CN102945720A - 一种高直流偏置特性铁硅铝磁粉芯的制备方法 - Google Patents
一种高直流偏置特性铁硅铝磁粉芯的制备方法 Download PDFInfo
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- CN102945720A CN102945720A CN2012103895207A CN201210389520A CN102945720A CN 102945720 A CN102945720 A CN 102945720A CN 2012103895207 A CN2012103895207 A CN 2012103895207A CN 201210389520 A CN201210389520 A CN 201210389520A CN 102945720 A CN102945720 A CN 102945720A
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- 229910000702 sendust Inorganic materials 0.000 title claims abstract description 116
- 238000002360 preparation method Methods 0.000 title claims description 17
- 239000000843 powder Substances 0.000 claims abstract description 283
- 229910052751 metal Inorganic materials 0.000 claims abstract description 95
- 239000002184 metal Substances 0.000 claims abstract description 95
- 239000006247 magnetic powder Substances 0.000 claims abstract description 63
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 58
- 239000004033 plastic Substances 0.000 claims abstract description 37
- 238000002161 passivation Methods 0.000 claims abstract description 35
- 239000011230 binding agent Substances 0.000 claims abstract description 29
- 239000000314 lubricant Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 238000000748 compression moulding Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 80
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 40
- 239000003085 diluting agent Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 24
- 229910000889 permalloy Inorganic materials 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 10
- 125000003158 alcohol group Chemical group 0.000 claims description 9
- 239000010445 mica Substances 0.000 claims description 9
- 229910052618 mica group Inorganic materials 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 4
- 235000020610 powder formula Nutrition 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 8
- 230000035699 permeability Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
Description
样品 | 磁导率 | 电感下降率(50 Oe) | 磁场(电感下降50%),Oe |
方案1 | 125 | 56% | 46 |
方案2 | 60 | 27% | 105 |
常规铁硅铝产品1 | 125 | 70% | 38 |
常规铁硅铝产品2 | 60 | 35% | 85 |
样品 | 磁导率 | 电感下降率(50 Oe) | 磁场(电感下降50%),Oe |
实施例1 | 125 | 68% | 39 |
实施例3 | 125 | 65% | 40 |
实施例4 | 125 | 62% | 42 |
实施例5 | 125 | 56% | 46 |
常规铁硅铝产品 | 125 | 70% | 38 |
Claims (6)
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CN201210389520.7A CN102945720B (zh) | 2012-10-15 | 2012-10-15 | 一种高直流偏置特性铁硅铝磁粉芯的制备方法 |
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CN201210389520.7A CN102945720B (zh) | 2012-10-15 | 2012-10-15 | 一种高直流偏置特性铁硅铝磁粉芯的制备方法 |
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CN102945720A true CN102945720A (zh) | 2013-02-27 |
CN102945720B CN102945720B (zh) | 2016-08-03 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103325515A (zh) * | 2013-07-03 | 2013-09-25 | 王强 | 磁性环氧树脂粉体溶剂及其用于封装电感的方法 |
CN104505209A (zh) * | 2014-12-22 | 2015-04-08 | 合肥工业大学 | 一种金属软磁复合粉芯及其制备方法 |
CN105336492A (zh) * | 2015-12-11 | 2016-02-17 | 广东工业大学 | 一种基于硼酸为反应剂降低铁硅铝磁粉芯损耗的表面绝缘处理方法 |
CN109680210A (zh) * | 2018-12-18 | 2019-04-26 | 横店集团东磁股份有限公司 | 一种μ=150~250铁硅铝软磁磁粉芯的制备方法 |
CN109950016A (zh) * | 2019-04-18 | 2019-06-28 | 中南大学 | 一种提高硬脆性Fe基磁粉芯磁性能的方法 |
CN111009405A (zh) * | 2019-11-11 | 2020-04-14 | 山西中磁尚善科技有限公司 | 一种磁粉制备工艺 |
CN112420307A (zh) * | 2019-08-20 | 2021-02-26 | 山东精创磁电产业技术研究院有限公司 | 一种通过植酸表面处理制备软磁复合材料的方法 |
CN113369474A (zh) * | 2021-06-21 | 2021-09-10 | 安徽瑞德磁电科技有限公司 | 一种同时提高铁硅铝软磁粉芯体电阻率和密度的制备方法 |
CN114899002A (zh) * | 2022-05-27 | 2022-08-12 | 浙江东睦科达磁电有限公司 | 一种低损耗高叠加铁硅铝金属磁粉芯制备方法 |
Citations (5)
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---|---|---|---|---|
JPH11241101A (ja) * | 1998-02-26 | 1999-09-07 | Sanyo Special Steel Co Ltd | コア材用磁性合金粉末の製造方法 |
CN101118797A (zh) * | 2006-08-04 | 2008-02-06 | 安泰科技股份有限公司 | 磁粉芯用复合粉末、磁粉芯及它们的制备方法 |
CN102360652A (zh) * | 2011-06-28 | 2012-02-22 | 广州金南磁塑有限公司 | 耐直流偏置磁芯用复合材料及耐直流偏置磁芯的制备方法 |
CN102610349A (zh) * | 2012-04-05 | 2012-07-25 | 天通控股股份有限公司 | 一种μ90铁硅铝磁粉芯的制造方法 |
CN102699335A (zh) * | 2012-06-19 | 2012-10-03 | 浙江科达磁电有限公司 | 一种纳米晶磁芯用金属粉末的制备方法 |
-
2012
- 2012-10-15 CN CN201210389520.7A patent/CN102945720B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11241101A (ja) * | 1998-02-26 | 1999-09-07 | Sanyo Special Steel Co Ltd | コア材用磁性合金粉末の製造方法 |
CN101118797A (zh) * | 2006-08-04 | 2008-02-06 | 安泰科技股份有限公司 | 磁粉芯用复合粉末、磁粉芯及它们的制备方法 |
CN102360652A (zh) * | 2011-06-28 | 2012-02-22 | 广州金南磁塑有限公司 | 耐直流偏置磁芯用复合材料及耐直流偏置磁芯的制备方法 |
CN102610349A (zh) * | 2012-04-05 | 2012-07-25 | 天通控股股份有限公司 | 一种μ90铁硅铝磁粉芯的制造方法 |
CN102699335A (zh) * | 2012-06-19 | 2012-10-03 | 浙江科达磁电有限公司 | 一种纳米晶磁芯用金属粉末的制备方法 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103325515A (zh) * | 2013-07-03 | 2013-09-25 | 王强 | 磁性环氧树脂粉体溶剂及其用于封装电感的方法 |
CN103325515B (zh) * | 2013-07-03 | 2016-01-20 | 王强 | 磁性环氧树脂粉体溶剂及其用于封装电感的方法 |
CN104505209A (zh) * | 2014-12-22 | 2015-04-08 | 合肥工业大学 | 一种金属软磁复合粉芯及其制备方法 |
CN105336492A (zh) * | 2015-12-11 | 2016-02-17 | 广东工业大学 | 一种基于硼酸为反应剂降低铁硅铝磁粉芯损耗的表面绝缘处理方法 |
CN109680210A (zh) * | 2018-12-18 | 2019-04-26 | 横店集团东磁股份有限公司 | 一种μ=150~250铁硅铝软磁磁粉芯的制备方法 |
CN109680210B (zh) * | 2018-12-18 | 2020-03-20 | 横店集团东磁股份有限公司 | 一种μ=150~250铁硅铝软磁磁粉芯的制备方法 |
CN109950016A (zh) * | 2019-04-18 | 2019-06-28 | 中南大学 | 一种提高硬脆性Fe基磁粉芯磁性能的方法 |
CN112420307A (zh) * | 2019-08-20 | 2021-02-26 | 山东精创磁电产业技术研究院有限公司 | 一种通过植酸表面处理制备软磁复合材料的方法 |
CN111009405A (zh) * | 2019-11-11 | 2020-04-14 | 山西中磁尚善科技有限公司 | 一种磁粉制备工艺 |
CN113369474A (zh) * | 2021-06-21 | 2021-09-10 | 安徽瑞德磁电科技有限公司 | 一种同时提高铁硅铝软磁粉芯体电阻率和密度的制备方法 |
CN114899002A (zh) * | 2022-05-27 | 2022-08-12 | 浙江东睦科达磁电有限公司 | 一种低损耗高叠加铁硅铝金属磁粉芯制备方法 |
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Denomination of invention: Preparation method of sendust core with high direct current bias characteristic Effective date of registration: 20200317 Granted publication date: 20160803 Pledgee: Bank of Guangzhou Co.,Ltd. Guangzhou South China sub branch Pledgor: GUANGZHOU DELOOP ELECTRONIC DEVICES Co.,Ltd. Registration number: Y2020440000038 |
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Date of cancellation: 20210413 Granted publication date: 20160803 Pledgee: Bank of Guangzhou Co.,Ltd. Guangzhou South China sub branch Pledgor: GUANGZHOU DELOOP ELECTRONIC DEVICES Co.,Ltd. Registration number: Y2020440000038 |
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Denomination of invention: A preparation method of iron silicon aluminum magnetic particle core with high DC bias characteristics Effective date of registration: 20220126 Granted publication date: 20160803 Pledgee: Shanghai Pudong Development Bank Limited by Share Ltd. Guangzhou branch Pledgor: GUANGZHOU DELOOP ELECTRONIC DEVICES Co.,Ltd. Registration number: Y2022980001150 |
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Granted publication date: 20160803 Pledgee: Shanghai Pudong Development Bank Limited by Share Ltd. Guangzhou branch Pledgor: GUANGZHOU DELOOP ELECTRONIC DEVICES Co.,Ltd. Registration number: Y2022980001150 |
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