JP7468045B2 - フェライト仮焼体粉末、フェライト焼結磁石及びその製造方法 - Google Patents
フェライト仮焼体粉末、フェライト焼結磁石及びその製造方法 Download PDFInfo
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- JP7468045B2 JP7468045B2 JP2020052528A JP2020052528A JP7468045B2 JP 7468045 B2 JP7468045 B2 JP 7468045B2 JP 2020052528 A JP2020052528 A JP 2020052528A JP 2020052528 A JP2020052528 A JP 2020052528A JP 7468045 B2 JP7468045 B2 JP 7468045B2
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- 229910000859 α-Fe Inorganic materials 0.000 title claims description 81
- 239000000843 powder Substances 0.000 title claims description 64
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000005245 sintering Methods 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 26
- 239000002994 raw material Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 238000001354 calcination Methods 0.000 claims description 20
- 238000000465 moulding Methods 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 229910052725 zinc Inorganic materials 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 229910052681 coesite Inorganic materials 0.000 claims description 11
- 229910052906 cristobalite Inorganic materials 0.000 claims description 11
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims description 11
- 229910052682 stishovite Inorganic materials 0.000 claims description 11
- 229910052905 tridymite Inorganic materials 0.000 claims description 11
- 238000010298 pulverizing process Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 16
- 239000011575 calcium Substances 0.000 description 15
- 229910004298 SiO 2 Inorganic materials 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 12
- 238000010304 firing Methods 0.000 description 11
- 239000002002 slurry Substances 0.000 description 11
- 239000012071 phase Substances 0.000 description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 235000010216 calcium carbonate Nutrition 0.000 description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000002612 dispersion medium Substances 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- -1 oxides Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000001238 wet grinding Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910018916 CoOOH Inorganic materials 0.000 description 1
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- 229910020854 La(OH)3 Inorganic materials 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
- 239000000654 additive Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000004227 calcium gluconate Substances 0.000 description 1
- 229960004494 calcium gluconate Drugs 0.000 description 1
- 235000013927 calcium gluconate Nutrition 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
- ZJRWDIJRKKXMNW-UHFFFAOYSA-N carbonic acid;cobalt Chemical compound [Co].OC(O)=O ZJRWDIJRKKXMNW-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910000001 cobalt(II) carbonate Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 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
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Silicon Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020052528A JP7468045B2 (ja) | 2020-03-24 | 2020-03-24 | フェライト仮焼体粉末、フェライト焼結磁石及びその製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020052528A JP7468045B2 (ja) | 2020-03-24 | 2020-03-24 | フェライト仮焼体粉末、フェライト焼結磁石及びその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021153093A JP2021153093A (ja) | 2021-09-30 |
| JP2021153093A5 JP2021153093A5 (enExample) | 2023-02-20 |
| JP7468045B2 true JP7468045B2 (ja) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020052528A Active JP7468045B2 (ja) | 2020-03-24 | 2020-03-24 | フェライト仮焼体粉末、フェライト焼結磁石及びその製造方法 |
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| JP (1) | JP7468045B2 (enExample) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001052912A (ja) | 1999-08-17 | 2001-02-23 | Hitachi Metals Ltd | フェライト磁石材料およびそれを用いた焼結磁石ならびにボンド磁石 |
| JP2009246243A (ja) | 2008-03-31 | 2009-10-22 | Tdk Corp | フェライト焼結磁石 |
| JP2015020926A (ja) | 2013-07-18 | 2015-02-02 | 日立金属株式会社 | フェライト化合物 |
| JP2018160672A (ja) | 2017-03-23 | 2018-10-11 | 日立金属株式会社 | 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 |
| WO2018216594A1 (ja) | 2017-05-24 | 2018-11-29 | 日立金属株式会社 | フェライト焼結磁石 |
-
2020
- 2020-03-24 JP JP2020052528A patent/JP7468045B2/ja active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001052912A (ja) | 1999-08-17 | 2001-02-23 | Hitachi Metals Ltd | フェライト磁石材料およびそれを用いた焼結磁石ならびにボンド磁石 |
| JP2009246243A (ja) | 2008-03-31 | 2009-10-22 | Tdk Corp | フェライト焼結磁石 |
| JP2015020926A (ja) | 2013-07-18 | 2015-02-02 | 日立金属株式会社 | フェライト化合物 |
| JP2018160672A (ja) | 2017-03-23 | 2018-10-11 | 日立金属株式会社 | 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 |
| WO2018216594A1 (ja) | 2017-05-24 | 2018-11-29 | 日立金属株式会社 | フェライト焼結磁石 |
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| Publication number | Publication date |
|---|---|
| JP2021153093A (ja) | 2021-09-30 |
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