CN104051107A - Titanium-based ferrite core material used for transformer - Google Patents
Titanium-based ferrite core material used for transformer Download PDFInfo
- Publication number
- CN104051107A CN104051107A CN201410283346.7A CN201410283346A CN104051107A CN 104051107 A CN104051107 A CN 104051107A CN 201410283346 A CN201410283346 A CN 201410283346A CN 104051107 A CN104051107 A CN 104051107A
- Authority
- CN
- China
- Prior art keywords
- mol
- core material
- ferrite core
- mixed
- minute
- 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.)
- Pending
Links
- 239000011162 core material Substances 0.000 title claims abstract description 27
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 24
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 16
- 239000010936 titanium Substances 0.000 title claims abstract description 16
- 239000000654 additive Substances 0.000 claims abstract description 14
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 14
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 8
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims abstract description 8
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 4
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011787 zinc oxide Substances 0.000 claims abstract description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 230000000996 additive effect Effects 0.000 claims description 12
- 239000004615 ingredient Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims description 6
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims description 6
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 6
- 229940049964 oleate Drugs 0.000 claims description 6
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 6
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 3
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000013638 trimer Substances 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 2
- 239000006247 magnetic powder Substances 0.000 abstract 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 1
- 229910021392 nanocarbon Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
- Magnetic Ceramics (AREA)
- Compounds Of Iron (AREA)
Abstract
The invention discloses a titanium-based ferrite core material used for a transformer. The titanium-based ferrite core material comprises main materials and additives. The main materials comprise, by molar ratio, 57.3 mol to 65 mol of Fe2O3, 18.5 mol to 24 mol of manganese oxide, 12.3 mol to 15 mol of zinc oxide, 0.2 mol to 0.3 mol of lithium nitride, 0.3 mol to 0.5 mol of molybdenum trioxide and 0.01 mol to 0.02 mol of rare-earth composite magnetic powder. The additives comprise, by weight ratio of components to the ferrite core material, 60 ppm to 70 ppm of chromic oxide and 50 ppm to 60 ppm of nano carbon. The rare-earth composite magnetic powder added into the titanium-based ferrite core material is high in magnetic energy product, stable in magnetism and simple in preparing method, and the finished product has the advantages of being high in crystal boundary resistivity, low in gas hole ratio and large and even in crystal particle.
Description
?
Technical field
The present invention relates generally to oxidate magnetic material and manufactures field, relates in particular to a kind of titanium based ferrite core material for transformer.
Background technology
Along with the communication technology and the digitized development of electronic product; soft magnetic ferrite and element have been proposed to new requirement; high-performance high magnetic permeability magnetic core is widely used in each type telecommunications and information stock, as the fields such as common-mode filter, pulsactor, current transformer, earth leakage protective device, insulating transformer, signal and pulse transformer are widely applied.Telecommunications industry needs FERRITE CORE to have low core loss and high magnetic permeability now, and to meet microminiaturization and the high efficiency requirement of present electric equipment, existing magnetic core is difficult to meet above-mentioned requirements;
Its magnetic energy product of the permanent magnetic material that rare earth makes can reach 150 times of carbon steel, 3～5 times of Al-Ni-Co permanent magnet material, 8～10 times of permanent-magnet ferrite, and temperature coefficient is low, magnetic stability, coercive force is up to 800 kilo-ampere/rice.Be mainly used in the magnetic system of low speed torque motor, actuating motor, transducer, magnetic bearing etc.Nd-Fe-Bo permanent magnet material is third generation rare earth permanent-magnetic material, and its remanent magnetism, coercive force and maximum magnetic energy product are higher than the former, non-friable, has good mechanical performance, and alloy density is low, is conducive to lightness, slimming, the small-sized and subminaturization of magnetic element.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, and a kind of titanium based ferrite core material for transformer is provided.
The present invention is achieved by the following technical solutions:
A kind of titanium based ferrite core material for transformer, it comprises major ingredient and additive, and described major ingredient comprises according to mol ratio: the molybdenum trioxide of the zinc oxide of the Fe2O3 of 57.3-65 mol, the manganese oxide of 18.5-24 mol, 12.3-15 mol, the lithium nitride of 0.2-0.3mol, 0.3-0.5 mol, the rare earth compounded magnetic conductive powder of 0.01-0.02 mol; Additive comprises according to the weight ratio meter that accounts for described ferrite magnetic core material: the chrome green of 60-70ppm, the nano-sized carbon of 50-60ppm;
The preparation of described rare earth compounded magnetic conductive powder comprises the following steps:
The preparation of premixed liquid:
Described premixed liquid is made up of the raw material of following weight parts: tetradecyl alchohol oleate 1-2, N-sodium lauroyl sarcosine 1-2, titanium dioxide 90-100, silane coupler KH560 0.5-1, dolomol 2-4, water 200-300;
Dolomol is mixed with tetradecyl alchohol oleate, and at 60-70 DEG C, heating mixes 2-4 minute, adds titanium dioxide, stirs;
Silane coupler KH560 is added to the water, adds N-sodium lauroyl sarcosine, stir;
Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 600-1000 rev/min of dispersed with stirring 10-20 minute, obtains premixed liquid;
The trimethylolpropane that is 1-2:5-7:100 by mass ratio, stearic acid, neodymia mix, at 58-65 DEG C, be uniformly mixed 30-40 minute, adding concentration is the acetic acid of 10-20%, 70-100 rev/min of dispersed with stirring 4-6 minute, add ammonium fluoride, be uniformly mixed 20-30 minute, add premixed liquid, 400-500 rev/min of dispersed with stirring 1-2 hour, dry 20-30 minute at 80-100 DEG C, send into sintering furnace, sintering 4-6 hour at 300-350 DEG C, obtains described rare earth compounded magnetic conductive powder;
The mol ratio of described neodymia, acetic acid, ammonium fluoride is 2-3:6-7:1-2;
Described titanium dioxide and the mass ratio of neodymia are 10-20:1.
For a preparation method for the titanium based ferrite core material of transformer, comprise the following steps:
(1) above-mentioned major ingredient is sent into blending tank, 2500-3000 rev/min is stirred mixed 2-4 hour, sends into grinding pot, and being ground to fineness is 50-70 μ m, adds the water of major ingredient weight 25-30%, the polyvinylpyrrolidone of 2-3%, and high-speed stirred is mixed, and obtains slurries;
(2) additive is sent into grinding pot, add the lithium carbonate of weight of additive 1-2%, the sodium phosphate trimer of 1-2%, being ground to fineness is 60-100 μ m;
(3) above-mentioned each raw material after treatment is mixed, stir, spraying is dry, is pressed into base, and sintering obtains the described titanium based ferrite core material for transformer.
Advantage of the present invention is:
The rare earth compounded magnetic conductive powder magnetic energy product that ferrite magnetic core material of the present invention adds is high, magnetic stability, and preparation method is simple, and it is high that finished product has grain boundary resistance rate, and the porosity is low, mechanical performance is strong, and crystal grain is feature greatly and uniformly.
Embodiment
Embodiment 1
A kind of titanium based ferrite core material for transformer, it is characterized in that it comprises major ingredient and additive, described major ingredient comprises according to mol ratio: the molybdenum trioxide of the zinc oxide of the Fe2O3 of 57.3 mol, the manganese oxide of 18.5mol, 15 mol, the lithium nitride of 0.3mol, 0.5 mol, the rare earth compounded magnetic conductive powder of 0.02 mol; Additive comprises according to the weight ratio meter that accounts for described ferrite magnetic core material: the chrome green of 70ppm, the nano-sized carbon of 60ppm;
The preparation of described rare earth compounded magnetic conductive powder comprises the following steps:
The preparation of premixed liquid:
Described premixed liquid is made up of the raw material of following weight parts: tetradecyl alchohol oleate 2, N-sodium lauroyl sarcosine 2, titanium dioxide 100, silane coupler KH560 0.5, dolomol 2, water 300;
Dolomol is mixed with tetradecyl alchohol oleate, and at 70 DEG C, heating mixes 2 minutes, adds titanium dioxide, stirs;
Silane coupler KH560 is added to the water, adds N-sodium lauroyl sarcosine, stir;
Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 1000 revs/min of dispersed with stirring 20 minutes, obtain premixed liquid;
The trimethylolpropane that is 1:5:100 by mass ratio, stearic acid, neodymia mix, at 65 DEG C, be uniformly mixed 40 minutes, adding concentration is the acetic acid of 10-20%, 100 revs/min of dispersed with stirring 6 minutes, add ammonium fluoride, be uniformly mixed 30 minutes, add premixed liquid, 500 revs/min of dispersed with stirring 2 hours, at 100 DEG C, be dried 30 minutes, send into sintering furnace, sintering 4 hours, obtains described rare earth compounded magnetic conductive powder at 350 DEG C;
The mol ratio of described neodymia, acetic acid, ammonium fluoride is 3:6:1;
Described titanium dioxide and the mass ratio of neodymia are 20:1.
For a preparation method for the titanium based ferrite core material of transformer, comprise the following steps:
(1) above-mentioned major ingredient is sent into blending tank, 3000 revs/min are stirred mixed 4 hours, send into grinding pot, and being ground to fineness is 70 μ m, adds the water of major ingredient weight 30%, 2% polyvinylpyrrolidone, and high-speed stirred is mixed, and obtains slurries;
(2) additive is sent into grinding pot, add the lithium carbonate of weight of additive 1%, 2% sodium phosphate trimer, being ground to fineness is 100 μ m;
(3) above-mentioned each raw material after treatment is mixed, stir, spraying is dry, is pressed into base, and sintering obtains the described titanium based ferrite core material for transformer.
Through detection, the basic mechanical design feature index that the product of above-described embodiment 1 gained reaches:
The initial permeability of magnetic core of the present invention is greater than 2700 μ i;
Maximum magnetic flux core loss (100Kc, 200mT) unit: KW/m
3: 417 (100 ± 2 DEG C);
Curie temperature is higher than 240 DEG C.
Claims (2)
1. the titanium based ferrite core material for transformer, it is characterized in that it comprises major ingredient and additive, described major ingredient comprises according to mol ratio: the molybdenum trioxide of the zinc oxide of the Fe2O3 of 57.3-65 mol, the manganese oxide of 18.5-24 mol, 12.3-15 mol, the lithium nitride of 0.2-0.3mol, 0.3-0.5 mol, the rare earth compounded magnetic conductive powder of 0.01-0.02 mol; Additive comprises according to the weight ratio meter that accounts for described ferrite magnetic core material: the chrome green of 60-70ppm, the nano-sized carbon of 50-60ppm;
The preparation of described rare earth compounded magnetic conductive powder comprises the following steps:
The preparation of premixed liquid:
Described premixed liquid is made up of the raw material of following weight parts: tetradecyl alchohol oleate 1-2, N-sodium lauroyl sarcosine 1-2, titanium dioxide 90-100, silane coupler KH560 0.5-1, dolomol 2-4, water 200-300;
Dolomol is mixed with tetradecyl alchohol oleate, and at 60-70 DEG C, heating mixes 2-4 minute, adds titanium dioxide, stirs;
Silane coupler KH560 is added to the water, adds N-sodium lauroyl sarcosine, stir;
Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 600-1000 rev/min of dispersed with stirring 10-20 minute, obtains premixed liquid;
The trimethylolpropane that is 1-2:5-7:100 by mass ratio, stearic acid, neodymia mix, at 58-65 DEG C, be uniformly mixed 30-40 minute, adding concentration is the acetic acid of 10-20%, 70-100 rev/min of dispersed with stirring 4-6 minute, add ammonium fluoride, be uniformly mixed 20-30 minute, add premixed liquid, 400-500 rev/min of dispersed with stirring 1-2 hour, dry 20-30 minute at 80-100 DEG C, send into sintering furnace, sintering 4-6 hour at 300-350 DEG C, obtains described rare earth compounded magnetic conductive powder;
The mol ratio of described neodymia, acetic acid, ammonium fluoride is 2-3:6-7:1-2;
Described titanium dioxide and the mass ratio of neodymia are 10-20:1.
2. a preparation method for the titanium based ferrite core material for transformer as claimed in claim 1, is characterized in that comprising the following steps:
(1) above-mentioned major ingredient is sent into blending tank, 2500-3000 rev/min is stirred mixed 2-4 hour, sends into grinding pot, and being ground to fineness is 50-70 μ m, adds the water of major ingredient weight 25-30%, the polyvinylpyrrolidone of 2-3%, and high-speed stirred is mixed, and obtains slurries;
(2) additive is sent into grinding pot, add the lithium carbonate of weight of additive 1-2%, the sodium phosphate trimer of 1-2%, being ground to fineness is 60-100 μ m;
(3) above-mentioned each raw material after treatment is mixed, stir, spraying is dry, is pressed into base, and sintering obtains the described titanium based ferrite core material for transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283346.7A CN104051107A (en) | 2014-06-24 | 2014-06-24 | Titanium-based ferrite core material used for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283346.7A CN104051107A (en) | 2014-06-24 | 2014-06-24 | Titanium-based ferrite core material used for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104051107A true CN104051107A (en) | 2014-09-17 |
Family
ID=51503817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410283346.7A Pending CN104051107A (en) | 2014-06-24 | 2014-06-24 | Titanium-based ferrite core material used for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104051107A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387048A (en) * | 2014-10-16 | 2015-03-04 | 安徽德信电气有限公司 | Tin-based ferrite magnetic core material for transformers |
| CN106915956A (en) * | 2015-10-16 | 2017-07-04 | Tdk株式会社 | MnZnLi based ferrites, magnetic core and transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593595A (en) * | 2009-04-10 | 2009-12-02 | 临沂中瑞电子有限公司 | A kind of low-temperature sintering high performance soft magnetic ferrite material and manufacture method |
| CN102231312A (en) * | 2011-04-16 | 2011-11-02 | 江门安磁电子有限公司 | Low-total harmonic distortion (THD) wideband high-permeability MnZn ferrite material and manufacturing method thereof |
| US20120286920A1 (en) * | 2011-05-09 | 2012-11-15 | Yajie Chen | Magnetic grain boundary engineered ferrite core materials |
| CN102992754A (en) * | 2012-11-23 | 2013-03-27 | 天长市昭田磁电科技有限公司 | Preparation method of MnZn soft magnetic ferrite material with high magnetic flux density |
| CN103496963A (en) * | 2013-09-06 | 2014-01-08 | 江门安磁电子有限公司 | Ni-free MnZn ferrite magnetic core with double characteristics and manufacture method |
-
2014
- 2014-06-24 CN CN201410283346.7A patent/CN104051107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593595A (en) * | 2009-04-10 | 2009-12-02 | 临沂中瑞电子有限公司 | A kind of low-temperature sintering high performance soft magnetic ferrite material and manufacture method |
| CN102231312A (en) * | 2011-04-16 | 2011-11-02 | 江门安磁电子有限公司 | Low-total harmonic distortion (THD) wideband high-permeability MnZn ferrite material and manufacturing method thereof |
| US20120286920A1 (en) * | 2011-05-09 | 2012-11-15 | Yajie Chen | Magnetic grain boundary engineered ferrite core materials |
| CN102992754A (en) * | 2012-11-23 | 2013-03-27 | 天长市昭田磁电科技有限公司 | Preparation method of MnZn soft magnetic ferrite material with high magnetic flux density |
| CN103496963A (en) * | 2013-09-06 | 2014-01-08 | 江门安磁电子有限公司 | Ni-free MnZn ferrite magnetic core with double characteristics and manufacture method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387048A (en) * | 2014-10-16 | 2015-03-04 | 安徽德信电气有限公司 | Tin-based ferrite magnetic core material for transformers |
| CN106915956A (en) * | 2015-10-16 | 2017-07-04 | Tdk株式会社 | MnZnLi based ferrites, magnetic core and transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104045337B (en) | A kind of vanadium based ferrite core material for transformer | |
| CN104051106B (en) | A kind of boron oxide based ferrite core material for transformer | |
| CN104091671A (en) | Titanium-based rare earth ferromagnetic core material | |
| CN104051108B (en) | A kind of nickel oxide-base ferrite core material for transformer | |
| CN104051112A (en) | Manganese-based ferrite core material used for transformer | |
| CN104051109B (en) | A kind of molybdenio ferrite core material for transformator | |
| CN104078186A (en) | Zinc-base ferrite core material | |
| CN104269240A (en) | Tungsten ferrite core material for transformer | |
| CN104361969A (en) | Cerium-based ferrite core material for transformer | |
| CN104051111A (en) | Zirconium-based ferrite core material used for transformer | |
| CN104051107A (en) | Titanium-based ferrite core material used for transformer | |
| CN104078185A (en) | Cobaltous oxide based ferrite core material | |
| CN104058739B (en) | Tantalum-based ferrite magnetic core material used for transformer | |
| CN104051110A (en) | Cobalt-based ferrite core materials | |
| CN104051115B (en) | A kind of niobium based ferrite core material for transformer | |
| CN104051113B (en) | A kind of Ni-based ferrite core material for transformator | |
| CN104045334B (en) | A kind of rare-earth ferrite core material for transformer | |
| CN104332271A (en) | Lanthanum base ferrite magnetic core material for transformer | |
| CN104319052A (en) | Silicon-based ferrite magnetic core material for transformer | |
| CN104051114B (en) | A kind of transformer chromium based ferrite core material | |
| CN104332269A (en) | Wollastonite-based ferrite core material for transformers | |
| CN104064311A (en) | Silicon carbide-based ferrite magnetic core material for transformer | |
| CN104402421A (en) | Maifanite base ferrite magnetic core material for transformer | |
| CN104091675A (en) | Barium titanate-based rare earth ferromagnetic core material | |
| CN104332270A (en) | Aluminum base ferrite magnetic core material for transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140917 |