CN110323053B - 一种R-Fe-B系烧结磁体及其制备方法 - Google Patents
一种R-Fe-B系烧结磁体及其制备方法 Download PDFInfo
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- CN110323053B CN110323053B CN201810292458.7A CN201810292458A CN110323053B CN 110323053 B CN110323053 B CN 110323053B CN 201810292458 A CN201810292458 A CN 201810292458A CN 110323053 B CN110323053 B CN 110323053B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 94
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 88
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 36
- 239000000956 alloy Substances 0.000 claims abstract description 25
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 24
- 239000000654 additive Substances 0.000 claims abstract description 22
- 230000000996 additive effect Effects 0.000 claims abstract description 22
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 15
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 11
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 10
- 239000012298 atmosphere Substances 0.000 claims abstract description 3
- 238000005245 sintering Methods 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 18
- 229910000521 B alloy Inorganic materials 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910004299 TbF3 Inorganic materials 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 101100065878 Caenorhabditis elegans sec-10 gene Proteins 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 229910003451 terbium oxide Inorganic materials 0.000 claims description 6
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical group [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000011812 mixed powder Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052732 germanium Inorganic materials 0.000 claims description 2
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- -1 rare earth hydride Chemical class 0.000 abstract description 16
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract description 6
- 229910052727 yttrium Inorganic materials 0.000 abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 21
- 239000001257 hydrogen Substances 0.000 description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 18
- 239000011258 core-shell material Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 15
- JGHZJRVDZXSNKQ-UHFFFAOYSA-N methyl octanoate Chemical compound CCCCCCCC(=O)OC JGHZJRVDZXSNKQ-UHFFFAOYSA-N 0.000 description 14
- 239000000523 sample Substances 0.000 description 14
- 238000009792 diffusion process Methods 0.000 description 13
- 238000002844 melting Methods 0.000 description 12
- 230000008018 melting Effects 0.000 description 12
- 238000003723 Smelting Methods 0.000 description 8
- 239000005641 Methyl octanoate Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000005266 casting Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010902 jet-milling Methods 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 229910052692 Dysprosium Inorganic materials 0.000 description 4
- 229910052777 Praseodymium Inorganic materials 0.000 description 4
- 229910052771 Terbium Inorganic materials 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000009766 low-temperature sintering Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000462 isostatic pressing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000386 microscopy Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000005324 grain boundary diffusion Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910016468 DyF3 Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(III) oxide Inorganic materials O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012854 evaluation process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
-
- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
Abstract
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CN111451498B (zh) * | 2020-02-28 | 2022-04-26 | 福建省长汀金龙稀土有限公司 | 一种粉末冶金烧结的脱脂方法 |
CN111341515B (zh) * | 2020-03-25 | 2022-08-23 | 余姚市宏伟磁材科技有限公司 | 一种含铈的钕铁硼磁钢及其制备方法 |
CN113593798B (zh) * | 2020-04-30 | 2024-04-19 | 有研稀土新材料股份有限公司 | 一种r-t-b系烧结磁体及其制备方法 |
CN113130200B (zh) * | 2021-04-26 | 2022-06-17 | 浙江大学 | 一种提高富Ce-Y稀土永磁体磁性能的方法 |
CN116313351B (zh) * | 2023-03-10 | 2023-10-20 | 山西汇镪磁性材料制作有限公司 | 一种复合除氧工艺制备低成本钕铁硼的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103474225A (zh) * | 2013-07-20 | 2013-12-25 | 南通万宝实业有限公司 | 一种镝铈掺杂的钕铁硼磁体的制备方法 |
CN103996518A (zh) * | 2014-05-11 | 2014-08-20 | 沈阳中北通磁科技股份有限公司 | 一种钕铁硼稀土永磁材料的成型方法 |
CN104439232A (zh) * | 2014-12-04 | 2015-03-25 | 浙江大学 | 镝氢化合物添加提高烧结钕铁硼磁体矫顽力的方法及产品 |
CN104851542A (zh) * | 2015-05-21 | 2015-08-19 | 潘成军 | 一种掺杂Ce的永磁材料的制备方法 |
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CN103258634B (zh) * | 2013-05-30 | 2015-11-25 | 烟台正海磁性材料股份有限公司 | 一种制备高性能R-Fe-B系烧结磁体方法 |
JP6424664B2 (ja) * | 2015-02-16 | 2018-11-21 | Tdk株式会社 | 希土類系永久磁石 |
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Patent Citations (4)
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CN103474225A (zh) * | 2013-07-20 | 2013-12-25 | 南通万宝实业有限公司 | 一种镝铈掺杂的钕铁硼磁体的制备方法 |
CN103996518A (zh) * | 2014-05-11 | 2014-08-20 | 沈阳中北通磁科技股份有限公司 | 一种钕铁硼稀土永磁材料的成型方法 |
CN104439232A (zh) * | 2014-12-04 | 2015-03-25 | 浙江大学 | 镝氢化合物添加提高烧结钕铁硼磁体矫顽力的方法及产品 |
CN104851542A (zh) * | 2015-05-21 | 2015-08-19 | 潘成军 | 一种掺杂Ce的永磁材料的制备方法 |
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Address after: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: Fujian Jinlong Rare Earth Co.,Ltd. Address before: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |