CN115745589B - 一种铁氧体的制备方法 - Google Patents
一种铁氧体的制备方法 Download PDFInfo
- Publication number
- CN115745589B CN115745589B CN202211294694.5A CN202211294694A CN115745589B CN 115745589 B CN115745589 B CN 115745589B CN 202211294694 A CN202211294694 A CN 202211294694A CN 115745589 B CN115745589 B CN 115745589B
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- CN
- China
- Prior art keywords
- slurry
- fine grinding
- polyoxyethylene ether
- presintering
- ferrite
- 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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- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000000227 grinding Methods 0.000 claims abstract description 65
- 239000002002 slurry Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 49
- 239000004094 surface-active agent Substances 0.000 claims abstract description 43
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 38
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011268 mixed slurry Substances 0.000 claims abstract description 25
- 238000005245 sintering Methods 0.000 claims abstract description 25
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000007670 refining Methods 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 239000000839 emulsion Substances 0.000 claims description 40
- 239000003607 modifier Substances 0.000 claims description 14
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 11
- 230000001804 emulsifying effect Effects 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- 235000010216 calcium carbonate Nutrition 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 claims 1
- 229910000018 strontium carbonate Inorganic materials 0.000 claims 1
- LEDMRZGFZIAGGB-UHFFFAOYSA-L strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 claims 1
- 238000004945 emulsification Methods 0.000 abstract description 3
- 239000000696 magnetic material Substances 0.000 abstract description 3
- 238000010298 pulverizing process Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 26
- 239000002245 particle Substances 0.000 description 13
- 239000000654 additive Substances 0.000 description 10
- 230000000996 additive effect Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000007792 addition Methods 0.000 description 4
- 238000000498 ball milling Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 238000003746 solid phase reaction Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Soft Magnetic Materials (AREA)
- Magnetic Ceramics (AREA)
Abstract
Description
Br(Gs) | Hcb(Oe) | Hcj(Oe) | (BH)max(MGOe) | |
实施例1 | 4345 | 4078 | 4867 | 4.642 |
实施例2 | 4360 | 4057 | 4728 | 4.653 |
实施例3 | 4382 | 4090 | 4829 | 4.691 |
实施例4 | 4431 | 4124 | 4962 | 4.782 |
对比例1 | 4219 | 3957 | 4512 | 4.341 |
对比例2 | 4302 | 4021 | 4679 | 4.474 |
对比例3 | 4342 | 4038 | 4781 | 4.642 |
对比例4 | 4349 | 4058 | 4712 | 4.651 |
对比例5 | 4242 | 3981 | 4639 | 4.382 |
Claims (6)
Priority Applications (1)
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CN202211294694.5A CN115745589B (zh) | 2022-10-21 | 2022-10-21 | 一种铁氧体的制备方法 |
Applications Claiming Priority (1)
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CN202211294694.5A CN115745589B (zh) | 2022-10-21 | 2022-10-21 | 一种铁氧体的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN115745589A CN115745589A (zh) | 2023-03-07 |
CN115745589B true CN115745589B (zh) | 2023-11-14 |
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CN202211294694.5A Active CN115745589B (zh) | 2022-10-21 | 2022-10-21 | 一种铁氧体的制备方法 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104230325A (zh) * | 2013-06-24 | 2014-12-24 | 广东江粉磁材股份有限公司 | 制备永磁铁氧体预烧料的方法及永磁铁氧体的制备方法 |
CN106396716A (zh) * | 2016-09-28 | 2017-02-15 | 广州凯耀资产管理有限公司 | 一种增韧氮化硅陶瓷材料的制备方法 |
CN107473731A (zh) * | 2017-08-24 | 2017-12-15 | 广西新未来信息产业股份有限公司 | 一种高能量型压敏电阻及其制造方法 |
CN108101529A (zh) * | 2017-12-20 | 2018-06-01 | 横店集团东磁股份有限公司 | 一种收缩较小的永磁铁氧体磁体的生产方法 |
CN112159218A (zh) * | 2020-09-23 | 2021-01-01 | 横店集团东磁股份有限公司 | 一种低成本高性能永磁铁氧体材料的制备方法 |
CN114380589A (zh) * | 2020-10-21 | 2022-04-22 | 海安南京大学高新技术研究院 | 一种高性能永磁铁氧体的制备方法 |
WO2022141975A1 (zh) * | 2020-12-29 | 2022-07-07 | 横店集团东磁股份有限公司 | 一种永磁铁氧体材料及其制备方法 |
CN114804847A (zh) * | 2021-01-21 | 2022-07-29 | 自贡市江阳磁材有限责任公司 | 一种永磁铁氧体及其制备方法 |
-
2022
- 2022-10-21 CN CN202211294694.5A patent/CN115745589B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104230325A (zh) * | 2013-06-24 | 2014-12-24 | 广东江粉磁材股份有限公司 | 制备永磁铁氧体预烧料的方法及永磁铁氧体的制备方法 |
CN106396716A (zh) * | 2016-09-28 | 2017-02-15 | 广州凯耀资产管理有限公司 | 一种增韧氮化硅陶瓷材料的制备方法 |
CN107473731A (zh) * | 2017-08-24 | 2017-12-15 | 广西新未来信息产业股份有限公司 | 一种高能量型压敏电阻及其制造方法 |
CN108101529A (zh) * | 2017-12-20 | 2018-06-01 | 横店集团东磁股份有限公司 | 一种收缩较小的永磁铁氧体磁体的生产方法 |
CN112159218A (zh) * | 2020-09-23 | 2021-01-01 | 横店集团东磁股份有限公司 | 一种低成本高性能永磁铁氧体材料的制备方法 |
CN114380589A (zh) * | 2020-10-21 | 2022-04-22 | 海安南京大学高新技术研究院 | 一种高性能永磁铁氧体的制备方法 |
WO2022141975A1 (zh) * | 2020-12-29 | 2022-07-07 | 横店集团东磁股份有限公司 | 一种永磁铁氧体材料及其制备方法 |
CN114804847A (zh) * | 2021-01-21 | 2022-07-29 | 自贡市江阳磁材有限责任公司 | 一种永磁铁氧体及其制备方法 |
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Effective date of registration: 20240307 Address after: 231500 Factory Building 2, Industrial Zone, Guohe Town, Lujiang County, Hefei City, Anhui Province Patentee after: Anhui Longci New Material Technology Co.,Ltd. Country or region after: China Address before: 230000 Guohe Town Industrial Zone, Lujiang County, Hefei City, Anhui Province Patentee before: SINOMAG TECHNOLOGY Co.,Ltd. Country or region before: China |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method for ferrite Granted publication date: 20231114 Pledgee: Shanghai Pudong Development Bank Limited by Share Ltd. Hefei branch Pledgor: SINOMAG TECHNOLOGY Co.,Ltd. Registration number: Y2024980019743 |