JP5691515B2 - 耐食性Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法 - Google Patents
耐食性Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法 Download PDFInfo
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- JP5691515B2 JP5691515B2 JP2010293533A JP2010293533A JP5691515B2 JP 5691515 B2 JP5691515 B2 JP 5691515B2 JP 2010293533 A JP2010293533 A JP 2010293533A JP 2010293533 A JP2010293533 A JP 2010293533A JP 5691515 B2 JP5691515 B2 JP 5691515B2
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- 230000007797 corrosion Effects 0.000 title claims description 27
- 238000005260 corrosion Methods 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 52
- 239000012298 atmosphere Substances 0.000 claims description 42
- 238000001816 cooling Methods 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 30
- 239000001301 oxygen Substances 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 30
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 2
- 229910052771 Terbium Inorganic materials 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 33
- 230000004048 modification Effects 0.000 description 33
- 230000008569 process Effects 0.000 description 29
- 239000000956 alloy Substances 0.000 description 25
- 229910045601 alloy Inorganic materials 0.000 description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 18
- 239000001257 hydrogen Substances 0.000 description 17
- 229910052739 hydrogen Inorganic materials 0.000 description 17
- 239000000843 powder Substances 0.000 description 16
- 230000007423 decrease Effects 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 238000012545 processing Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 9
- 238000010298 pulverizing process Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
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- 230000009467 reduction Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002715 modification method Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010293533A JP5691515B2 (ja) | 2010-12-28 | 2010-12-28 | 耐食性Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010293533A JP5691515B2 (ja) | 2010-12-28 | 2010-12-28 | 耐食性Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012142400A JP2012142400A (ja) | 2012-07-26 |
| JP2012142400A5 JP2012142400A5 (enrdf_load_stackoverflow) | 2013-10-31 |
| JP5691515B2 true JP5691515B2 (ja) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010293533A Active JP5691515B2 (ja) | 2010-12-28 | 2010-12-28 | 耐食性Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5691515B2 (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5786398B2 (ja) * | 2011-03-24 | 2015-09-30 | 日立金属株式会社 | 表面改質されたＲ−Ｆｅ−Ｂ系焼結磁石およびその製造方法 |
| JP5914974B2 (ja) * | 2011-03-25 | 2016-05-11 | 日立金属株式会社 | 表面改質されたＲ−Ｆｅ−Ｂ系焼結磁石の製造方法 |
| JP6037213B2 (ja) * | 2012-09-20 | 2016-12-07 | 日立金属株式会社 | 表面改質されたＲ−Ｆｅ−Ｂ系焼結磁石の製造方法 |
| JP6631080B2 (ja) * | 2015-08-11 | 2020-01-15 | セイコーエプソン株式会社 | 焼結体の製造方法および加熱炉 |
| CN109192424B (zh) * | 2018-08-29 | 2020-06-30 | 宁波招宝磁业有限公司 | 一种超高矫顽力烧结钕铁硼磁体 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4645854B2 (ja) * | 2007-08-24 | 2011-03-09 | 信越化学工業株式会社 | 希土類永久磁石の製造方法 |
| JP5326746B2 (ja) * | 2009-03-26 | 2013-10-30 | 日立金属株式会社 | 表面改質されたＲ−Ｆｅ−Ｂ系焼結磁石の製造方法 |
| JP5326747B2 (ja) * | 2009-03-26 | 2013-10-30 | 日立金属株式会社 | Ｒ−Ｆｅ−Ｂ系焼結磁石の脱粒防止方法 |
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- 2010-12-28 JP JP2010293533A patent/JP5691515B2/ja active Active
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| Publication number | Publication date |
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| JP2012142400A (ja) | 2012-07-26 |
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