CN107424713B - 一种软磁复合粉末及其应用 - Google Patents
一种软磁复合粉末及其应用 Download PDFInfo
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- CN107424713B CN107424713B CN201710296096.4A CN201710296096A CN107424713B CN 107424713 B CN107424713 B CN 107424713B CN 201710296096 A CN201710296096 A CN 201710296096A CN 107424713 B CN107424713 B CN 107424713B
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- powder
- magnetic composite
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- soft magnetic
- composite powder
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- 239000000843 powder Substances 0.000 title claims abstract description 137
- 239000002131 composite material Substances 0.000 title claims abstract description 80
- 239000012298 atmosphere Substances 0.000 claims abstract description 59
- 238000005253 cladding Methods 0.000 claims abstract description 37
- 239000000725 suspension Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 29
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 28
- 238000001354 calcination Methods 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 21
- 238000002360 preparation method Methods 0.000 claims abstract description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- 238000000137 annealing Methods 0.000 claims abstract description 14
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 13
- 230000001376 precipitating effect Effects 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 16
- 229910021641 deionized water Inorganic materials 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 8
- 239000013049 sediment Substances 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 7
- 229910002651 NO3 Inorganic materials 0.000 claims description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000012300 argon atmosphere Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical group [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 4
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 claims description 4
- 238000010907 mechanical stirring Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910017060 Fe Cr Inorganic materials 0.000 claims description 2
- 229910002544 Fe-Cr Inorganic materials 0.000 claims description 2
- 229910017082 Fe-Si Inorganic materials 0.000 claims description 2
- 229910017133 Fe—Si Inorganic materials 0.000 claims description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 2
- 229910003296 Ni-Mo Inorganic materials 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910002796 Si–Al Inorganic materials 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 claims description 2
- 238000007731 hot pressing Methods 0.000 claims description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 2
- 239000011812 mixed powder Substances 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
- 238000009702 powder compression Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000011863 silicon-based powder Substances 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 241000276489 Merlangius merlangus Species 0.000 claims 1
- 229910008458 Si—Cr Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000005461 lubrication Methods 0.000 claims 1
- 238000000975 co-precipitation Methods 0.000 abstract description 11
- 229920002050 silicone resin Polymers 0.000 abstract description 8
- 239000007822 coupling agent Substances 0.000 abstract description 2
- 238000003837 high-temperature calcination Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 43
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 20
- 239000006247 magnetic powder Substances 0.000 description 15
- 229910003962 NiZn Inorganic materials 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 229910052786 argon Inorganic materials 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000011701 zinc Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- -1 Al2O3 Chemical class 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000011565 manganese chloride Substances 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(II) nitrate Inorganic materials [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 229910000158 manganese(II) phosphate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(II) nitrate Inorganic materials [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
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
- H01F1/33—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 mixtures of metallic and non-metallic particles; metallic particles having oxide skin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710296096.4A CN107424713B (zh) | 2017-04-28 | 2017-04-28 | 一种软磁复合粉末及其应用 |
Applications Claiming Priority (1)
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CN201710296096.4A CN107424713B (zh) | 2017-04-28 | 2017-04-28 | 一种软磁复合粉末及其应用 |
Publications (2)
Publication Number | Publication Date |
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CN107424713A CN107424713A (zh) | 2017-12-01 |
CN107424713B true CN107424713B (zh) | 2018-12-25 |
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CN201710296096.4A Active CN107424713B (zh) | 2017-04-28 | 2017-04-28 | 一种软磁复合粉末及其应用 |
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CN (1) | CN107424713B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108242311A (zh) * | 2017-12-18 | 2018-07-03 | 梅庆波 | 一种包覆型软磁磁粉芯的制备方法 |
CN108305737B (zh) * | 2018-01-30 | 2019-10-29 | 中南大学 | 一种复合软磁材料及其制备方法 |
CN108597717A (zh) * | 2018-05-18 | 2018-09-28 | 海安南京大学高新技术研究院 | 核壳软磁复合材料的制备方法 |
CN109273234A (zh) * | 2018-09-26 | 2019-01-25 | 鲁东大学 | 一种高饱和磁通密度软磁复合材料的非均匀形核包覆方法 |
CN112420307B (zh) * | 2019-08-20 | 2022-09-27 | 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 |
CN110428967B (zh) * | 2019-08-27 | 2020-11-03 | 四川大学 | 一种超低温冷烧结铁基纳米晶复合磁粉芯的制备方法及产品 |
CN113257509A (zh) * | 2020-02-07 | 2021-08-13 | 奇力新电子股份有限公司 | 可提升饱和电流降低磁损量的积层电感材料制法 |
CN111640567B (zh) * | 2020-05-29 | 2022-02-11 | 深圳顺络电子股份有限公司 | 一种软磁合金材料的制备方法及软磁合金材料 |
CN113658769A (zh) * | 2021-08-30 | 2021-11-16 | 西安交通大学 | 一种高频高Q值FeSiAl@MnZn铁氧体软磁复合磁粉芯及其制备方法 |
CN116100019A (zh) * | 2021-11-10 | 2023-05-12 | 横店集团东磁股份有限公司 | 金属粉末的表面处理方法及表面钝化金属粉末 |
CN115502389B (zh) * | 2022-08-30 | 2024-06-28 | 复旦大学 | 热喷涂用磁性合金/氧化铝陶瓷复合粉末及其制备和应用 |
CN116833407B (zh) * | 2023-05-09 | 2024-03-01 | 中南大学 | 一种软磁复合材料 |
CN117393261A (zh) * | 2023-11-13 | 2024-01-12 | 中南大学 | 一种FeSiNi软磁复合材料及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0459619A (ja) * | 1990-06-26 | 1992-02-26 | Nippon Zeon Co Ltd | 磁気記録用磁性粉および磁気記録媒体 |
CN101121547A (zh) * | 2006-08-08 | 2008-02-13 | 上海依林磁业有限公司 | 一种烧结高截止频率超高磁导率锰锌铁氧体的方法 |
CN103570363A (zh) * | 2013-11-13 | 2014-02-12 | 宝钢磁业(江苏)有限公司 | 高性能功率锰锌铁氧体烧结工艺 |
CN104392837A (zh) * | 2014-10-31 | 2015-03-04 | 湖州南浔嘉科电子科技有限公司 | 锰锌铁氧体磁芯的生产方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103177838B (zh) * | 2012-12-30 | 2016-08-03 | 中南大学 | 一种软磁复合粉末及其制备方法 |
-
2017
- 2017-04-28 CN CN201710296096.4A patent/CN107424713B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0459619A (ja) * | 1990-06-26 | 1992-02-26 | Nippon Zeon Co Ltd | 磁気記録用磁性粉および磁気記録媒体 |
CN101121547A (zh) * | 2006-08-08 | 2008-02-13 | 上海依林磁业有限公司 | 一种烧结高截止频率超高磁导率锰锌铁氧体的方法 |
CN103570363A (zh) * | 2013-11-13 | 2014-02-12 | 宝钢磁业(江苏)有限公司 | 高性能功率锰锌铁氧体烧结工艺 |
CN104392837A (zh) * | 2014-10-31 | 2015-03-04 | 湖州南浔嘉科电子科技有限公司 | 锰锌铁氧体磁芯的生产方法 |
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