JP5408521B2 - 焼結磁石の製造方法 - Google Patents
焼結磁石の製造方法 Download PDFInfo
- Publication number
- JP5408521B2 JP5408521B2 JP2007295915A JP2007295915A JP5408521B2 JP 5408521 B2 JP5408521 B2 JP 5408521B2 JP 2007295915 A JP2007295915 A JP 2007295915A JP 2007295915 A JP2007295915 A JP 2007295915A JP 5408521 B2 JP5408521 B2 JP 5408521B2
- Authority
- JP
- Japan
- Prior art keywords
- sintered magnet
- ferrite
- magnet
- powder
- raw material
- 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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- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 229910000859 α-Fe Inorganic materials 0.000 claims description 40
- 239000000843 powder Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 22
- 238000001354 calcination Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 18
- 238000005245 sintering Methods 0.000 claims description 17
- 238000010298 pulverizing process Methods 0.000 claims description 15
- 239000000696 magnetic material Substances 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 7
- 239000010419 fine particle Substances 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 230000004907 flux Effects 0.000 description 12
- 239000012071 phase Substances 0.000 description 9
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000006247 magnetic powder Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 239000011575 calcium Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 229910052761 rare earth metal Inorganic materials 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910020599 Co 3 O 4 Inorganic materials 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 235000013980 iron oxide Nutrition 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000003746 solid phase reaction Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- -1 CaCO 3 Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229960004494 calcium gluconate Drugs 0.000 description 1
- 235000013927 calcium gluconate Nutrition 0.000 description 1
- 239000004227 calcium gluconate Substances 0.000 description 1
- NEEHYRZPVYRGPP-UHFFFAOYSA-L calcium;2,3,4,5,6-pentahydroxyhexanoate Chemical compound [Ca+2].OCC(O)C(O)C(O)C(O)C([O-])=O.OCC(O)C(O)C(O)C(O)C([O-])=O NEEHYRZPVYRGPP-UHFFFAOYSA-L 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005118 spray pyrolysis Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Magnetic Ceramics (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007295915A JP5408521B2 (ja) | 2007-11-14 | 2007-11-14 | 焼結磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007295915A JP5408521B2 (ja) | 2007-11-14 | 2007-11-14 | 焼結磁石の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009120442A JP2009120442A (ja) | 2009-06-04 |
| JP2009120442A5 JP2009120442A5 (https=) | 2011-10-06 |
| JP5408521B2 true JP5408521B2 (ja) | 2014-02-05 |
Family
ID=40813023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007295915A Active JP5408521B2 (ja) | 2007-11-14 | 2007-11-14 | 焼結磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5408521B2 (https=) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101649242B1 (ko) | 2009-06-30 | 2016-08-18 | 히타치 긴조쿠 가부시키가이샤 | 페라이트 소결 자석의 제조 방법 및 페라이트 소결 자석 |
| CN102815934A (zh) * | 2012-08-13 | 2012-12-12 | 镇江金港磁性元件有限公司(中外合资） | 高性能钙镧铁氧体永磁材料及其制备方法 |
| CN103848622A (zh) * | 2012-11-30 | 2014-06-11 | 日立金属株式会社 | 铁氧体化合物 |
| JP6070454B2 (ja) * | 2013-07-18 | 2017-02-01 | 日立金属株式会社 | フェライト化合物 |
| CN110114844A (zh) * | 2016-12-22 | 2019-08-09 | Tdk株式会社 | 铁氧体烧结磁铁、铁氧体颗粒、粘结磁铁、电动机和发电机 |
| CN107799256B (zh) * | 2017-11-16 | 2019-08-13 | 南京信息工程大学 | 一种永磁复合材料及制备方法 |
| JP7135490B2 (ja) * | 2018-06-21 | 2022-09-13 | Tdk株式会社 | フェライト焼結磁石、モータ、及び発電機 |
| JP7056404B2 (ja) * | 2018-02-26 | 2022-04-19 | Tdk株式会社 | フェライト焼結磁石、モータ、及び発電機 |
| US11450458B2 (en) | 2018-02-26 | 2022-09-20 | Tdk Corporation | Ferrite sintered magnet, motor and generator |
| JP7338361B2 (ja) * | 2019-09-25 | 2023-09-05 | Tdk株式会社 | フェライト焼結磁石 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4919636B2 (ja) * | 2004-09-10 | 2012-04-18 | 日立金属株式会社 | 酸化物磁性材料および焼結磁石 |
| JP4591684B2 (ja) * | 2005-01-27 | 2010-12-01 | Ｔｄｋ株式会社 | フェライト磁性材料及びその製造方法 |
| JP4078566B2 (ja) * | 2005-11-25 | 2008-04-23 | 日立金属株式会社 | 酸化物磁性材料及びその製造方法、並びにフェライト焼結磁石及びその製造方法 |
| US7919007B2 (en) * | 2005-12-19 | 2011-04-05 | Tdk Corporation | Ferrite magnetic material |
| EP1968077A4 (en) * | 2005-12-28 | 2009-04-15 | Hitachi Metals Ltd | MAGNETIC OXIDE MATERIAL |
| JP4788668B2 (ja) * | 2007-06-15 | 2011-10-05 | Ｔｄｋ株式会社 | フェライト焼結磁石の製造方法及びフェライト焼結磁石 |
-
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- 2007-11-14 JP JP2007295915A patent/JP5408521B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009120442A (ja) | 2009-06-04 |
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