳中北真空磁电科技有限公司 | 一种高性能钕铁硼稀土永磁材料的制造方法 |
CN106399731B (zh) * | 2015-07-27 | 2019-10-25 | 三环瓦克华(北京)磁性器件有限公司 | 一种生产烧结钕铁硼的脱气方法 |
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2017
- 2017-06-19 CN CN201710464516.5A patent/CN107369511B/zh active Active
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Publication number | Publication date |
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CN107369511A (zh) | 2017-11-21 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A sintering process of Nd-Fe-B Effective date of registration: 20211227 Granted publication date: 20190820 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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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230628 Granted publication date: 20190820 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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PC01 | Cancellation of the registration of the contract for pledge of patent right |