CN112908672B - 一种R-Fe-B系稀土烧结磁体的晶界扩散处理方法 - Google Patents
一种R-Fe-B系稀土烧结磁体的晶界扩散处理方法 Download PDFInfo
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- CN112908672B CN112908672B CN202110074831.3A CN202110074831A CN112908672B CN 112908672 B CN112908672 B CN 112908672B CN 202110074831 A CN202110074831 A CN 202110074831A CN 112908672 B CN112908672 B CN 112908672B
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000005324 grain boundary diffusion Methods 0.000 title claims abstract description 38
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 30
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 26
- 238000009792 diffusion process Methods 0.000 claims abstract description 104
- 230000005415 magnetization Effects 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 27
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 239000000956 alloy Substances 0.000 claims description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000005240 physical vapour deposition Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 230000000052 comparative effect Effects 0.000 description 23
- 239000000203 mixture Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 230000005347 demagnetization Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- JGHZJRVDZXSNKQ-UHFFFAOYSA-N methyl octanoate Chemical compound CCCCCCCC(=O)OC JGHZJRVDZXSNKQ-UHFFFAOYSA-N 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 239000005641 Methyl octanoate Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 238000010902 jet-milling Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910020641 Co Zr Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012854 evaluation process Methods 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- -1 oxides Chemical class 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001279 Dy alloy Inorganic materials 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910004299 TbF3 Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007431 microscopic evaluation Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- LKNRQYTYDPPUOX-UHFFFAOYSA-K trifluoroterbium Chemical compound F[Tb](F)F LKNRQYTYDPPUOX-UHFFFAOYSA-K 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Nd | Pr | B | Co | Zr | Mn | Fe |
24 | 6 | 0.9 | 1 | 0.15 | 0.15 | 余量 |
序号 | Tb | Al | Cu | Ga |
对比例1.1 | 100 | 0 | 0 | 0 |
对比例1.2 | 99 | 1 | 0 | 0 |
实施例1.1 | 98 | 1 | 1 | 0 |
实施例1.2 | 95 | 2 | 1 | 2 |
实施例1.3 | 85 | 5 | 5 | 5 |
实施例1.4 | 80 | 8 | 7 | 5 |
实施例1.5 | 80 | 10 | 10 | 0 |
实施例1.6 | 70 | 10 | 10 | 10 |
对比例1.3 | 65 | 10 | 10 | 15 |
对比例1.4 | 60 | 15 | 10 | 15 |
序号 | Tb | Al | Cu | Ga | Fe | Co | Ni |
实施例2.1 | 95 | 0 | 0 | 2 | 1 | 1 | 1 |
实施例2.2 | 90 | 1 | 1 | 1 | 5 | 1 | 1 |
实施例2.3 | 85 | 1 | 2 | 3 | 3 | 3 | 3 |
实施例2.4 | 75 | 2 | 3 | 4 | 5 | 5 | 6 |
实施例2.5 | 70 | 5 | 5 | 5 | 5 | 5 | 5 |
实施例2.6 | 65 | 6 | 5 | 6 | 6 | 6 | 6 |
实施例2.7 | 60 | 10 | 10 | 10 | 4 | 3 | 3 |
对比例2.1 | 98 | 0 | 0 | 0 | 1 | 1 | 0 |
对比例2.2 | 63 | 5 | 15 | 15 | 1 | 1 | 0 |
对比例2.3 | 60 | 1 | 0 | 0 | 10 | 10 | 19 |
对比例2.4 | 50 | 5 | 5 | 10 | 10 | 10 | 10 |
对比例2.5 | 25 | 10 | 15 | 10 | 10 | 15 | 15 |
对比例2.6 | 85 | 5 | 5 | 5 | 0 | 0 | 0 |
序号 | Nd | B | Al | Ga | Cu | Ti | Co | Zr | Fe |
实施例3.1 | 30.5 | 1.00 | 0.08 | 0.1 | 0.12 | 0.1 | 0.8 | 0.1 | 余量 |
实施例3.2 | 30.5 | 0.96 | 0.08 | 0.1 | 0.12 | 0.1 | 0.8 | 0.1 | 余量 |
实施例3.3 | 30.5 | 0.82 | 0.08 | 0.1 | 0.12 | 0.1 | 0.8 | 0.1 | 余量 |
实施例3.4 | 30.5 | 0.88 | 0.08 | 0.1 | 0.12 | 0.1 | 0.8 | 0.1 | 余量 |
实施例3.5 | 30.5 | 0.83 | 0.08 | 0.1 | 0.12 | 0.1 | 0.8 | 0.1 | 余量 |
实施例3.6 | 30.5 | 0.80 | 0.08 | 0.1 | 0.12 | 0.1 | 0.8 | 0.1 | 余量 |
Claims (9)
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CN2020100709598 | 2020-01-21 | ||
CN202010070959 | 2020-01-21 |
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CN112908672A CN112908672A (zh) | 2021-06-04 |
CN112908672B true CN112908672B (zh) | 2024-02-09 |
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CN115732152A (zh) * | 2021-08-27 | 2023-03-03 | 福建省长汀金龙稀土有限公司 | 一种晶界扩散材料、钕铁硼磁体及其制备方法和应用 |
CN116403792A (zh) * | 2021-12-28 | 2023-07-07 | 福建省长汀金龙稀土有限公司 | 一种晶界扩散材料、r-t-b磁体及其制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101939804A (zh) * | 2008-12-04 | 2011-01-05 | 信越化学工业株式会社 | Nd基烧结磁体及其制造方法 |
CN103227022A (zh) * | 2006-03-03 | 2013-07-31 | 日立金属株式会社 | R-Fe-B系烯土类烧结磁铁 |
CN103329220A (zh) * | 2011-01-19 | 2013-09-25 | 日立金属株式会社 | R-t-b系烧结磁体 |
CN104715877A (zh) * | 2013-12-16 | 2015-06-17 | 北京中科三环高技术股份有限公司 | 一种稀土永磁体及其制造方法 |
CN109003802A (zh) * | 2018-08-14 | 2018-12-14 | 中钢集团安徽天源科技股份有限公司 | 一种晶界扩散制备低成本高性能大块钕铁硼磁体的方法 |
CN110070986A (zh) * | 2016-09-26 | 2019-07-30 | 厦门钨业股份有限公司 | 一种R-Fe-B系稀土烧结磁铁的晶界扩散方法、HRE扩散源及其制备方法 |
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JP2015228431A (ja) * | 2014-06-02 | 2015-12-17 | インターメタリックス株式会社 | RFeB系磁石及びRFeB系磁石の製造方法 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103227022A (zh) * | 2006-03-03 | 2013-07-31 | 日立金属株式会社 | R-Fe-B系烯土类烧结磁铁 |
CN101939804A (zh) * | 2008-12-04 | 2011-01-05 | 信越化学工业株式会社 | Nd基烧结磁体及其制造方法 |
CN103329220A (zh) * | 2011-01-19 | 2013-09-25 | 日立金属株式会社 | R-t-b系烧结磁体 |
CN104715877A (zh) * | 2013-12-16 | 2015-06-17 | 北京中科三环高技术股份有限公司 | 一种稀土永磁体及其制造方法 |
CN110070986A (zh) * | 2016-09-26 | 2019-07-30 | 厦门钨业股份有限公司 | 一种R-Fe-B系稀土烧结磁铁的晶界扩散方法、HRE扩散源及其制备方法 |
CN109003802A (zh) * | 2018-08-14 | 2018-12-14 | 中钢集团安徽天源科技股份有限公司 | 一种晶界扩散制备低成本高性能大块钕铁硼磁体的方法 |
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