CN103831435A - 磁体合金粉末与其磁体的制造方法 - Google Patents
磁体合金粉末与其磁体的制造方法 Download PDFInfo
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- CN103831435A CN103831435A CN201410044652.5A CN201410044652A CN103831435A CN 103831435 A CN103831435 A CN 103831435A CN 201410044652 A CN201410044652 A CN 201410044652A CN 103831435 A CN103831435 A CN 103831435A
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- 239000000956 alloy Substances 0.000 title claims abstract description 115
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 238000012216 screening Methods 0.000 claims abstract description 71
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 37
- 239000001257 hydrogen Substances 0.000 claims abstract description 37
- 238000010298 pulverizing process Methods 0.000 claims abstract description 35
- 238000005266 casting Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 46
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 9
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
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- 239000010959 steel Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 19
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 2
- 230000008569 process Effects 0.000 description 20
- 238000005245 sintering Methods 0.000 description 15
- 238000007599 discharging Methods 0.000 description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 229910052761 rare earth metal Inorganic materials 0.000 description 10
- 150000002910 rare earth metals Chemical class 0.000 description 8
- 238000009826 distribution Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
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- 229910052786 argon Inorganic materials 0.000 description 5
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- JGHZJRVDZXSNKQ-UHFFFAOYSA-N methyl octanoate Chemical compound CCCCCCCC(=O)OC JGHZJRVDZXSNKQ-UHFFFAOYSA-N 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- ATVJXMYDOSMEPO-UHFFFAOYSA-N 3-prop-2-enoxyprop-1-ene Chemical compound C=CCOCC=C ATVJXMYDOSMEPO-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
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- 229930195729 fatty acid Natural products 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- 238000003672 processing method Methods 0.000 description 1
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- 238000007873 sieving Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104091687A (zh) * | 2014-07-30 | 2014-10-08 | 厦门钨业股份有限公司 | 稀土磁铁的制造方法、磁铁和异常大晶粒成因的检测方法 |
CN104607293A (zh) * | 2015-01-19 | 2015-05-13 | 宁波华辉磁业有限公司 | 一种钕铁硼永磁材料的生产工艺及对应的气流磨破碎机 |
CN105562327A (zh) * | 2015-12-31 | 2016-05-11 | 包头韵升强磁材料有限公司 | 一种滤除钕铁硼合金薄带中杂质的方法和装置 |
TWI617676B (zh) * | 2015-09-28 | 2018-03-11 | 廈門鎢業股份有限公司 | 複合含有Pr和W的R-Fe-B系稀土燒結磁鐵 |
CN110340002A (zh) * | 2019-06-24 | 2019-10-18 | 北京祐林永磁材料有限公司 | 一种钕铁硼选别机 |
Citations (4)
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CN102456458A (zh) * | 2010-10-15 | 2012-05-16 | 中国科学院宁波材料技术与工程研究所 | 高耐蚀性烧结钕铁硼磁体及其制备方法 |
CN102956337A (zh) * | 2012-11-09 | 2013-03-06 | 厦门钨业股份有限公司 | 一种烧结Nd-Fe-B系磁铁的省却工序的制作方法 |
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 |
CN103474189A (zh) * | 2013-09-10 | 2013-12-25 | 韩盛伟 | 一种钕铁硼永磁材料的制备方法 |
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- 2014-01-27 CN CN201410044652.5A patent/CN103831435B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102456458A (zh) * | 2010-10-15 | 2012-05-16 | 中国科学院宁波材料技术与工程研究所 | 高耐蚀性烧结钕铁硼磁体及其制备方法 |
CN102956337A (zh) * | 2012-11-09 | 2013-03-06 | 厦门钨业股份有限公司 | 一种烧结Nd-Fe-B系磁铁的省却工序的制作方法 |
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 |
CN103474189A (zh) * | 2013-09-10 | 2013-12-25 | 韩盛伟 | 一种钕铁硼永磁材料的制备方法 |
Non-Patent Citations (1)
Title |
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韩劲等: "烧结NdFeB铸造新工艺-薄片铸锭法", 《材料科学与工艺》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104091687A (zh) * | 2014-07-30 | 2014-10-08 | 厦门钨业股份有限公司 | 稀土磁铁的制造方法、磁铁和异常大晶粒成因的检测方法 |
CN104091687B (zh) * | 2014-07-30 | 2016-04-06 | 厦门钨业股份有限公司 | 稀土磁铁的制造方法、磁铁和异常大晶粒成因的检测方法 |
CN104607293A (zh) * | 2015-01-19 | 2015-05-13 | 宁波华辉磁业有限公司 | 一种钕铁硼永磁材料的生产工艺及对应的气流磨破碎机 |
TWI617676B (zh) * | 2015-09-28 | 2018-03-11 | 廈門鎢業股份有限公司 | 複合含有Pr和W的R-Fe-B系稀土燒結磁鐵 |
CN105562327A (zh) * | 2015-12-31 | 2016-05-11 | 包头韵升强磁材料有限公司 | 一种滤除钕铁硼合金薄带中杂质的方法和装置 |
CN110340002A (zh) * | 2019-06-24 | 2019-10-18 | 北京祐林永磁材料有限公司 | 一种钕铁硼选别机 |
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Effective date of registration: 20190626 Address after: No. 1005 Anling Road, Huli District, Xiamen City, Fujian Province, 361000 Co-patentee after: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Patentee after: XIAMEN TUNGSTEN Co.,Ltd. Address before: 361015 No. 1005 Anling Road, Huli District, Xiamen City, Fujian Province Patentee before: XIAMEN TUNGSTEN Co.,Ltd. |
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Effective date of registration: 20220701 Address after: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Address before: No. 1005 Anling Road, Huli District, Xiamen City, Fujian Province, 361000 Patentee before: XIAMEN TUNGSTEN Co.,Ltd. Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |
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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. Address before: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |
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