CN110136948B - 一种具有表面硬质铝膜层的钕铁硼磁体的制备方法 - Google Patents
一种具有表面硬质铝膜层的钕铁硼磁体的制备方法 Download PDFInfo
- Publication number
- CN110136948B CN110136948B CN201810133537.3A CN201810133537A CN110136948B CN 110136948 B CN110136948 B CN 110136948B CN 201810133537 A CN201810133537 A CN 201810133537A CN 110136948 B CN110136948 B CN 110136948B
- Authority
- CN
- China
- Prior art keywords
- iron boron
- neodymium iron
- aluminum film
- parts
- boron magnet
- 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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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 122
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000843 powder Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 25
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 12
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000919 ceramic Substances 0.000 claims abstract description 12
- 239000003822 epoxy resin Substances 0.000 claims abstract description 12
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 12
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 12
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 12
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 12
- 239000003085 diluting agent Substances 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 50
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 30
- 238000004140 cleaning Methods 0.000 claims description 30
- 238000005507 spraying Methods 0.000 claims description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 20
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 18
- 238000000498 ball milling Methods 0.000 claims description 17
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 10
- 235000006408 oxalic acid Nutrition 0.000 claims description 10
- 238000005554 pickling Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- SKZKKFZAGNVIMN-UHFFFAOYSA-N Salicilamide Chemical compound NC(=O)C1=CC=CC=C1O SKZKKFZAGNVIMN-UHFFFAOYSA-N 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 6
- 235000013539 calcium stearate Nutrition 0.000 claims description 6
- 239000008116 calcium stearate Substances 0.000 claims description 6
- 239000002031 ethanolic fraction Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 229960000581 salicylamide Drugs 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical class [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 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
- H01F1/0572—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 with a protective layer
-
- 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
- H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133537.3A CN110136948B (zh) | 2018-02-09 | 2018-02-09 | 一种具有表面硬质铝膜层的钕铁硼磁体的制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133537.3A CN110136948B (zh) | 2018-02-09 | 2018-02-09 | 一种具有表面硬质铝膜层的钕铁硼磁体的制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110136948A CN110136948A (zh) | 2019-08-16 |
| CN110136948B true CN110136948B (zh) | 2021-01-29 |
Family
ID=67567721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810133537.3A Active CN110136948B (zh) | 2018-02-09 | 2018-02-09 | 一种具有表面硬质铝膜层的钕铁硼磁体的制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110136948B (zh) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101090942A (zh) * | 2004-12-27 | 2007-12-19 | 株式会社钟化 | 热塑性树脂组合物 |
| CN102443834A (zh) * | 2011-12-12 | 2012-05-09 | 南昌航空大学 | 钕铁硼永磁材料表面颗粒增强有机防腐涂层的制备方法 |
| CN104332264A (zh) * | 2014-10-13 | 2015-02-04 | 宁波尼兰德磁业有限公司 | 一种提高烧结钕铁硼磁体性能的方法 |
-
2018
- 2018-02-09 CN CN201810133537.3A patent/CN110136948B/zh active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101090942A (zh) * | 2004-12-27 | 2007-12-19 | 株式会社钟化 | 热塑性树脂组合物 |
| CN102443834A (zh) * | 2011-12-12 | 2012-05-09 | 南昌航空大学 | 钕铁硼永磁材料表面颗粒增强有机防腐涂层的制备方法 |
| CN104332264A (zh) * | 2014-10-13 | 2015-02-04 | 宁波尼兰德磁业有限公司 | 一种提高烧结钕铁硼磁体性能的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110136948A (zh) | 2019-08-16 |
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| PB01 | Publication | ||
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| GR01 | Patent grant | ||
| 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 preparation method of neodymium iron boron magnet with a surface hard aluminum film layer Effective date of registration: 20230725 Granted publication date: 20210129 Pledgee: China Construction Bank Corporation Ningbo Zhenhai sub branch Pledgor: NINGBO ZHAOBAO MAGNET Co.,Ltd. Registration number: Y2023980049685 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315000 66 Dinghai Road, chengguanhou Haitang Industrial Zone, Zhenhai District, Ningbo City, Zhejiang Province Patentee after: Ningbo Zhaobao Magnetic Industry Co.,Ltd. Country or region after: China Address before: No. 66 Dinghai Road, Houhaitang Industrial Zone, Chengguan, Zhenhai District, Ningbo City, Zhejiang Province Patentee before: NINGBO ZHAOBAO MAGNET Co.,Ltd. Country or region before: China |