CN107369511A - 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
- CN107369511A CN107369511A CN201710464516.5A CN201710464516A CN107369511A CN 107369511 A CN107369511 A CN 107369511A CN 201710464516 A CN201710464516 A CN 201710464516A CN 107369511 A CN107369511 A CN 107369511A
- Authority
- CN
- China
- Prior art keywords
- neodymium iron
- iron boron
- magnetic body
- sintering
- boron magnetic
- 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.)
- Granted
Links
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 116
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 238000005245 sintering Methods 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 84
- 238000000465 moulding Methods 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000005261 decarburization Methods 0.000 claims abstract description 5
- 238000007872 degassing Methods 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 28
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- 229910052786 argon Inorganic materials 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 8
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 5
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 5
- 238000004781 supercooling Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 25
- 238000009413 insulation Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 229910052580 B4C Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052810 boron oxide Inorganic materials 0.000 description 4
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 206010063045 Effusion Diseases 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- 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
-
- 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 (10)
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 true CN107369511A (zh) | 2017-11-21 |
| CN107369511B 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 |
|---|---|
| CN (1) | CN107369511B (zh) |
Cited By (7)
| 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 |
| 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 |
| 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 |
| CN110504097A (zh) * | 2019-08-29 | 2019-11-26 | 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 |
| CN119889855A (zh) * | 2025-03-27 | 2025-04-25 | 宁波韵升股份有限公司 | 一种有助于脱碳的钕铁硼烧结方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010113482A1 (ja) * | 2009-03-31 | 2010-10-07 | 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 |
| CN103215467A (zh) * | 2013-05-05 | 2013-07-24 | 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 |
| CN103506624A (zh) * | 2012-06-20 | 2014-01-15 | 中磁科技股份有限公司 | 钕铁硼磁体的烧结方法 |
| CN103572083A (zh) * | 2012-07-18 | 2014-02-12 | 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 |
| CN106399731A (zh) * | 2015-07-27 | 2017-02-15 | 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 |
-
2017
- 2017-06-19 CN CN201710464516.5A patent/CN107369511B/zh active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010113482A1 (ja) * | 2009-03-31 | 2010-10-07 | 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 |
| CN103506624A (zh) * | 2012-06-20 | 2014-01-15 | 中磁科技股份有限公司 | 钕铁硼磁体的烧结方法 |
| CN103572083A (zh) * | 2012-07-18 | 2014-02-12 | 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 |
| CN103215467A (zh) * | 2013-05-05 | 2013-07-24 | 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 |
| CN106399731A (zh) * | 2015-07-27 | 2017-02-15 | 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 |
Cited By (7)
| 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 |
| CN110504097A (zh) * | 2019-08-29 | 2019-11-26 | 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 |
| CN119889855A (zh) * | 2025-03-27 | 2025-04-25 | 宁波韵升股份有限公司 | 一种有助于脱碳的钕铁硼烧结方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107369511B (zh) | 2019-08-20 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| 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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| PC01 | Cancellation 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 |