CN111243812B - 一种r-t-b系永磁材料及其制备方法和应用 - Google Patents
一种r-t-b系永磁材料及其制备方法和应用 Download PDFInfo
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- CN111243812B CN111243812B CN202010134700.5A CN202010134700A CN111243812B CN 111243812 B CN111243812 B CN 111243812B CN 202010134700 A CN202010134700 A CN 202010134700A CN 111243812 B CN111243812 B CN 111243812B
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- 239000000696 magnetic material Substances 0.000 title claims abstract description 141
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 156
- 239000000203 mixture Substances 0.000 claims abstract description 154
- 239000000463 material Substances 0.000 claims abstract description 65
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 16
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 16
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 13
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 42
- 230000032683 aging Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 25
- 239000001257 hydrogen Substances 0.000 claims description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims description 20
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 19
- 238000005245 sintering Methods 0.000 claims description 17
- 229910052779 Neodymium Inorganic materials 0.000 claims description 14
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 238000003723 Smelting Methods 0.000 claims description 8
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 7
- 229910052771 Terbium Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000011812 mixed powder Substances 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 3
- 101100065878 Caenorhabditis elegans sec-10 gene Proteins 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000007731 hot pressing Methods 0.000 claims 1
- 238000009740 moulding (composite fabrication) Methods 0.000 claims 1
- 239000010949 copper Substances 0.000 description 49
- 230000000052 comparative effect Effects 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000010902 jet-milling Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 238000010792 warming 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
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)
Abstract
Description
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202010134700.5A CN111243812B (zh) | 2020-02-29 | 2020-02-29 | 一种r-t-b系永磁材料及其制备方法和应用 |
PCT/CN2021/077200 WO2021169906A1 (zh) | 2020-02-29 | 2021-02-22 | 一种r-t-b系永磁材料及其制备方法和应用 |
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CN202010134700.5A CN111243812B (zh) | 2020-02-29 | 2020-02-29 | 一种r-t-b系永磁材料及其制备方法和应用 |
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CN111243812A CN111243812A (zh) | 2020-06-05 |
CN111243812B true CN111243812B (zh) | 2022-04-05 |
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CN202010134700.5A Active CN111243812B (zh) | 2020-02-29 | 2020-02-29 | 一种r-t-b系永磁材料及其制备方法和应用 |
Country Status (2)
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CN (1) | CN111243812B (zh) |
WO (1) | WO2021169906A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111243812B (zh) * | 2020-02-29 | 2022-04-05 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料及其制备方法和应用 |
DE102021133691A1 (de) * | 2020-12-22 | 2022-06-23 | Tdk Corporation | R-t-b basierter permanentmagnet |
EP4105951A4 (en) * | 2021-04-30 | 2024-02-28 | JL Mag Rare-Earth Co., Ltd. | SINTERED NEODYMUM IRON BORON MAGNET AND PRODUCTION METHOD THEREOF |
CN113205939B (zh) * | 2021-04-30 | 2022-03-01 | 江西金力永磁科技股份有限公司 | 一种含锆烧结钕铁硼磁体及其制备方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101071667B (zh) * | 2007-04-12 | 2010-11-24 | 北京中科三环高技术股份有限公司 | 含钆的钕铁硼稀土永磁材料及其制造方法 |
CN104395971B (zh) * | 2012-06-22 | 2017-05-17 | Tdk株式会社 | 烧结磁铁 |
JP6238444B2 (ja) * | 2013-01-07 | 2017-11-29 | 昭和電工株式会社 | R−t−b系希土類焼結磁石、r−t−b系希土類焼結磁石用合金およびその製造方法 |
JP6536816B2 (ja) * | 2015-10-14 | 2019-07-03 | Tdk株式会社 | R−t−b系焼結磁石およびモータ |
US10529473B2 (en) * | 2016-03-28 | 2020-01-07 | Tdk Corporation | R-T-B based permanent magnet |
EP3550576B1 (en) * | 2016-12-02 | 2023-09-20 | Shin-Etsu Chemical Co., Ltd. | R-fe-b sintered magnet and production method therefor |
JP6717230B2 (ja) * | 2017-02-28 | 2020-07-01 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
CN110537235B (zh) * | 2018-03-23 | 2023-08-18 | 株式会社博迈立铖 | R-t-b系烧结磁体的制造方法 |
JP7110662B2 (ja) * | 2018-03-28 | 2022-08-02 | Tdk株式会社 | R‐t‐b系焼結磁石 |
CN110619984B (zh) * | 2018-06-19 | 2021-12-07 | 厦门钨业股份有限公司 | 一种低B含量的R-Fe-B系烧结磁铁及其制备方法 |
CN110544569A (zh) * | 2019-08-24 | 2019-12-06 | 宁波合力磁材技术有限公司 | 一种钕铁硼磁铁及其生产工艺 |
CN110853855B (zh) * | 2019-11-21 | 2021-08-27 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料及其制备方法和应用 |
CN110828089B (zh) * | 2019-11-21 | 2021-03-26 | 厦门钨业股份有限公司 | 钕铁硼磁体材料、原料组合物及制备方法和应用 |
CN111243812B (zh) * | 2020-02-29 | 2022-04-05 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料及其制备方法和应用 |
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2020
- 2020-02-29 CN CN202010134700.5A patent/CN111243812B/zh active Active
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2021
- 2021-02-22 WO PCT/CN2021/077200 patent/WO2021169906A1/zh active Application Filing
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WO2021169906A1 (zh) | 2021-09-02 |
CN111243812A (zh) | 2020-06-05 |
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Effective date of registration: 20220629 Address after: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Address before: 361000 Ke Gang, Haicang District, Fujian, Xiamen Patentee before: XIAMEN TUNGSTEN Co.,Ltd. Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
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. |
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CP01 | Change in the name or title of a patent holder |