CN111091945B - 一种r-t-b系永磁材料、原料组合物、制备方法、应用 - Google Patents
一种r-t-b系永磁材料、原料组合物、制备方法、应用 Download PDFInfo
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- CN111091945B CN111091945B CN201911425263.6A CN201911425263A CN111091945B CN 111091945 B CN111091945 B CN 111091945B CN 201911425263 A CN201911425263 A CN 201911425263A CN 111091945 B CN111091945 B CN 111091945B
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- 239000000696 magnetic material Substances 0.000 title claims abstract description 109
- 239000000203 mixture Substances 0.000 title claims abstract description 49
- 239000002994 raw material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 29
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 27
- 238000005324 grain boundary diffusion Methods 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 15
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 11
- 229910052796 boron Inorganic materials 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 7
- 230000014509 gene expression Effects 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 17
- 238000005245 sintering Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000010298 pulverizing process Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 13
- 239000001257 hydrogen Substances 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 150000002910 rare earth metals Chemical class 0.000 description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 4
- 238000004453 electron probe microanalysis Methods 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000011812 mixed powder Substances 0.000 description 3
- 101100065878 Caenorhabditis elegans sec-10 gene Proteins 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000010902 jet-milling Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium 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
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 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
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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
-
- 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
Abstract
Description
Claims (35)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911425263.6A CN111091945B (zh) | 2019-12-31 | 2019-12-31 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
CN202111054357.4A CN113889310A (zh) | 2019-12-31 | 2019-12-31 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
PCT/CN2020/100572 WO2021135141A1 (zh) | 2019-12-31 | 2020-07-07 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
KR1020227006946A KR102606749B1 (ko) | 2019-12-31 | 2020-07-07 | R-t-b계 영구자석 재료, 원료조성물, 제조방법, 응용 |
TW109145206A TWI750964B (zh) | 2019-12-31 | 2020-12-21 | R-t-b系永磁材料、原料組合物、製備方法、應用 |
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CN201911425263.6A CN111091945B (zh) | 2019-12-31 | 2019-12-31 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
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CN202111054357.4A Division CN113889310A (zh) | 2019-12-31 | 2019-12-31 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
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CN111091945A CN111091945A (zh) | 2020-05-01 |
CN111091945B true CN111091945B (zh) | 2021-09-28 |
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CN202111054357.4A Pending CN113889310A (zh) | 2019-12-31 | 2019-12-31 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
CN201911425263.6A Active CN111091945B (zh) | 2019-12-31 | 2019-12-31 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
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CN202111054357.4A Pending CN113889310A (zh) | 2019-12-31 | 2019-12-31 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
Country Status (4)
Country | Link |
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KR (1) | KR102606749B1 (zh) |
CN (2) | CN113889310A (zh) |
TW (1) | TWI750964B (zh) |
WO (1) | WO2021135141A1 (zh) |
Families Citing this family (2)
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CN113889310A (zh) * | 2019-12-31 | 2022-01-04 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
CN117012488A (zh) * | 2022-04-29 | 2023-11-07 | 福建省长汀金龙稀土有限公司 | 钕铁硼磁体材料及其制备方法、应用、电机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6260208A (ja) * | 1985-09-10 | 1987-03-16 | Toshiba Corp | 永久磁石 |
EP0899049A1 (en) * | 1997-01-20 | 1999-03-03 | Kabushiki Kaisha Meidensha | Unified junction structure of rare-earth magnet and metal material and the jointing method |
CN106024252A (zh) * | 2015-03-31 | 2016-10-12 | 信越化学工业株式会社 | R-Fe-B烧结磁体及制备方法 |
CN110444386A (zh) * | 2019-08-16 | 2019-11-12 | 包头天和磁材科技股份有限公司 | 烧结体、烧结永磁体及其制备方法 |
CN110517838A (zh) * | 2019-08-16 | 2019-11-29 | 厦门钨业股份有限公司 | 一种钕铁硼永磁材料及其原料组合物、制备方法和应用 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0517179B1 (en) * | 1991-06-04 | 1995-05-17 | Shin-Etsu Chemical Co., Ltd. | Method of making two phase Rare Earth permanent magnets |
JP5057111B2 (ja) * | 2009-07-01 | 2012-10-24 | 信越化学工業株式会社 | 希土類磁石の製造方法 |
CN101847487B (zh) * | 2010-06-30 | 2012-05-30 | 烟台正海磁性材料股份有限公司 | 梯度矫顽力钕铁硼磁体及其生产方法 |
WO2012102497A2 (en) * | 2011-01-25 | 2012-08-02 | Industry-University Cooperation Foundation, Hanyang University | R-fe-b sintered magnet with enhanced mechanical properties and method for producing the same |
EP3179487B1 (en) * | 2015-11-18 | 2021-04-28 | Shin-Etsu Chemical Co., Ltd. | R-(fe,co)-b sintered magnet and making method |
JP6432718B1 (ja) * | 2017-03-29 | 2018-12-05 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
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 |
CN113889310A (zh) * | 2019-12-31 | 2022-01-04 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
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2019
- 2019-12-31 CN CN202111054357.4A patent/CN113889310A/zh active Pending
- 2019-12-31 CN CN201911425263.6A patent/CN111091945B/zh active Active
-
2020
- 2020-07-07 WO PCT/CN2020/100572 patent/WO2021135141A1/zh active Application Filing
- 2020-07-07 KR KR1020227006946A patent/KR102606749B1/ko active IP Right Grant
- 2020-12-21 TW TW109145206A patent/TWI750964B/zh active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6260208A (ja) * | 1985-09-10 | 1987-03-16 | Toshiba Corp | 永久磁石 |
EP0899049A1 (en) * | 1997-01-20 | 1999-03-03 | Kabushiki Kaisha Meidensha | Unified junction structure of rare-earth magnet and metal material and the jointing method |
CN106024252A (zh) * | 2015-03-31 | 2016-10-12 | 信越化学工业株式会社 | R-Fe-B烧结磁体及制备方法 |
CN110444386A (zh) * | 2019-08-16 | 2019-11-12 | 包头天和磁材科技股份有限公司 | 烧结体、烧结永磁体及其制备方法 |
CN110517838A (zh) * | 2019-08-16 | 2019-11-29 | 厦门钨业股份有限公司 | 一种钕铁硼永磁材料及其原料组合物、制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
CN113889310A (zh) | 2022-01-04 |
WO2021135141A1 (zh) | 2021-07-08 |
CN111091945A (zh) | 2020-05-01 |
TWI750964B (zh) | 2021-12-21 |
KR20220041189A (ko) | 2022-03-31 |
KR102606749B1 (ko) | 2023-11-24 |
TW202127476A (zh) | 2021-07-16 |
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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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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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