CN114496541B - 一种高性能r-t-b永磁材料、及其扩散方法和扩散源 - Google Patents
一种高性能r-t-b永磁材料、及其扩散方法和扩散源 Download PDFInfo
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- CN114496541B CN114496541B CN202210050181.3A CN202210050181A CN114496541B CN 114496541 B CN114496541 B CN 114496541B CN 202210050181 A CN202210050181 A CN 202210050181A CN 114496541 B CN114496541 B CN 114496541B
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- diffusion
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- rare earth
- magnet
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 102
- 239000000463 material Substances 0.000 title claims abstract description 28
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 40
- 238000005324 grain boundary diffusion Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 12
- 229910001508 alkali metal halide Inorganic materials 0.000 claims abstract description 11
- 239000007791 liquid phase Substances 0.000 claims abstract description 10
- 239000012071 phase Substances 0.000 claims abstract description 9
- -1 rare earth halide Chemical class 0.000 claims abstract description 9
- 150000008045 alkali metal halides Chemical class 0.000 claims abstract description 7
- 239000000696 magnetic material Substances 0.000 claims abstract description 7
- 150000003839 salts Chemical class 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 8
- 239000002344 surface layer Substances 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 229910052692 Dysprosium Inorganic materials 0.000 description 4
- 229910052771 Terbium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000012854 evaluation process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010902 jet-milling Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005245 sintering Methods 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
- H01F41/0293—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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Claims (9)
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CN202210050181.3A CN114496541B (zh) | 2022-01-17 | 2022-01-17 | 一种高性能r-t-b永磁材料、及其扩散方法和扩散源 |
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CN202210050181.3A CN114496541B (zh) | 2022-01-17 | 2022-01-17 | 一种高性能r-t-b永磁材料、及其扩散方法和扩散源 |
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CN114496541A CN114496541A (zh) | 2022-05-13 |
CN114496541B true CN114496541B (zh) | 2023-04-07 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107093516A (zh) * | 2017-04-14 | 2017-08-25 | 华南理工大学 | 一种提高钕铁硼磁体矫顽力和热稳定性的晶界扩散方法 |
CN112489914A (zh) * | 2020-11-03 | 2021-03-12 | 北京科技大学 | 一种复合扩散制备高矫顽力钕铁硼磁体的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI302712B (en) * | 2004-12-16 | 2008-11-01 | Japan Science & Tech Agency | Nd-fe-b base magnet including modified grain boundaries and method for manufacturing the same |
JP4900121B2 (ja) * | 2007-03-29 | 2012-03-21 | 日立化成工業株式会社 | フッ化物コート膜形成処理液およびフッ化物コート膜形成方法 |
CN103849809B (zh) * | 2012-12-04 | 2016-03-16 | 宁波金科磁业有限公司 | 一种往钕铁硼中加钬的方法 |
CN112712990B (zh) * | 2020-12-21 | 2022-09-30 | 江西理工大学 | 一种低熔点金属或合金辅助重稀土元素晶界扩散的方法 |
CN113593880B (zh) * | 2021-07-09 | 2024-06-25 | 安徽万磁电子股份有限公司 | 一种高矫顽力钕铁硼磁体的晶界扩散方法 |
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- 2022-01-17 CN CN202210050181.3A patent/CN114496541B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107093516A (zh) * | 2017-04-14 | 2017-08-25 | 华南理工大学 | 一种提高钕铁硼磁体矫顽力和热稳定性的晶界扩散方法 |
CN112489914A (zh) * | 2020-11-03 | 2021-03-12 | 北京科技大学 | 一种复合扩散制备高矫顽力钕铁硼磁体的方法 |
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Address after: Yuelu District City, Hunan province 410083 Changsha Lushan Road No. 932 Patentee after: CENTRAL SOUTH University Patentee after: Fujian Jinlong Rare Earth Co.,Ltd. Patentee after: XIAMEN TUNGSTEN Co.,Ltd. Address before: Yuelu District City, Hunan province 410083 Changsha Lushan Road No. 932 Patentee before: CENTRAL SOUTH University Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Patentee before: XIAMEN TUNGSTEN Co.,Ltd. |