CN115763043A - 一种含钕稀土永磁材料的制备方法 - Google Patents
一种含钕稀土永磁材料的制备方法 Download PDFInfo
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- CN115763043A CN115763043A CN202211518903.XA CN202211518903A CN115763043A CN 115763043 A CN115763043 A CN 115763043A CN 202211518903 A CN202211518903 A CN 202211518903A CN 115763043 A CN115763043 A CN 115763043A
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- powder
- rare earth
- neodymium
- permanent magnet
- earth permanent
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- 239000000463 material Substances 0.000 title claims abstract description 69
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 64
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 61
- 229910052779 Neodymium Inorganic materials 0.000 title claims abstract description 55
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 123
- 238000010438 heat treatment Methods 0.000 claims abstract description 103
- 238000005245 sintering Methods 0.000 claims abstract description 73
- 238000010791 quenching Methods 0.000 claims abstract description 52
- 230000000171 quenching effect Effects 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 45
- 229910052692 Dysprosium Inorganic materials 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 43
- 239000011812 mixed powder Substances 0.000 claims abstract description 39
- 238000002844 melting Methods 0.000 claims abstract description 38
- 230000008018 melting Effects 0.000 claims abstract description 38
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 31
- 238000000462 isostatic pressing Methods 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 238000005303 weighing Methods 0.000 claims abstract description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 80
- 238000003723 Smelting Methods 0.000 claims description 60
- 229910052786 argon Inorganic materials 0.000 claims description 40
- 238000000465 moulding Methods 0.000 claims description 39
- 239000006104 solid solution Substances 0.000 claims description 30
- 238000000498 ball milling Methods 0.000 claims description 23
- 238000010891 electric arc Methods 0.000 claims description 22
- 238000011049 filling Methods 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- KZGGIURSBGKWFX-UHFFFAOYSA-N [Nd].[Dy] Chemical compound [Nd].[Dy] KZGGIURSBGKWFX-UHFFFAOYSA-N 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 15
- 239000002244 precipitate Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 15
- 238000001291 vacuum drying Methods 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 13
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 12
- 239000011733 molybdenum Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 239000002243 precursor Substances 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 230000001476 alcoholic effect Effects 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 4
- 239000012716 precipitator Substances 0.000 claims description 3
- 238000002074 melt spinning Methods 0.000 claims 2
- 239000000696 magnetic material Substances 0.000 abstract description 16
- 230000000052 comparative effect Effects 0.000 description 13
- 239000000047 product Substances 0.000 description 10
- 229910017052 cobalt Inorganic materials 0.000 description 9
- 239000010941 cobalt Substances 0.000 description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- -1 rare earth lanthanide Chemical class 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
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- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211518903.XA CN115763043A (zh) | 2022-11-30 | 2022-11-30 | 一种含钕稀土永磁材料的制备方法 |
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CN202211518903.XA CN115763043A (zh) | 2022-11-30 | 2022-11-30 | 一种含钕稀土永磁材料的制备方法 |
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Publication Number | Publication Date |
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CN115763043A true CN115763043A (zh) | 2023-03-07 |
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CN202211518903.XA Pending CN115763043A (zh) | 2022-11-30 | 2022-11-30 | 一种含钕稀土永磁材料的制备方法 |
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CN (1) | CN115763043A (zh) |
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- 2022-11-30 CN CN202211518903.XA patent/CN115763043A/zh active Pending
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Effective date of registration: 20240729 Address after: 621000, No. 59, Qinglong Avenue, Fucheng District, Sichuan, Mianyang Applicant after: Southwest University of Science and Technology Country or region after: China Applicant after: SOUTHWEST APPLIED MAGNETIC Research Institute (NO 9 INSTITUTE RESEARCH CETC) Address before: 621010, No. 59, Qinglong Avenue, Fucheng District, Sichuan, Mianyang Applicant before: Southwest University of Science and Technology Country or region before: China |
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