JP7470804B2 - ネオジム鉄ホウ素磁石材料、原料組成物、及び製造方法 - Google Patents
ネオジム鉄ホウ素磁石材料、原料組成物、及び製造方法 Download PDFInfo
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- JP7470804B2 JP7470804B2 JP2022547172A JP2022547172A JP7470804B2 JP 7470804 B2 JP7470804 B2 JP 7470804B2 JP 2022547172 A JP2022547172 A JP 2022547172A JP 2022547172 A JP2022547172 A JP 2022547172A JP 7470804 B2 JP7470804 B2 JP 7470804B2
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- grain boundary
- grain
- magnet material
- boron magnet
- Prior art date
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims description 170
- 239000000463 material Substances 0.000 title claims description 146
- 239000000203 mixture Substances 0.000 title claims description 125
- 239000002994 raw material Substances 0.000 title claims description 81
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 114
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 106
- 238000005324 grain boundary diffusion Methods 0.000 claims description 64
- 230000008018 melting Effects 0.000 claims description 60
- 238000002844 melting Methods 0.000 claims description 59
- 239000013078 crystal Substances 0.000 claims description 55
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 47
- 229910052779 Neodymium Inorganic materials 0.000 claims description 44
- 238000003723 Smelting Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 39
- 239000002245 particle Substances 0.000 claims description 28
- 229910052758 niobium Inorganic materials 0.000 claims description 27
- 229910052771 Terbium Inorganic materials 0.000 claims description 26
- 229910052733 gallium Inorganic materials 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 25
- 229910052719 titanium Inorganic materials 0.000 claims description 23
- 229910052726 zirconium Inorganic materials 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 16
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 13
- 238000007670 refining Methods 0.000 claims description 12
- 238000010902 jet-milling Methods 0.000 claims description 10
- 238000003801 milling Methods 0.000 claims description 9
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052735 hafnium Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 229910052715 tantalum Inorganic materials 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- 238000005496 tempering Methods 0.000 claims description 7
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- 229910052797 bismuth Inorganic materials 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 4
- 229910052745 lead Inorganic materials 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 150000002222 fluorine compounds Chemical class 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 description 13
- -1 neodymium iron boron rare earth Chemical class 0.000 description 11
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 11
- 229910052796 boron Inorganic materials 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 10
- 150000002910 rare earth metals Chemical class 0.000 description 9
- 230000004907 flux Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 238000004453 electron probe microanalysis Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002074 melt spinning Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007712 rapid solidification Methods 0.000 description 2
- 229910001279 Dy alloy Inorganic materials 0.000 description 1
- 241001442654 Percnon planissimum Species 0.000 description 1
- 229910001117 Tb alloy Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 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
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 238000009827 uniform distribution 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
- H01F1/0575—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
- H01F41/0266—Moulding; Pressing
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- 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)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Heat Treatment Of Articles (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010121425.3 | 2020-02-26 | ||
| CN202010121425.3A CN111223624B (zh) | 2020-02-26 | 2020-02-26 | 一种钕铁硼磁体材料、原料组合物及制备方法和应用 |
| PCT/CN2021/077171 WO2021169886A1 (zh) | 2020-02-26 | 2021-02-22 | 一种钕铁硼磁体材料、原料组合物及制备方法和应用 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2023511776A JP2023511776A (ja) | 2023-03-22 |
| JP7470804B2 true JP7470804B2 (ja) | 2024-04-18 |
Family
ID=70829868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022547172A Active JP7470804B2 (ja) | 2020-02-26 | 2021-02-22 | ネオジム鉄ホウ素磁石材料、原料組成物、及び製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7470804B2 (zh) |
| CN (1) | CN111223624B (zh) |
| WO (1) | WO2021169886A1 (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613407B (zh) * | 2020-06-03 | 2022-05-03 | 福建省长汀金龙稀土有限公司 | 一种r-t-b系永磁材料、原料组合物及其制备方法和应用 |
| CN111613410B (zh) * | 2020-06-04 | 2022-08-02 | 福建省长汀金龙稀土有限公司 | 钕铁硼磁体材料、原料组合物、制备方法、应用 |
| CN112111686A (zh) * | 2020-09-23 | 2020-12-22 | 赣州富尔特电子股份有限公司 | 一种晶界扩散专用磁钢的制备方法 |
| CN112992462B (zh) * | 2021-03-17 | 2023-01-24 | 福建省长汀金龙稀土有限公司 | 一种r-t-b磁体及其制备方法 |
| CN113161094B (zh) * | 2021-03-17 | 2023-12-05 | 福建省长汀金龙稀土有限公司 | 一种r-t-b磁体及其制备方法 |
| CN114196864B (zh) * | 2021-11-25 | 2022-07-22 | 江苏大学 | 一种Y-Gd基合金及包括该基合金的钕铈铁硼磁体与制备方法 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007305878A (ja) | 2006-05-12 | 2007-11-22 | Ulvac Japan Ltd | 永久磁石及び永久磁石の製造方法 |
| WO2013108830A1 (ja) | 2012-01-19 | 2013-07-25 | 日立金属株式会社 | Ｒ－ｔ－ｂ系焼結磁石の製造方法 |
| WO2014034650A1 (ja) | 2012-08-27 | 2014-03-06 | インターメタリックス株式会社 | NdFeB系焼結磁石 |
| CN103745823A (zh) | 2014-01-24 | 2014-04-23 | 烟台正海磁性材料股份有限公司 | 一种R-Fe-B系烧结磁体的制备方法 |
| JP2018093202A (ja) | 2016-12-06 | 2018-06-14 | Tdk株式会社 | Ｒ−ｔ−ｂ系永久磁石 |
| WO2018143230A1 (ja) | 2017-01-31 | 2018-08-09 | 日立金属株式会社 | Ｒ－ｔ－ｂ系焼結磁石の製造方法 |
| JP2018174312A (ja) | 2017-03-30 | 2018-11-08 | Tdk株式会社 | Ｒ−ｔ−ｂ系焼結磁石 |
| JP2020161811A (ja) | 2019-03-22 | 2020-10-01 | Tdk株式会社 | Ｒ−ｔ−ｂ系永久磁石 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295713B (zh) * | 2006-01-31 | 2016-08-10 | 日立金属株式会社 | R－Fe－B类稀土烧结磁铁 |
| JP5392400B2 (ja) * | 2010-03-30 | 2014-01-22 | Ｔｄｋ株式会社 | 希土類焼結磁石、その製造方法、モーター、及び自動車 |
| JP6303480B2 (ja) * | 2013-03-28 | 2018-04-04 | Tdk株式会社 | 希土類磁石 |
| CN103258633B (zh) * | 2013-05-30 | 2015-10-28 | 烟台正海磁性材料股份有限公司 | 一种R-Fe-B系烧结磁体的制备方法 |
| KR101543111B1 (ko) * | 2013-12-17 | 2015-08-10 | 현대자동차주식회사 | NdFeB 영구자석 및 그 제조방법 |
| CN106920669B (zh) * | 2015-12-25 | 2020-09-01 | 天津三环乐喜新材料有限公司 | 一种R-Fe-B系烧结磁体的制备方法 |
| CN108899149A (zh) * | 2018-08-29 | 2018-11-27 | 南京理工大学 | 一种重稀土Dy高效扩散制备高矫顽力钕铁硼磁体的方法 |
| CN109859921A (zh) * | 2019-04-01 | 2019-06-07 | 江西金力永磁科技股份有限公司 | 一种R-Fe-B类磁体的制备方法 |
-
2020
- 2020-02-26 CN CN202010121425.3A patent/CN111223624B/zh active Active
-
2021
- 2021-02-22 WO PCT/CN2021/077171 patent/WO2021169886A1/zh active Application Filing
- 2021-02-22 JP JP2022547172A patent/JP7470804B2/ja active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007305878A (ja) | 2006-05-12 | 2007-11-22 | Ulvac Japan Ltd | 永久磁石及び永久磁石の製造方法 |
| WO2013108830A1 (ja) | 2012-01-19 | 2013-07-25 | 日立金属株式会社 | Ｒ－ｔ－ｂ系焼結磁石の製造方法 |
| WO2014034650A1 (ja) | 2012-08-27 | 2014-03-06 | インターメタリックス株式会社 | NdFeB系焼結磁石 |
| CN103745823A (zh) | 2014-01-24 | 2014-04-23 | 烟台正海磁性材料股份有限公司 | 一种R-Fe-B系烧结磁体的制备方法 |
| JP2018093202A (ja) | 2016-12-06 | 2018-06-14 | Tdk株式会社 | Ｒ−ｔ−ｂ系永久磁石 |
| WO2018143230A1 (ja) | 2017-01-31 | 2018-08-09 | 日立金属株式会社 | Ｒ－ｔ－ｂ系焼結磁石の製造方法 |
| JP2018174312A (ja) | 2017-03-30 | 2018-11-08 | Tdk株式会社 | Ｒ−ｔ−ｂ系焼結磁石 |
| JP2020161811A (ja) | 2019-03-22 | 2020-10-01 | Tdk株式会社 | Ｒ−ｔ−ｂ系永久磁石 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2023511776A (ja) | 2023-03-22 |
| WO2021169886A1 (zh) | 2021-09-02 |
| CN111223624A (zh) | 2020-06-02 |
| CN111223624B (zh) | 2022-08-23 |
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