CN104851545A - 一种具有晶界扩散层的永磁材料制备方法 - Google Patents
一种具有晶界扩散层的永磁材料制备方法 Download PDFInfo
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- CN104851545A CN104851545A CN201510262001.8A CN201510262001A CN104851545A CN 104851545 A CN104851545 A CN 104851545A CN 201510262001 A CN201510262001 A CN 201510262001A CN 104851545 A CN104851545 A CN 104851545A
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- 238000005324 grain boundary diffusion Methods 0.000 title claims abstract description 26
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- 238000000034 method Methods 0.000 claims abstract description 15
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 25
- 238000005245 sintering Methods 0.000 claims description 16
- 229910052786 argon Inorganic materials 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000137 annealing Methods 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 10
- 239000010453 quartz Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 9
- 150000002910 rare earth metals Chemical class 0.000 claims description 9
- 238000010891 electric arc Methods 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 238000005496 tempering Methods 0.000 claims description 7
- 230000005415 magnetization Effects 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
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- 238000000713 high-energy ball milling Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
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- 210000001161 mammalian embryo Anatomy 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
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- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000002427 irreversible effect Effects 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
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- 230000036541 health Effects 0.000 description 2
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- 238000009694 cold isostatic pressing Methods 0.000 description 1
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- Manufacturing Cores, Coils, And Magnets (AREA)
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105170976A (zh) * | 2015-10-23 | 2015-12-23 | 北京科技大学 | 一种压坯扩渗后低温烧结制备高矫顽力钕铁硼的方法 |
CN105931782A (zh) * | 2016-06-27 | 2016-09-07 | 无锡新大力电机有限公司 | 一种低能耗钕铁硼磁性材料的制备方法 |
CN106887321A (zh) * | 2015-12-16 | 2017-06-23 | 北京中科三环高技术股份有限公司 | 一种提高稀土磁体矫顽力的方法 |
CN107256795A (zh) * | 2017-06-27 | 2017-10-17 | 北京科技大学 | 利用两步晶界扩散工艺制备高性能烧结钕铁硼磁体的方法 |
CN107799291A (zh) * | 2017-10-22 | 2018-03-13 | 苏州南尔材料科技有限公司 | 一种具有电镀层的锰铋永磁材料的制备方法 |
CN108364739A (zh) * | 2018-04-17 | 2018-08-03 | 京磁材料科技股份有限公司 | 钕铁硼磁体及其制备方法 |
CN108899149A (zh) * | 2018-08-29 | 2018-11-27 | 南京理工大学 | 一种重稀土Dy高效扩散制备高矫顽力钕铁硼磁体的方法 |
CN110957125A (zh) * | 2019-12-24 | 2020-04-03 | 厦门钨业股份有限公司 | 一种钕铁硼永磁材料的烧结方法、钕铁硼永磁材料 |
CN111710519A (zh) * | 2017-11-29 | 2020-09-25 | 宁德市星宇科技有限公司 | 一种晶界扩散制备钕铁硼磁体的方法 |
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CN1058579C (zh) * | 1989-03-22 | 2000-11-15 | 住友特殊金属株式会社 | 永久磁体 |
CN101563737A (zh) * | 2006-12-21 | 2009-10-21 | 株式会社爱发科 | 永磁铁及永磁铁的制造方法 |
JP2012164764A (ja) * | 2011-02-04 | 2012-08-30 | Toyota Central R&D Labs Inc | 磁性体およびその製造方法 |
JP2012234985A (ja) * | 2011-05-02 | 2012-11-29 | Toyota Motor Corp | 高保磁力NdFeB磁石の製法 |
CN103050267A (zh) * | 2012-12-31 | 2013-04-17 | 厦门钨业股份有限公司 | 一种基于细粉热处理的烧结Nd-Fe-B系磁铁制作方法 |
CN103474225A (zh) * | 2013-07-20 | 2013-12-25 | 南通万宝实业有限公司 | 一种镝铈掺杂的钕铁硼磁体的制备方法 |
CN103611896A (zh) * | 2013-12-04 | 2014-03-05 | 南昌航空大学 | 一种通过电弧熔炼和熔体快淬制备MnCo(Ni)Ge基合金薄带的方法 |
CN103812281A (zh) * | 2014-03-01 | 2014-05-21 | 南通万宝实业有限公司 | 一种节能永磁交流同步电机用复合磁体的制备工艺 |
CN104593666A (zh) * | 2015-01-09 | 2015-05-06 | 梁玲 | 一种镧掺杂铁钴基软磁材料的制备方法 |
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2015
- 2015-05-21 CN CN201510262001.8A patent/CN104851545B/zh active Active
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CN1058579C (zh) * | 1989-03-22 | 2000-11-15 | 住友特殊金属株式会社 | 永久磁体 |
CN101563737A (zh) * | 2006-12-21 | 2009-10-21 | 株式会社爱发科 | 永磁铁及永磁铁的制造方法 |
JP2012164764A (ja) * | 2011-02-04 | 2012-08-30 | Toyota Central R&D Labs Inc | 磁性体およびその製造方法 |
JP2012234985A (ja) * | 2011-05-02 | 2012-11-29 | Toyota Motor Corp | 高保磁力NdFeB磁石の製法 |
CN103050267A (zh) * | 2012-12-31 | 2013-04-17 | 厦门钨业股份有限公司 | 一种基于细粉热处理的烧结Nd-Fe-B系磁铁制作方法 |
CN103474225A (zh) * | 2013-07-20 | 2013-12-25 | 南通万宝实业有限公司 | 一种镝铈掺杂的钕铁硼磁体的制备方法 |
CN103611896A (zh) * | 2013-12-04 | 2014-03-05 | 南昌航空大学 | 一种通过电弧熔炼和熔体快淬制备MnCo(Ni)Ge基合金薄带的方法 |
CN103812281A (zh) * | 2014-03-01 | 2014-05-21 | 南通万宝实业有限公司 | 一种节能永磁交流同步电机用复合磁体的制备工艺 |
CN104593666A (zh) * | 2015-01-09 | 2015-05-06 | 梁玲 | 一种镧掺杂铁钴基软磁材料的制备方法 |
Non-Patent Citations (1)
Title |
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常诚: "晶界扩散型低重稀土烧结Nd-Fe-B永磁材料研究", 《2012中国功能新材料学术论坛暨第三届全国电磁材料及器件学术会议论文摘要集》 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105170976A (zh) * | 2015-10-23 | 2015-12-23 | 北京科技大学 | 一种压坯扩渗后低温烧结制备高矫顽力钕铁硼的方法 |
CN106887321A (zh) * | 2015-12-16 | 2017-06-23 | 北京中科三环高技术股份有限公司 | 一种提高稀土磁体矫顽力的方法 |
CN106887321B (zh) * | 2015-12-16 | 2019-11-19 | 北京中科三环高技术股份有限公司 | 一种提高稀土磁体矫顽力的方法 |
CN105931782A (zh) * | 2016-06-27 | 2016-09-07 | 无锡新大力电机有限公司 | 一种低能耗钕铁硼磁性材料的制备方法 |
CN107256795A (zh) * | 2017-06-27 | 2017-10-17 | 北京科技大学 | 利用两步晶界扩散工艺制备高性能烧结钕铁硼磁体的方法 |
CN107799291A (zh) * | 2017-10-22 | 2018-03-13 | 苏州南尔材料科技有限公司 | 一种具有电镀层的锰铋永磁材料的制备方法 |
CN111710519A (zh) * | 2017-11-29 | 2020-09-25 | 宁德市星宇科技有限公司 | 一种晶界扩散制备钕铁硼磁体的方法 |
CN108364739A (zh) * | 2018-04-17 | 2018-08-03 | 京磁材料科技股份有限公司 | 钕铁硼磁体及其制备方法 |
CN108364739B (zh) * | 2018-04-17 | 2020-03-31 | 京磁材料科技股份有限公司 | 钕铁硼磁体及其制备方法 |
CN108899149A (zh) * | 2018-08-29 | 2018-11-27 | 南京理工大学 | 一种重稀土Dy高效扩散制备高矫顽力钕铁硼磁体的方法 |
CN110957125A (zh) * | 2019-12-24 | 2020-04-03 | 厦门钨业股份有限公司 | 一种钕铁硼永磁材料的烧结方法、钕铁硼永磁材料 |
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