JP7396137B2 - フェライト仮焼体、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、フェライト焼結磁石及びその製造方法 Download PDFInfo
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- JP7396137B2 JP7396137B2 JP2020046198A JP2020046198A JP7396137B2 JP 7396137 B2 JP7396137 B2 JP 7396137B2 JP 2020046198 A JP2020046198 A JP 2020046198A JP 2020046198 A JP2020046198 A JP 2020046198A JP 7396137 B2 JP7396137 B2 JP 7396137B2
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- Prior art keywords
- sintered
- calcined body
- ferrite
- mass
- powder
- 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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Links
- 229910000859 α-Fe Inorganic materials 0.000 title claims description 98
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 239000000843 powder Substances 0.000 claims description 69
- 238000000034 method Methods 0.000 claims description 41
- 238000010304 firing Methods 0.000 claims description 35
- 238000001354 calcination Methods 0.000 claims description 27
- 239000002994 raw material Substances 0.000 claims description 25
- 238000010298 pulverizing process Methods 0.000 claims description 22
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 21
- 238000005245 sintering Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 229910052681 coesite Inorganic materials 0.000 claims 1
- 229910052906 cristobalite Inorganic materials 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 229910052682 stishovite Inorganic materials 0.000 claims 1
- 229910052905 tridymite Inorganic materials 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 44
- 239000011575 calcium Substances 0.000 description 28
- 239000000203 mixture Substances 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 13
- 239000012071 phase Substances 0.000 description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 239000002002 slurry Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000010438 heat treatment Methods 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 6
- 230000007423 decrease Effects 0.000 description 6
- 239000002612 dispersion medium Substances 0.000 description 6
- -1 oxides Chemical class 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 229910052712 strontium Inorganic materials 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052746 lanthanum Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910020599 Co 3 O 4 Inorganic materials 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 239000013078 crystal Substances 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
- 239000000696 magnetic material Substances 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910020521 Co—Zn Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 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
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 229910017771 LaFeO 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
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229960004494 calcium gluconate Drugs 0.000 description 1
- 239000004227 calcium gluconate Substances 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
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910000001 cobalt(II) carbonate Inorganic materials 0.000 description 1
- 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 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 238000011049 filling 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity 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
- 235000014413 iron hydroxide Nutrition 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
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 150000002739 metals Chemical class 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
- 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
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020046198A JP7396137B2 (ja) | 2020-03-17 | 2020-03-17 | フェライト仮焼体、フェライト焼結磁石及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020046198A JP7396137B2 (ja) | 2020-03-17 | 2020-03-17 | フェライト仮焼体、フェライト焼結磁石及びその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021150362A JP2021150362A (ja) | 2021-09-27 |
| JP2021150362A5 JP2021150362A5 (enExample) | 2023-02-20 |
| JP7396137B2 true JP7396137B2 (ja) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020046198A Active JP7396137B2 (ja) | 2020-03-17 | 2020-03-17 | フェライト仮焼体、フェライト焼結磁石及びその製造方法 |
Country Status (1)
| Country | Link |
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| JP (1) | JP7396137B2 (enExample) |
Citations (6)
| 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 |
| WO2007077811A1 (ja) | 2005-12-28 | 2007-07-12 | Hitachi Metals, Ltd. | 酸化物磁性材料 |
| WO2007105398A1 (ja) | 2006-03-10 | 2007-09-20 | Hitachi Metals, Ltd. | 回転機、ボンド磁石、マグネットロール、及びフェライト焼結磁石の製造方法 |
| 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 |
-
2020
- 2020-03-17 JP JP2020046198A patent/JP7396137B2/ja active Active
Patent Citations (6)
| 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 |
| WO2007077811A1 (ja) | 2005-12-28 | 2007-07-12 | Hitachi Metals, Ltd. | 酸化物磁性材料 |
| WO2007105398A1 (ja) | 2006-03-10 | 2007-09-20 | Hitachi Metals, Ltd. | 回転機、ボンド磁石、マグネットロール、及びフェライト焼結磁石の製造方法 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021150362A (ja) | 2021-09-27 |
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