JP4283802B2 - NdFeB系焼結磁石の製造方法 - Google Patents
NdFeB系焼結磁石の製造方法 Download PDFInfo
- Publication number
- JP4283802B2 JP4283802B2 JP2005378823A JP2005378823A JP4283802B2 JP 4283802 B2 JP4283802 B2 JP 4283802B2 JP 2005378823 A JP2005378823 A JP 2005378823A JP 2005378823 A JP2005378823 A JP 2005378823A JP 4283802 B2 JP4283802 B2 JP 4283802B2
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- JP
- Japan
- Prior art keywords
- mold
- alloy powder
- powder
- ndfeb
- sintering temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000843 powder Substances 0.000 claims description 77
- 229910045601 alloy Inorganic materials 0.000 claims description 56
- 239000000956 alloy Substances 0.000 claims description 56
- 239000002245 particle Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 3
- 229910000967 As alloy Inorganic materials 0.000 claims 1
- 238000005245 sintering Methods 0.000 description 50
- 239000010935 stainless steel Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 238000001159 Fisher's combined probability test Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- NUKZAGXMHTUAFE-UHFFFAOYSA-N methyl hexanoate Chemical compound CCCCCC(=O)OC NUKZAGXMHTUAFE-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005378823A JP4283802B2 (ja) | 2005-12-28 | 2005-12-28 | NdFeB系焼結磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005378823A JP4283802B2 (ja) | 2005-12-28 | 2005-12-28 | NdFeB系焼結磁石の製造方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008201034A Division JP4966269B2 (ja) | 2008-08-04 | 2008-08-04 | NdFeB系焼結磁石の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007180374A JP2007180374A (ja) | 2007-07-12 |
| JP2007180374A5 JP2007180374A5 (enExample) | 2007-08-23 |
| JP4283802B2 true JP4283802B2 (ja) | 2009-06-24 |
Family
ID=38305251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005378823A Expired - Fee Related JP4283802B2 (ja) | 2005-12-28 | 2005-12-28 | NdFeB系焼結磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4283802B2 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009122709A1 (ja) | 2008-03-31 | 2009-10-08 | 日立金属株式会社 | R-t-b系焼結磁石およびその製造方法 |
| KR20150133280A (ko) * | 2013-03-25 | 2015-11-27 | 인터메탈릭스 가부시키가이샤 | 소결 자석 제조 방법 |
| JP6372088B2 (ja) * | 2013-03-29 | 2018-08-15 | 大同特殊鋼株式会社 | RFeB系磁石の製造方法 |
| CN112614685B (zh) * | 2020-11-26 | 2022-06-24 | 宁波源盛磁业有限公司 | 一种烧结钕铁硼永磁体控氧制备方法及制得的钕铁硼永磁体 |
-
2005
- 2005-12-28 JP JP2005378823A patent/JP4283802B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007180374A (ja) | 2007-07-12 |
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