CN111292912B - 一种高性能稀土双合金磁体及其制备方法 - Google Patents
一种高性能稀土双合金磁体及其制备方法 Download PDFInfo
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- CN111292912B CN111292912B CN202010116904.6A CN202010116904A CN111292912B CN 111292912 B CN111292912 B CN 111292912B CN 202010116904 A CN202010116904 A CN 202010116904A CN 111292912 B CN111292912 B CN 111292912B
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 187
- 239000000956 alloy Substances 0.000 title claims abstract description 187
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 48
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 230000032683 aging Effects 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000007731 hot pressing Methods 0.000 claims abstract description 9
- 239000011261 inert gas Substances 0.000 claims abstract description 9
- 238000005245 sintering Methods 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 16
- 239000010453 quartz Substances 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000011701 zinc Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 14
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 8
- 238000002074 melt spinning Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 7
- 230000000052 comparative effect Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000000465 moulding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000005347 demagnetization Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- 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
- H01F1/0576—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 pressed, e.g. hot working
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
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Citations (8)
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---|---|---|---|---|
CN104051101A (zh) * | 2013-03-12 | 2014-09-17 | 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备方法 |
CN104821218A (zh) * | 2015-05-07 | 2015-08-05 | 安徽万磁电子有限公司 | 一种锌铝钛钴复合添加的烧结钕铁硼磁体及其制备方法 |
CN105118596A (zh) * | 2015-09-16 | 2015-12-02 | 安徽万磁电子有限公司 | 一种锌铝钴复合添加的烧结钕铁硼磁体及其制备方法 |
CN106384637A (zh) * | 2016-10-28 | 2017-02-08 | 北京科技大学 | 一种改善边界结构制备高性能钕铁硼磁体的方法 |
CN107316727A (zh) * | 2017-07-06 | 2017-11-03 | 京磁材料科技股份有限公司 | 一种烧结钕铁硼制备方法 |
CN107845464A (zh) * | 2017-11-23 | 2018-03-27 | 安徽大地熊新材料股份有限公司 | 一种制备高矫顽力钕铁硼系永磁体的方法 |
CN108022707A (zh) * | 2016-11-04 | 2018-05-11 | 上海交通大学 | 一种热变形或反向挤出Nd-Fe-B磁体的热处理工艺 |
CN109585113A (zh) * | 2018-11-30 | 2019-04-05 | 宁波韵升股份有限公司 | 一种烧结钕铁硼磁体的制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012079726A (ja) * | 2010-09-30 | 2012-04-19 | Hitachi Metals Ltd | R−t−b−m系焼結磁石用合金の製造方法およびr−t−b−m系焼結磁石の製造方法 |
US9064625B2 (en) * | 2011-08-09 | 2015-06-23 | Electron Energy Corporation | Methods for sequentially laminating rare earth permanent magnets with suflide-based dielectric layer |
KR101918975B1 (ko) * | 2017-08-09 | 2018-11-16 | 한국기계연구원 | Nd-Fe-B계 자석 및 그 제조방법 |
-
2020
- 2020-02-25 CN CN202010116904.6A patent/CN111292912B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104051101A (zh) * | 2013-03-12 | 2014-09-17 | 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备方法 |
CN104821218A (zh) * | 2015-05-07 | 2015-08-05 | 安徽万磁电子有限公司 | 一种锌铝钛钴复合添加的烧结钕铁硼磁体及其制备方法 |
CN105118596A (zh) * | 2015-09-16 | 2015-12-02 | 安徽万磁电子有限公司 | 一种锌铝钴复合添加的烧结钕铁硼磁体及其制备方法 |
CN106384637A (zh) * | 2016-10-28 | 2017-02-08 | 北京科技大学 | 一种改善边界结构制备高性能钕铁硼磁体的方法 |
CN108022707A (zh) * | 2016-11-04 | 2018-05-11 | 上海交通大学 | 一种热变形或反向挤出Nd-Fe-B磁体的热处理工艺 |
CN107316727A (zh) * | 2017-07-06 | 2017-11-03 | 京磁材料科技股份有限公司 | 一种烧结钕铁硼制备方法 |
CN107845464A (zh) * | 2017-11-23 | 2018-03-27 | 安徽大地熊新材料股份有限公司 | 一种制备高矫顽力钕铁硼系永磁体的方法 |
CN109585113A (zh) * | 2018-11-30 | 2019-04-05 | 宁波韵升股份有限公司 | 一种烧结钕铁硼磁体的制备方法 |
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Effective date of registration: 20220523 Address after: 366399 industrial new area, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Address before: 86 No. 341000 Jiangxi city of Ganzhou province Zhanggong District Hongqi Avenue Patentee before: Jiangxi University of Science and Technology |
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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. Country or region after: China Address before: 366399 industrial new area, Changting Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Country or region before: China |
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