CN102107277A - Process and equipment for preparing anisotropic rare-earth permanent-magnet powder and product prepared thereby - Google Patents
Process and equipment for preparing anisotropic rare-earth permanent-magnet powder and product prepared thereby Download PDFInfo
- Publication number
- CN102107277A CN102107277A CN2009102443624A CN200910244362A CN102107277A CN 102107277 A CN102107277 A CN 102107277A CN 2009102443624 A CN2009102443624 A CN 2009102443624A CN 200910244362 A CN200910244362 A CN 200910244362A CN 102107277 A CN102107277 A CN 102107277A
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- magnetic field
- rare earth
- hydrogen
- anisotropy
- magnetic
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000843 powder Substances 0.000 title claims abstract description 37
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims abstract description 13
- 239000001257 hydrogen Substances 0.000 claims abstract description 50
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 50
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000002360 preparation method Methods 0.000 claims abstract description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000956 alloy Substances 0.000 claims abstract description 24
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 24
- 238000006356 dehydrogenation reaction Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 7
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052796 boron Inorganic materials 0.000 claims abstract description 3
- 239000010453 quartz Substances 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 239000003708 ampul Substances 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000005389 magnetism Effects 0.000 claims description 12
- 150000002431 hydrogen Chemical class 0.000 claims description 11
- 229910052733 gallium Inorganic materials 0.000 claims description 9
- 229910052758 niobium Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- 238000005984 hydrogenation reaction Methods 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 229910000952 Be alloy Inorganic materials 0.000 claims 1
- 239000006247 magnetic powder Substances 0.000 abstract description 8
- 230000036961 partial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 18
- 239000013078 crystal Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 13
- 238000007323 disproportionation reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910001172 neodymium magnet Inorganic materials 0.000 description 7
- 238000000137 annealing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910052692 Dysprosium Inorganic materials 0.000 description 3
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001447 compensatory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 150000004678 hydrides Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910244362 CN102107277B (en) | 2009-12-29 | 2009-12-29 | Process and equipment for preparing anisotropic rare-earth permanent-magnet powder and product prepared thereby |
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CN 200910244362 CN102107277B (en) | 2009-12-29 | 2009-12-29 | Process and equipment for preparing anisotropic rare-earth permanent-magnet powder and product prepared thereby |
Publications (2)
Publication Number | Publication Date |
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CN102107277A true CN102107277A (en) | 2011-06-29 |
CN102107277B CN102107277B (en) | 2013-01-16 |
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CN 200910244362 Active CN102107277B (en) | 2009-12-29 | 2009-12-29 | Process and equipment for preparing anisotropic rare-earth permanent-magnet powder and product prepared thereby |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104342721A (en) * | 2014-10-28 | 2015-02-11 | 南京萨伯工业设计研究院有限公司 | Device and process for preparing rare-earth permanent-magnet material |
CN108257751A (en) * | 2016-12-29 | 2018-07-06 | 北京中科三环高技术股份有限公司 | It is a kind of to prepare fine grain rare-earth sintered magnet alloy casting piece |
CN108766701A (en) * | 2018-04-26 | 2018-11-06 | 安徽省瀚海新材料股份有限公司 | A kind of neodymium iron boron gets rid of the disintegrating process of strap |
CN110767400A (en) * | 2019-11-06 | 2020-02-07 | 有研稀土新材料股份有限公司 | Rare earth anisotropic bonded magnetic powder, preparation method thereof and magnet |
US12305265B2 (en) | 2016-12-29 | 2025-05-20 | Beijing Zhong Ke San Huan Hi-Tech Co., Ltd. | Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002025813A (en) * | 1999-06-28 | 2002-01-25 | Aichi Steel Works Ltd | Anisotropic rare earth magnet powder |
CN101393791B (en) * | 2007-09-21 | 2012-10-03 | 有研稀土新材料股份有限公司 | Anisotropic magnetic powder and manufacturing method thereof |
-
2009
- 2009-12-29 CN CN 200910244362 patent/CN102107277B/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104342721A (en) * | 2014-10-28 | 2015-02-11 | 南京萨伯工业设计研究院有限公司 | Device and process for preparing rare-earth permanent-magnet material |
CN108257751A (en) * | 2016-12-29 | 2018-07-06 | 北京中科三环高技术股份有限公司 | It is a kind of to prepare fine grain rare-earth sintered magnet alloy casting piece |
CN108257751B (en) * | 2016-12-29 | 2021-02-19 | 北京中科三环高技术股份有限公司 | Alloy casting sheet for preparing fine-grain rare earth sintered magnet |
US12305265B2 (en) | 2016-12-29 | 2025-05-20 | Beijing Zhong Ke San Huan Hi-Tech Co., Ltd. | Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll device |
CN108766701A (en) * | 2018-04-26 | 2018-11-06 | 安徽省瀚海新材料股份有限公司 | A kind of neodymium iron boron gets rid of the disintegrating process of strap |
CN110767400A (en) * | 2019-11-06 | 2020-02-07 | 有研稀土新材料股份有限公司 | Rare earth anisotropic bonded magnetic powder, preparation method thereof and magnet |
Also Published As
Publication number | Publication date |
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CN102107277B (en) | 2013-01-16 |
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Free format text: FORMER OWNER: GRIREM ADVANCED MATERIALS CO., LTD. Effective date: 20130802 Owner name: GRIREM ADVANCED MATERIALS CO., LTD. Free format text: FORMER OWNER: BEIJING CENTRAL INST.OF THE NONFERROUS METAL Effective date: 20130802 |
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Effective date of registration: 20130802 Address after: 100088, 2, Xinjie street, Beijing Patentee after: Grirem Advanced Materials Co., Ltd. Address before: 100088, 2, Xinjie street, Haidian District, Beijing Patentee before: General Research Institute for Nonferrous Metals Patentee before: Grirem Advanced Materials Co., Ltd. |