CN112185642A - 一种球磨改性溶胶-凝胶包覆磁粉芯的方法 - Google Patents
一种球磨改性溶胶-凝胶包覆磁粉芯的方法 Download PDFInfo
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- CN112185642A CN112185642A CN202011010561.1A CN202011010561A CN112185642A CN 112185642 A CN112185642 A CN 112185642A CN 202011010561 A CN202011010561 A CN 202011010561A CN 112185642 A CN112185642 A CN 112185642A
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- magnetic powder
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- 238000000498 ball milling Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 31
- 238000000576 coating method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 229910002706 AlOOH Inorganic materials 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 11
- 229910052594 sapphire Inorganic materials 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000012298 atmosphere Substances 0.000 claims description 13
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000000314 lubricant Substances 0.000 claims description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 229910005347 FeSi Inorganic materials 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 230000032683 aging Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
- 229910002555 FeNi Inorganic materials 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 229920002050 silicone resin Polymers 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 238000003801 milling Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000003760 magnetic stirring Methods 0.000 description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Powder Metallurgy (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (10)
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CN202011010561.1A CN112185642A (zh) | 2020-09-23 | 2020-09-23 | 一种球磨改性溶胶-凝胶包覆磁粉芯的方法 |
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CN202011010561.1A CN112185642A (zh) | 2020-09-23 | 2020-09-23 | 一种球磨改性溶胶-凝胶包覆磁粉芯的方法 |
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CN202011010561.1A Pending CN112185642A (zh) | 2020-09-23 | 2020-09-23 | 一种球磨改性溶胶-凝胶包覆磁粉芯的方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022198539A1 (zh) * | 2021-03-25 | 2022-09-29 | 江西艾特磁材有限公司 | 一种球磨改性溶胶-凝胶包覆磁粉芯的方法 |
CN115588548A (zh) * | 2022-11-04 | 2023-01-10 | 广东泛瑞新材料有限公司 | 一种合金磁粉芯及其制备方法和应用 |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1403411A (zh) * | 2001-08-23 | 2003-03-19 | 北京航空材料研究院 | 一种利用液-固凝胶反应法合成陶瓷粉体的方法 |
CN1412119A (zh) * | 2002-11-29 | 2003-04-23 | 武汉理工大学 | 一种有机酸络合燃烧合成锂离子电池正极材料的方法 |
CN1559943A (zh) * | 2004-02-18 | 2005-01-05 | 哈尔滨工业大学 | 一种制备锂铝硅系微晶玻璃超细粉末的高分子网络凝胶法 |
CN1909124A (zh) * | 2006-08-23 | 2007-02-07 | 北京科技大学 | 大尺寸稀土烧结磁体的磁场凝胶注模成型方法 |
CN101100309A (zh) * | 2007-06-29 | 2008-01-09 | 西北大学 | 钛酸钡纳米粉体及其陶瓷的制备方法 |
CN101217194A (zh) * | 2007-12-27 | 2008-07-09 | 上海交通大学 | 一种镁二次电池正极材料及其制备方法 |
CN101556996A (zh) * | 2009-05-19 | 2009-10-14 | 厦门大学 | 可充锂电池用尖晶石锂锰钛氧化物正极材料的制备方法 |
CN101826615A (zh) * | 2010-06-13 | 2010-09-08 | 哈尔滨工业大学 | 锂离子电池纳米晶钛酸锂阳极材料的制备方法 |
CN102079530A (zh) * | 2009-11-29 | 2011-06-01 | 宁波大学 | 一种溶胶凝胶技术制备锂离子电池正极材料硼酸铁锂的方法 |
CN104368807A (zh) * | 2013-08-13 | 2015-02-25 | 东睦新材料集团股份有限公司 | 一种金属软磁复合材料用粉末的包覆方法及磁体的制备方法 |
CN108101114A (zh) * | 2017-12-21 | 2018-06-01 | 湖南大学 | 一种双壳层结构的纳米铁氧体复合材料及其制备方法 |
CN108269670A (zh) * | 2018-02-01 | 2018-07-10 | 广东美瑞克微金属磁电科技有限公司 | 一种铁硅铝软磁合金粉末的绝缘及包裹处理方法 |
CN108335820A (zh) * | 2018-02-23 | 2018-07-27 | 同济大学 | 稳定磁导率低损耗的磁粉芯材料及其制备方法 |
CN109095919A (zh) * | 2018-08-01 | 2018-12-28 | 浙江大学 | 一种具有多级微结构分布的钛酸钡/四氧化三钴复相毫米波吸波粉体及制备方法 |
CN109754979A (zh) * | 2019-01-25 | 2019-05-14 | 同济大学 | 一种多层包覆软磁复合材料及其制备方法 |
CN109996833A (zh) * | 2016-11-16 | 2019-07-09 | 株式会社日本触媒 | 吸水性树脂粉末的制造方法、以及颗粒状含水凝胶的干燥装置及干燥方法 |
-
2020
- 2020-09-23 CN CN202011010561.1A patent/CN112185642A/zh active Pending
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1403411A (zh) * | 2001-08-23 | 2003-03-19 | 北京航空材料研究院 | 一种利用液-固凝胶反应法合成陶瓷粉体的方法 |
CN1412119A (zh) * | 2002-11-29 | 2003-04-23 | 武汉理工大学 | 一种有机酸络合燃烧合成锂离子电池正极材料的方法 |
CN1559943A (zh) * | 2004-02-18 | 2005-01-05 | 哈尔滨工业大学 | 一种制备锂铝硅系微晶玻璃超细粉末的高分子网络凝胶法 |
CN1909124A (zh) * | 2006-08-23 | 2007-02-07 | 北京科技大学 | 大尺寸稀土烧结磁体的磁场凝胶注模成型方法 |
CN101100309A (zh) * | 2007-06-29 | 2008-01-09 | 西北大学 | 钛酸钡纳米粉体及其陶瓷的制备方法 |
CN101217194A (zh) * | 2007-12-27 | 2008-07-09 | 上海交通大学 | 一种镁二次电池正极材料及其制备方法 |
CN101556996A (zh) * | 2009-05-19 | 2009-10-14 | 厦门大学 | 可充锂电池用尖晶石锂锰钛氧化物正极材料的制备方法 |
CN102079530A (zh) * | 2009-11-29 | 2011-06-01 | 宁波大学 | 一种溶胶凝胶技术制备锂离子电池正极材料硼酸铁锂的方法 |
CN101826615A (zh) * | 2010-06-13 | 2010-09-08 | 哈尔滨工业大学 | 锂离子电池纳米晶钛酸锂阳极材料的制备方法 |
CN104368807A (zh) * | 2013-08-13 | 2015-02-25 | 东睦新材料集团股份有限公司 | 一种金属软磁复合材料用粉末的包覆方法及磁体的制备方法 |
CN109996833A (zh) * | 2016-11-16 | 2019-07-09 | 株式会社日本触媒 | 吸水性树脂粉末的制造方法、以及颗粒状含水凝胶的干燥装置及干燥方法 |
CN108101114A (zh) * | 2017-12-21 | 2018-06-01 | 湖南大学 | 一种双壳层结构的纳米铁氧体复合材料及其制备方法 |
CN108269670A (zh) * | 2018-02-01 | 2018-07-10 | 广东美瑞克微金属磁电科技有限公司 | 一种铁硅铝软磁合金粉末的绝缘及包裹处理方法 |
CN108335820A (zh) * | 2018-02-23 | 2018-07-27 | 同济大学 | 稳定磁导率低损耗的磁粉芯材料及其制备方法 |
CN109095919A (zh) * | 2018-08-01 | 2018-12-28 | 浙江大学 | 一种具有多级微结构分布的钛酸钡/四氧化三钴复相毫米波吸波粉体及制备方法 |
CN109754979A (zh) * | 2019-01-25 | 2019-05-14 | 同济大学 | 一种多层包覆软磁复合材料及其制备方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022198539A1 (zh) * | 2021-03-25 | 2022-09-29 | 江西艾特磁材有限公司 | 一种球磨改性溶胶-凝胶包覆磁粉芯的方法 |
CN115588548A (zh) * | 2022-11-04 | 2023-01-10 | 广东泛瑞新材料有限公司 | 一种合金磁粉芯及其制备方法和应用 |
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Application publication date: 20210105 |
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