CN108285348B - 一种干压异性永磁铁氧体用磁粉的制造方法 - Google Patents
一种干压异性永磁铁氧体用磁粉的制造方法 Download PDFInfo
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- CN108285348B CN108285348B CN201810130155.5A CN201810130155A CN108285348B CN 108285348 B CN108285348 B CN 108285348B CN 201810130155 A CN201810130155 A CN 201810130155A CN 108285348 B CN108285348 B CN 108285348B
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000006247 magnetic powder Substances 0.000 title claims abstract description 40
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 56
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 30
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 22
- 238000009837 dry grinding Methods 0.000 claims abstract description 19
- 238000000227 grinding Methods 0.000 claims abstract description 18
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 16
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 13
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 13
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 13
- 239000008116 calcium stearate Substances 0.000 claims abstract description 13
- 229910000018 strontium carbonate Inorganic materials 0.000 claims abstract description 13
- DSSYKIVIOFKYAU-XVKPBYJWSA-N (1s,4r)-4,7,7-trimethylbicyclo[2.2.1]heptan-3-one Chemical compound C1C[C@@]2(C)C(=O)C[C@H]1C2(C)C DSSYKIVIOFKYAU-XVKPBYJWSA-N 0.000 claims abstract description 12
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims abstract description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 23
- 238000005245 sintering Methods 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 8
- 239000006184 cosolvent Substances 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 159000000009 barium salts Chemical class 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 159000000000 sodium salts Chemical group 0.000 claims description 2
- 159000000008 strontium salts Chemical class 0.000 claims description 2
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000001238 wet grinding Methods 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000018044 dehydration Effects 0.000 abstract description 4
- 238000006297 dehydration reaction Methods 0.000 abstract description 4
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 13
- 239000013078 crystal Substances 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 8
- 239000006249 magnetic particle Substances 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 239000002002 slurry Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
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- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- LEDMRZGFZIAGGB-UHFFFAOYSA-L strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
Description
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CN201810130155.5A CN108285348B (zh) | 2018-02-08 | 2018-02-08 | 一种干压异性永磁铁氧体用磁粉的制造方法 |
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CN109161783A (zh) * | 2018-08-16 | 2019-01-08 | 安徽信息工程学院 | 金属陶瓷复合材料的制备方法 |
CN112908676A (zh) * | 2021-02-05 | 2021-06-04 | 浙江安特磁材股份有限公司 | 一种干压成型用永磁铁氧体磁粉及其制备方法 |
CN113651608A (zh) * | 2021-08-25 | 2021-11-16 | 上海宝钢磁业有限公司 | 干压永磁铁氧体及其制备方法和应用 |
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