CN103377786B - A kind of preparation method of iron-silicon-aluminualloy alloy magnetic powder core - Google Patents
A kind of preparation method of iron-silicon-aluminualloy alloy magnetic powder core Download PDFInfo
- Publication number
- CN103377786B CN103377786B CN201310291799.XA CN201310291799A CN103377786B CN 103377786 B CN103377786 B CN 103377786B CN 201310291799 A CN201310291799 A CN 201310291799A CN 103377786 B CN103377786 B CN 103377786B
- Authority
- CN
- China
- Prior art keywords
- powder
- iron
- iron sial
- aluminualloy
- silicon
- 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.)
- Active
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 18
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 18
- 239000006247 magnetic powder Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000000843 powder Substances 0.000 claims abstract description 65
- 229910052742 iron Inorganic materials 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000012298 atmosphere Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 21
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 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
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000000137 annealing Methods 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 230000035699 permeability Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- VAWNDNOTGRTLLU-UHFFFAOYSA-N iron molybdenum nickel Chemical compound [Fe].[Ni].[Mo] VAWNDNOTGRTLLU-UHFFFAOYSA-N 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229910017082 Fe-Si Inorganic materials 0.000 description 1
- 229910017133 Fe—Si Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910008071 Si-Ni Inorganic materials 0.000 description 1
- 229910006300 Si—Ni Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- -1 iron aluminum silicon Chemical compound 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of preparation method of iron-silicon-aluminualloy alloy magnetic powder core, comprise the steps: that (1) gets iron sial powder, carry out proportioning by granularity; (2) dry after adding insulating wrapped agent in the iron sial powder prepared; (3) dried powder mixes, dry-pressing formed, is pressed into base sample; (4) base sample is incubated 0.5 ~ 3 hour in protective atmosphere, air cooling, spraying, obtains target product.The preparation method of iron-silicon-aluminualloy alloy magnetic powder core provided by the invention, adopt inorganic insulation bonding cladding process, technique is simple, environmentally safe, and insulating barrier is even, and the product tensile strength after annealing is high, does not need solidification, improves production efficiency.Product good combination property, higher than industry standard.
Description
Technical field
The present invention relates to the manufacturing technology field of magnetic bodies, be specifically related to a kind of preparation method of iron-silicon-aluminualloy alloy magnetic powder core.
Background technology
Ferrocart core (Fe), high magnetic flux powder core (Fe-Ni), Fe-Si-Al magnetic core (Fe-Si-Al), iron nickel molybdenum powder core (Fe-Ni-Mo), iron tantnickel powder core (Fe-Si-Ni) and iron silica magnetic particle core (Fe-Si) is common are in metal soft magnetic powder core.These metal soft magnetic powder core respectively have advantage, and the feature according to performance, price is applied to every field respectively, and as iron nickel molybdenum powder core is mainly used in military field, ferrocart core and Fe-Si-Al magnetic core are mainly used in commercial market.
Last century 80, the nineties start, succeeding in developing of amorphous, nanocrystalline magnetic core, have widened the kind of metal soft magnetic powder core further.Industrial waste and old or damaged amorphous, nanocrystalline strip make amorphous, nanocrystalline magnetic by the mode of Mechanical Crushing and airflow milling, are then pressed into corresponding powder core.The service efficiency of band can be improved like this, increase the added value of industry.
Because Fe-Si-Al magnetic core cost performance is high, present the trend of quick productivity gain recently.
The patent No. is the manufacture method that the Chinese invention patent of ZL200710157107.7 discloses a kind of Fe-Si-Al magnetic core of magnetic permeability μ=125, comprise the following steps: a) get iron aluminum silicon powder and pulverize at a high speed in right amount, granularity reaches-150 ~+400 object meal and accounts for 10 ~ 50%, and the fine powder that granularity reaches-400 accounts for 5 ~ 90%; B) roast add passivator when temperature reaches 30 ~ 80 DEG C, roast and add silicone grease when temperature reaches 200 ~ 350 DEG C, continue to roast to drying; C) lubricant is added after roasting cooling; D) compressing, pressure: 5 ~ 24 tons/cm
2; E) heat treatment, obtains target product.The weak point of this technical scheme is: 1. the processing step of insulating wrapped is many, and operation is loaded down with trivial details; 2. step b) add organic substance silicone grease, make obtained target product product ageing resistace poor; Test the product utilized obtained by this technical scheme, find that its DC superposition characteristic is when 40Oe, it is magnetic permeability μ and permeability of vacuum μ that effective permeability is only 50%(effective permeability
0ratio), at f=50kHz, B
miron loss P during=1000Gs
cvbe greater than 300mW/cm
3, lower than industry standard, and the tensile strength of product is very low.
Publication number is the manufacture method that the Chinese invention patent of CN101090019 also discloses a kind of high magnetic permeability FeSiAl powder core, comprises the steps: 1) adopt vacuum induction furnace smelting FeSiAL alloy flat bloom; 2) by above-mentioned alloy flat bloom through Mechanical Crushing, in hydrogen atmosphere heat-treatment furnace annealing in process, obtain alloy powder; 3) above-mentioned alloy powder interpolation mica powder, epoxy resin bonding agent, stearic acid remover are processed, compression molding; 4) above-mentioned moulded products is put into nitrogen or argon atmosphere heat-treatment furnace is heat-treated, obtain high magnetic permeability FeSiAl powder core.Although the FeSiAl powder core better performances obtained by this technical scheme, its weak point is: 1. obtained Granularity Distribution is wider, and proportioning is complicated; 2. the product tensile strength after heat treatment is low, so usually need after heat treatment to carry out flooding, solidifying process etc., adds production process, improves production cost, reduce production efficiency.
Publication number is Unexamined Patent 11-329821 Japan Patent, in the process preparing Fe-Si-Al magnetic core, strong acid during although Passivation Treatment adopts oxygen to substitute, but its weak point is: 1. technique difficulty controls, be difficult to form uniform rete, reduce the adhesion of magnetic particle colloid and powder when boning coated, cause product tensile strength to reduce, after heat treatment, also need dipping, solidification process; 2. the resinoid bond used, dosage is comparatively large, causes the magnetic property of product on the low side.
In sum, mainly there is following technological deficiency: 1. in preparation process, add organic solvent, be unfavorable for environmental protection in existing Fe-Si-Al magnetic core preparation technology; Or 2. preparation technology's more complicated, operation is loaded down with trivial details; Or need to be cured process after heat treatment of 3. annealing, reduce production efficiency.
Therefore, how providing that a kind of preparation technology is simple, low cost, high performance Fe-Si-Al magnetic core, is those skilled in the art's technical barriers urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of preparation method of Fe-Si-Al magnetic core, solve prior art products poor performance, high, the ineffective technological deficiency of manufacturing cost.
The technical solution adopted in the present invention is specific as follows:
The preparation method of iron-silicon-aluminualloy alloy magnetic powder core comprises the steps:
(1) mix by the iron sial powder of following granularity, wherein, 40 ~ 80% ,-400 object iron sial powder that 10 ~ 30% ,-200 order ~+400 object iron sial powder that-100 order ~+200 object iron sial powder account for gross mass account for gross mass account for 10 ~ 30% of gross mass;
(2) prepare insulating wrapped liquid, its mass percent component is: the phosphoric acid of 2 ~ 5%, the grains of inorganic substances of 4 ~ 10%, the insulating compound of 0.1 ~ 1%, the release agent of 0.5 ~ 2%, and all the other are water;
(3) in the iron sial powder prepared, add insulating wrapped liquid and carry out Passivation Treatment, the mass ratio of insulating wrapped liquid and powder is 1:5; Abundant stirring post-drying;
(4) mixture step (3) obtained at the pressure compacted under of 1200 ~ 2500MPa, after base sample is positioned in protective atmosphere, at 600 ~ 750 DEG C be incubated 0.5 ~ 3 hour, air cooling, spraying, obtain iron-silicon-aluminualloy alloy magnetic powder core.
The mass percent component of described inorganic insulation bonded particulate is 30 ~ 55%P
2o
5, 34.9 ~ 59.9%ZnO, 10 ~ 20%B
2o
3, 0.02 ~ 20%CuO, 0.02 ~ 10%Bi
2o
3, 0.02 ~ 10%SrO
5, 0.01 ~ 5%Al
2o
3, 0.01 ~ 5%Na
2o, 0.01 ~ 5%Li
2o
5, 0.01 ~ 5%PbO.
The mass percent component of described inorganic insulation bonded particulate is 30 ~ 55%P
2o
5, 35 ~ 60%ZnO, 10 ~ 20%B
2o
3.
The granularity of described inorganic insulation bonded particulate is 5 ~ 20um.
Described insulating compound is one or more in kaolin, mica powder or talcum powder.
Described release agent is one or more in zinc stearate, barium stearate, calcium stearate or molybdenum bisuphide.
The mass percent component of described iron sial powder is: Si9 ~ 10%, Al5 ~ 6%, Mn0.1 ~ 0.2%, Ti0.3 ~ 0.6%, and all the other are Fe.
Described protective atmosphere is nitrogen, argon gas or hydrogen.
The beneficial effect that the present invention compared with prior art has:
1. the iron sial powder of the broken gained of tool is comparatively thin, after grain size proportion, passivation, bonding, more easily suppresses, obtained product power consumption P
cvmost I reaches 245mW/cm
3, D.C. magnetic biasing characteristic μ
ho=40/ μ
ho=0>=56%, performance is higher than industry standard;
2. greatly increase the radial tensile strength of powder core, more than 36kgf (general more than the 27kgf of Industry code requirements) can be reached, thus do not need to be cured process, put forward production efficiency;
Accompanying drawing explanation
Fig. 1 is the power loss industry standard curve chart of the Fe-Si-Al magnetic core of magnetic permeability μ=90 and μ=125;
Fig. 2 is the D.C. magnetic biasing industry standard curve chart of the Fe-Si-Al magnetic core of different magnetic permeability.
Embodiment
Embodiment 1
(1) mix by the iron sial powder of following granularity, wherein, 80% ,-400 object iron sial powder that 10% ,-200 order ~+400 object iron sial powder that-100 order ~+200 object iron sial powder account for gross mass account for quality account for 10% of gross mass;
(2) prepare insulating wrapped liquid, its mass percent component is: the phosphoric acid of 2%, the grains of inorganic substances of 4%, the kaolin of 0.1%, the zinc stearate of 0.5%, and all the other are water;
(3) in the iron sial powder prepared, add insulating wrapped liquid and carry out Passivation Treatment, the mass ratio of insulating wrapped liquid and powder is 1:5; Abundant stirring post-drying;
(4) mixture that step (3) obtains is pressed into ring-like base sample (i.e. magnet ring) under the pressure of 1200MPa, the external diameter of magnet ring is 22.90mm, and internal diameter is 14.20mm, and height is 7.60mm.After base sample is positioned in nitrogen atmosphere, at 600 DEG C be incubated 0.5 hour, air cooling, spraying, obtain iron-silicon-aluminualloy alloy magnetic powder core.
After testing, the relevant electromagnetic parameter of target product is as table 1:
Embodiment 2
(1) mix by the iron sial powder of following granularity, wherein, 60% ,-400 object iron sial powder that 15% ,-200 order ~+400 object iron sial powder that-100 order ~+200 object iron sial powder account for gross mass account for quality account for 25% of gross mass;
(2) prepare insulating wrapped liquid, its mass percent component is: the phosphoric acid of 5%, the grains of inorganic substances of 10%, the mica powder of 1%, the barium stearate of 2%, and all the other are water;
(3) in the iron sial powder prepared, add insulating wrapped liquid and carry out Passivation Treatment, the mass ratio of insulating wrapped liquid and powder is 1:5; Abundant stirring post-drying;
(4) mixture that step (3) obtains is pressed into ring-like base sample under the pressure of 2500MPa, the external diameter of magnet ring is 22.90mm, and internal diameter is 14.20mm, and height is 7.60mm.After base sample is positioned in hydrogen atmosphere, at 750 DEG C be incubated 3 hours, air cooling, spraying, obtain iron-silicon-aluminualloy alloy magnetic powder core.
After testing, the relevant electromagnetic parameter of target product is as table 2:
Embodiment 3
(1) mix by the iron sial powder of following granularity, wherein, 60% ,-400 object iron sial powder that 15% ,-200 order ~+400 object iron sial powder that-100 order ~+200 object iron sial powder account for gross mass account for quality account for 25% of gross mass;
(2) prepare insulating wrapped liquid, its mass percent component is: the phosphoric acid of 3%, the grains of inorganic substances of 8%, the talcum powder of 0.1%, the calcium stearate of 1%, and all the other are water;
(3) in the iron sial powder prepared, add insulating wrapped liquid and carry out Passivation Treatment, the mass ratio of insulating wrapped liquid and powder is 1:5; Abundant stirring post-drying;
(4) mixture that step (3) obtains is pressed into ring-like base sample under the pressure of 1980MPa, the external diameter of magnet ring is 22.90mm, and internal diameter is 14.20mm, and height is 7.60mm.After base sample is positioned in argon gas atmosphere, at 700 DEG C be incubated 1 hour, air cooling, spraying, obtain iron-silicon-aluminualloy alloy magnetic powder core.
After testing, the relevant electromagnetic parameter of target product is as table 3:
Embodiment 4
(1) mix by the iron sial powder of following granularity, wherein, 60% ,-400 object iron sial powder that 15% ,-200 order ~+400 object iron sial powder that-100 order ~+200 object iron sial powder account for gross mass account for quality account for 25% of gross mass;
(2) prepare insulating wrapped liquid, its mass percent component is: the phosphoric acid of 3%, the grains of inorganic substances of 8%, the talcum powder of 0.1%, the molybdenum bisuphide of 1%, and all the other are water;
(3) in the iron sial powder prepared, add insulating wrapped liquid and carry out Passivation Treatment, the mass ratio of insulating wrapped liquid and powder is 1:5; Abundant stirring post-drying;
(4) mixture that step (3) obtains is pressed into ring-like base sample under the pressure of 1980MPa, the external diameter of magnet ring is 22.90mm, and internal diameter is 14.20mm, and height is 7.60mm.After base sample is positioned in argon gas atmosphere, at 700 DEG C be incubated 1 hour, air cooling, spraying, obtain iron-silicon-aluminualloy alloy magnetic powder core.
After testing, the relevant electromagnetic parameter of target product is as table 3:
Embodiment 5
(1) mix by the iron sial powder of following granularity, wherein, 60% ,-400 object iron sial powder that 15% ,-200 order ~+400 object iron sial powder that-100 order ~+200 object iron sial powder account for gross mass account for quality account for 25% of gross mass;
(2) prepare insulating wrapped liquid, its mass percent component is: the phosphoric acid of 3%, the grains of inorganic substances of 8%, 0.1% talcum powder, the zinc stearate of 0.5%, the molybdenum bisuphide of 0.5%, all the other are water;
(3) in the iron sial powder prepared, add insulating wrapped liquid and carry out Passivation Treatment, the mass ratio of insulating wrapped liquid and powder is 1:5; Abundant stirring post-drying;
(4) mixture that step (3) obtains is pressed into ring-like base sample under the pressure of 1980MPa, the external diameter of magnet ring is 22.90mm, and internal diameter is 14.20mm, and height is 7.60mm.After base sample is positioned in argon gas atmosphere, at 700 DEG C be incubated 1 hour, air cooling, spraying, obtain iron-silicon-aluminualloy alloy magnetic powder core.
After testing, the relevant electromagnetic parameter of target product is as table 3:
Claims (6)
1. a preparation method for iron-silicon-aluminualloy alloy magnetic powder core, is characterized in that, comprises the steps:
(1) mix by the iron sial powder of following granularity, wherein, 40 ~ 80% ,-400 object iron sial powder that 10 ~ 30% ,-200 order ~+400 object iron sial powder that-100 order ~+200 object iron sial powder account for gross mass account for gross mass account for 10 ~ 30% of gross mass;
(2) prepare insulating wrapped liquid, its mass percent component is: the phosphoric acid of 2 ~ 5%, the inorganic insulation bonded particulate of 4 ~ 10%, the insulating compound of 0.1 ~ 1%, the release agent of 0.5 ~ 2%, and all the other are water; The mass percent component of described inorganic insulation bonded particulate is 30 ~ 55% P
2o
5, 34.9 ~ 59.9% ZnO, 10 ~ 20% B
2o
3, 0.02 ~ 20% CuO, 0.02 ~ 10% Bi
2o
3, 0.02 ~ 10% SrO
5, 0.01 ~ 5% Al
2o
3, 0.01 ~ 5% Na
2o, 0.01 ~ 5% Li
2o
5, 0.01 ~ 5% PbO;
(3) in the iron sial powder prepared, add insulating wrapped liquid and carry out Passivation Treatment, the mass ratio of insulating wrapped liquid and powder is 1:5; Abundant stirring post-drying;
(4) mixture step (3) obtained at the pressure compacted under of 1200 ~ 2500MPa, after base sample is positioned in protective atmosphere, at 600 ~ 750 DEG C be incubated 0.5 ~ 3 hour, air cooling, spraying, obtain iron-silicon-aluminualloy alloy magnetic powder core.
2. method according to claim 1, is characterized in that, the granularity of described inorganic insulation bonded particulate is 5 ~ 20um.
3. method according to claim 1, is characterized in that, described insulating compound is one or more in kaolin, mica powder or talcum powder.
4. method according to claim 1, is characterized in that, described release agent is one or more in zinc stearate, barium stearate, calcium stearate or molybdenum bisuphide.
5. method according to claim 1, is characterized in that, the mass percent component of described iron sial powder is: Si 9 ~ 10%, Al 5 ~ 6%, Mn 0.1 ~ 0.2%, Ti 0.3 ~ 0.6%, and all the other are Fe.
6. method according to claim 1, is characterized in that, described protective atmosphere is nitrogen, argon gas or hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291799.XA CN103377786B (en) | 2013-07-10 | 2013-07-10 | A kind of preparation method of iron-silicon-aluminualloy alloy magnetic powder core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291799.XA CN103377786B (en) | 2013-07-10 | 2013-07-10 | A kind of preparation method of iron-silicon-aluminualloy alloy magnetic powder core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103377786A CN103377786A (en) | 2013-10-30 |
| CN103377786B true CN103377786B (en) | 2015-11-04 |
Family
ID=49462771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310291799.XA Active CN103377786B (en) | 2013-07-10 | 2013-07-10 | A kind of preparation method of iron-silicon-aluminualloy alloy magnetic powder core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103377786B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745790A (en) * | 2014-01-15 | 2014-04-23 | 中国计量学院 | Mixed soft magnetic powder for metal magnetic powder core |
| CN104084586B (en) * | 2014-06-05 | 2017-02-15 | 浙江大学 | Filter-pressing preparation method for soft-magnetic composite material |
| JP2017004992A (en) * | 2015-06-04 | 2017-01-05 | 株式会社神戸製鋼所 | Mixed powder for powder magnetic core and powder magnetic core |
| CN107610873A (en) * | 2017-10-31 | 2018-01-19 | 国网江苏省电力公司电力科学研究院 | A kind of preparation method of composite soft-magnetic powder core of the magnetic conductivity towards PFC inductance equal to 125 |
| CN108043522A (en) * | 2018-01-18 | 2018-05-18 | 青岛联瑞精密机械有限公司 | A kind of ring roll grinding machine and grinding method for iron sial powder mull |
| CN111739730B (en) * | 2020-08-27 | 2020-11-13 | 湖南骅骝新材料有限公司 | Preparation method of organic-coated high-performance metal magnetic powder core |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61186458A (en) * | 1985-02-15 | 1986-08-20 | Honda Motor Co Ltd | Production of high-strength aluminum alloy member |
| CN102360671A (en) * | 2011-08-12 | 2012-02-22 | 天通控股股份有限公司 | Preparation method for mu75 magnetic powder core of ferrosilicon aluminum |
| CN102436895A (en) * | 2011-12-19 | 2012-05-02 | 浙江大学 | Preparation method for ferrosilicon aluminum magnetic powder core |
-
2013
- 2013-07-10 CN CN201310291799.XA patent/CN103377786B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61186458A (en) * | 1985-02-15 | 1986-08-20 | Honda Motor Co Ltd | Production of high-strength aluminum alloy member |
| CN102360671A (en) * | 2011-08-12 | 2012-02-22 | 天通控股股份有限公司 | Preparation method for mu75 magnetic powder core of ferrosilicon aluminum |
| CN102436895A (en) * | 2011-12-19 | 2012-05-02 | 浙江大学 | Preparation method for ferrosilicon aluminum magnetic powder core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103377786A (en) | 2013-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103377786B (en) | A kind of preparation method of iron-silicon-aluminualloy alloy magnetic powder core | |
| CN102436895B (en) | Preparation method for ferrosilicon aluminum magnetic powder core | |
| CN103377785B (en) | A kind of inorganic insulation bonded particulate prepares the method for metal soft magnetic powder core | |
| CN102360671B (en) | Preparation method for mu75 magnetic powder core of ferrosilicon aluminum | |
| CN108269670B (en) | Insulation and packaging treatment method for Fe-Si-Al soft magnetic alloy powder | |
| KR101499297B1 (en) | High permeability amorphous powder core and making process using by warm temperarture pressing | |
| CN101802938B (en) | Core for reactors, its manufacturing method, and reactor | |
| CN102623121B (en) | Method for manufacturing iron-silicon material and Mu-90 iron-silicon magnetic powder core | |
| CN109786096B (en) | Two-dimensional layered metal soft magnetic composite material and preparation method and application thereof | |
| CN103219119A (en) | Preparation method of mu90 high-permeability Fe-based amorphous magnetic powder core | |
| KR20130122734A (en) | Soft magnetic powder, powder granules, dust core, electromagnetic component, and method for manufacturing dust core | |
| CN104190945B (en) | The preparation method of a kind of amorphous metal soft magnetic-powder core | |
| CN112509777B (en) | Soft magnetic alloy material and preparation method and application thereof | |
| CN104028762B (en) | A kind of preparation method of soft-magnetic composite material | |
| CN103456480A (en) | One-step heat treatment preparation process method for soft nanocrystalline magnetic powder core | |
| CN104036905A (en) | Soft magnetic composite material and preparation method thereof | |
| CN102938312A (en) | Method for manufacturing iron-silicon-aluminium metal magnetic powder core | |
| CN104032241A (en) | Preparation method of amorphous soft-magnetic composite material | |
| CN104361968A (en) | Preparation method of low-loss high permeability Fe-Si-Al magnetic powder core | |
| CN102294475B (en) | Ferrosilicon material and mu60 ferrosilicon magnetic powder core manufacturing method | |
| CN103730224A (en) | Preparation method for iron-based amorphous magnetic powder core with ultrahigh magnetic conductivity | |
| CN103456479A (en) | Method for manufacturing high-temperature-resistant metal soft magnetic powder core | |
| CN101090019A (en) | Manufacturing method of high magnetoconductivity FcSiAl magnetic powder core | |
| JP2002170707A (en) | Dust core having high electric resistance and its manufacturing method | |
| CN102129907A (en) | Nanocrystalline soft magnetic alloy iron core with high initial permeability and low remanence and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |