CN103990794B - 一种粘结钕铁硼快淬永磁粉残留结晶体氧化方法 - Google Patents
一种粘结钕铁硼快淬永磁粉残留结晶体氧化方法 Download PDFInfo
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- CN103990794B CN103990794B CN201410254287.0A CN201410254287A CN103990794B CN 103990794 B CN103990794 B CN 103990794B CN 201410254287 A CN201410254287 A CN 201410254287A CN 103990794 B CN103990794 B CN 103990794B
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- permanent magnetism
- fast quenching
- agglutinate neodymium
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- 239000000843 powder Substances 0.000 title claims abstract description 32
- 238000010791 quenching Methods 0.000 title claims abstract description 32
- 230000000171 quenching effect Effects 0.000 title claims abstract description 32
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 31
- 230000005389 magnetism Effects 0.000 title claims abstract description 29
- 230000003647 oxidation Effects 0.000 title claims abstract description 24
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 24
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000002425 crystallisation Methods 0.000 claims abstract description 4
- 230000008025 crystallization Effects 0.000 claims abstract description 4
- 238000012858 packaging process Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000007669 thermal treatment Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000005587 bubbling Effects 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
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CN201410254287.0A CN103990794B (zh) | 2014-06-10 | 2014-06-10 | 一种粘结钕铁硼快淬永磁粉残留结晶体氧化方法 |
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CN103990794A CN103990794A (zh) | 2014-08-20 |
CN103990794B true CN103990794B (zh) | 2016-04-13 |
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CN105478787A (zh) * | 2015-12-03 | 2016-04-13 | 江苏巨鑫磁业有限公司 | 一种粘结钕铁硼NdFeB快淬永磁粉氧化方法 |
CN106957069A (zh) * | 2017-05-04 | 2017-07-18 | 南通普瑞特机械有限公司 | 磁粉预处理氧化设备 |
CN111390187B (zh) * | 2020-03-12 | 2022-06-17 | 江苏巨鑫磁业有限公司 | 一种应用双面湿温氧化处理的永磁粉制备方法 |
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CN1044648C (zh) * | 1997-05-22 | 1999-08-11 | 南开大学 | 共沉淀还原扩散法制备钕铁硼永磁合金 |
US6136100A (en) * | 1999-09-29 | 2000-10-24 | Magnequench International, Inc. | Rare-earth alloy powders for magnets and process for making magnets from rare-earth alloy powders |
US6478889B2 (en) * | 1999-12-21 | 2002-11-12 | Sumitomo Special Metals Co., Ltd. | Iron-base alloy permanent magnet powder and method for producing the same |
WO2009041639A1 (ja) * | 2007-09-27 | 2009-04-02 | Hitachi Metals, Ltd. | 表面改質された希土類系焼結磁石の製造方法および表面改質された希土類系焼結磁石 |
JP5900335B2 (ja) * | 2010-06-30 | 2016-04-06 | 日立金属株式会社 | 表面改質された希土類系焼結磁石の製造方法 |
CN102737801B (zh) * | 2012-07-11 | 2014-09-17 | 北京科技大学 | 一种Sm-Fe-N各向异性磁粉的制备方法 |
CN102930974B (zh) * | 2012-10-11 | 2015-06-24 | 厦门钨业股份有限公司 | 一种基于湿度调节的烧结Nd-Fe-B系磁铁的制作方法 |
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Effective date of registration: 20240428 Address after: 558200 Lalin Industrial Park, economic development zone, Mawan Town, Dushan County, Qiannan Buyei and Miao Autonomous Prefecture, Guizhou Province Patentee after: Guizhou Faraday magnetoelectric Technology Co.,Ltd. Country or region after: China Address before: 226600 200 Jianghai West Road, Hai'an town, Hai'an County, Nantong City, Jiangsu Province Patentee before: JIANGSU JUXIN MAGNET Co.,Ltd. Country or region before: China |