CN111430143A - 一种稀土钕铁硼永磁体的制备工艺 - Google Patents
一种稀土钕铁硼永磁体的制备工艺 Download PDFInfo
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- CN111430143A CN111430143A CN202010319751.5A CN202010319751A CN111430143A CN 111430143 A CN111430143 A CN 111430143A CN 202010319751 A CN202010319751 A CN 202010319751A CN 111430143 A CN111430143 A CN 111430143A
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- permanent magnet
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 48
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 31
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000001257 hydrogen Substances 0.000 claims abstract description 49
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 49
- 238000002156 mixing Methods 0.000 claims abstract description 48
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 238000005245 sintering Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000003723 Smelting Methods 0.000 claims abstract description 13
- 239000011812 mixed powder Substances 0.000 claims abstract description 12
- 230000032683 aging Effects 0.000 claims abstract description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 78
- 229910052786 argon Inorganic materials 0.000 claims description 39
- 239000000843 powder Substances 0.000 claims description 32
- 238000004321 preservation Methods 0.000 claims description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 239000000314 lubricant Substances 0.000 claims description 19
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 14
- 238000011049 filling Methods 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 13
- 238000003801 milling Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 7
- 239000002216 antistatic agent Substances 0.000 claims description 7
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 7
- 239000008116 calcium stearate Substances 0.000 claims description 7
- 235000013539 calcium stearate Nutrition 0.000 claims description 7
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 7
- 239000003208 petroleum Substances 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 7
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000010902 jet-milling Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
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- 230000018109 developmental process Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 210000001787 dendrite Anatomy 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 238000000462 isostatic pressing Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 238000009768 microwave sintering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01F1/0576—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 pressed, e.g. hot working
-
- 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
Abstract
Description
Claims (8)
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CN202010319751.5A CN111430143B (zh) | 2020-04-22 | 2020-04-22 | 一种稀土钕铁硼永磁体的制备方法 |
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CN202010319751.5A CN111430143B (zh) | 2020-04-22 | 2020-04-22 | 一种稀土钕铁硼永磁体的制备方法 |
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CN111430143A true CN111430143A (zh) | 2020-07-17 |
CN111430143B CN111430143B (zh) | 2022-05-31 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112614685A (zh) * | 2020-11-26 | 2021-04-06 | 宁波源盛磁业有限公司 | 一种烧结钕铁硼永磁体控氧制备方法及制得的钕铁硼永磁体 |
CN113205936A (zh) * | 2021-04-23 | 2021-08-03 | 安徽吉华新材料有限公司 | 一种NdFeB/YCo5型高性能磁体及其制备工艺 |
CN113724954A (zh) * | 2021-08-27 | 2021-11-30 | 安徽吉华新材料有限公司 | 一种无重稀土的高矫顽力永磁体及其制备工艺 |
CN113724956A (zh) * | 2021-08-27 | 2021-11-30 | 安徽吉华新材料有限公司 | 一种双主相稀土永磁材料及其制备方法 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112614685A (zh) * | 2020-11-26 | 2021-04-06 | 宁波源盛磁业有限公司 | 一种烧结钕铁硼永磁体控氧制备方法及制得的钕铁硼永磁体 |
CN112614685B (zh) * | 2020-11-26 | 2022-06-24 | 宁波源盛磁业有限公司 | 一种烧结钕铁硼永磁体控氧制备方法及制得的钕铁硼永磁体 |
CN113205936A (zh) * | 2021-04-23 | 2021-08-03 | 安徽吉华新材料有限公司 | 一种NdFeB/YCo5型高性能磁体及其制备工艺 |
CN113205936B (zh) * | 2021-04-23 | 2022-10-14 | 安徽吉华新材料有限公司 | 一种NdFeB/YCo5型高性能磁体及其制备工艺 |
CN113724954A (zh) * | 2021-08-27 | 2021-11-30 | 安徽吉华新材料有限公司 | 一种无重稀土的高矫顽力永磁体及其制备工艺 |
CN113724956A (zh) * | 2021-08-27 | 2021-11-30 | 安徽吉华新材料有限公司 | 一种双主相稀土永磁材料及其制备方法 |
CN113724956B (zh) * | 2021-08-27 | 2023-11-24 | 安徽吉华新材料有限公司 | 一种双主相稀土永磁材料及其制备方法 |
CN113724954B (zh) * | 2021-08-27 | 2024-01-19 | 安徽吉华新材料有限公司 | 一种无重稀土的高矫顽力永磁体及其制备工艺 |
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