CN106278228A - Magnetic manganese-zinc ferrite of broad temperature, broadband and preparation method thereof - Google Patents
Magnetic manganese-zinc ferrite of broad temperature, broadband and preparation method thereof Download PDFInfo
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- CN106278228A CN106278228A CN201610674498.9A CN201610674498A CN106278228A CN 106278228 A CN106278228 A CN 106278228A CN 201610674498 A CN201610674498 A CN 201610674498A CN 106278228 A CN106278228 A CN 106278228A
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- zinc ferrite
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- magnetic manganese
- broad temperature
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- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 title claims abstract description 36
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 239000000470 constituent Substances 0.000 claims abstract description 18
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
- 239000004576 sand Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000003595 mist Substances 0.000 claims description 24
- 238000003801 milling Methods 0.000 claims description 22
- 239000011236 particulate material Substances 0.000 claims description 17
- 238000010298 pulverizing process Methods 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 13
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052681 coesite Inorganic materials 0.000 claims description 2
- 229910052906 cristobalite Inorganic materials 0.000 claims description 2
- 235000012054 meals Nutrition 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229910052682 stishovite Inorganic materials 0.000 claims description 2
- 229910052905 tridymite Inorganic materials 0.000 claims description 2
- 239000008187 granular material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 229910002518 CoFe2O4 Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
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Abstract
Magnetic manganese-zinc ferrite that the invention discloses a kind of broad temperature, broadband and preparation method thereof, the magnetic manganese-zinc ferrite of broad temperature, broadband, following raw material it is prepared from: described raw material includes the main constituent of following molfraction: Fe2O3: 52～55 parts；MnO:33～36 parts；ZnO:12～16 parts.The magnetic manganese-zinc ferrite of broad temperature, broadband prepared by the present invention, in the wide temperature range of 100kHz, 30mT, 20～120 DEG C, power consumption is less than 3.6kW/m3, in the wide temperature range of 500kHz, 30mT, 20～120 DEG C, power consumption is less than 40kW/m3。
Description
Technical field
The present invention relates to a kind of magnetic, magnetic manganese-zinc ferrite being specifically related to a kind of broad temperature, broadband and preparation method thereof.
Background technology
In the automatic controlling device that required precision is higher, it is desirable to the isolating transformer in passive electric current isolation module
Magnetic core has the least power attenuation, it is possible to be suitable for wider frequency range, work that can be stable within the scope of wide temperature
Making, to guarantee that the signal code that current transducer sends can accurately be sent to industrial control unit (ICU), the performance of magnetic core is proposed by this
Higher requirement.In actual use, in the passive electric current isolation module of 4～20mA, when load resistance is 500 to arrive
In the range of 750 ohm, when input current is 20mA, the electric current of output can control within 19.9 20mA.This project development
Material be particularly well-suited to make such magnetic core.
Summary of the invention
The wide temperature that it is an object of the invention to provide a kind of high stability that Applicable temperature scope is wider, power attenuation is lower is wide
The magnetic manganese-zinc ferrite of frequency；It is a further object to provide the preparation method of the magnetic manganese-zinc ferrite of broad temperature, broadband.
In order to reach above-mentioned technique effect, the present invention takes techniques below scheme:
The magnetic manganese-zinc ferrite of a kind of broad temperature, broadband, is prepared from by following raw material: described raw material includes following mole
The main constituent of number:
Fe2O3: 52～55 parts；
MnO:33～36 parts；
ZnO:12～16 parts；
And, account for the auxiliary element of the following mass percent of main constituent gross mass:
CaCO3: 0.02～0.1Wt%；
Nb2O5: 0.01～0.05Wt%；
Co3O4: 0.03～0.1Wt%；
SiO2: 0.03～0.2Wt%；
TiO2: 0.03～1Wt%；
SnO2: 0～1Wt%.
Further technical scheme is that described raw material also includes the one in the auxiliary element of following mass parts percentage ratio
Or several:
ZrO2: 0～0.05Wt%；
NiO:0～0.4Wt%；
K2CO3: 0～0.1Wt%；
V2O5: 0～0.1Wt%.
Present invention also offers the preparation method of the magnetic manganese-zinc ferrite of described broad temperature, broadband, comprise the following steps:
Step A: dispensing, a sand milling: weigh main constituent, Fe according to following molfraction2O3: 52～55 parts；MnO:33～
36 parts；ZnO:12～16 parts；And in sand mill, mix with deionized water that to be crushed to raw meal particle size be 0.5～1.5 μm；
Step B: mist projection granulating: by the material after a sand milling through mist projection granulating, prepare into particulate material；
Step C: pre-burning: one-tenth particulate material is carried out pre-burning in temperature 780～980 DEG C；
Step D: pulverizing, secondary sand milling: the Preburning material after pre-burning is put in vibrator and carry out vibrant pulverization, then
Preburning material after vibrant pulverization is put in sand mill with deionized water or distilled water, and adds auxiliary element, carry out pulverizing also
Making slip, the material mean diameter after pulverizing is 0.5～1.2 μm；
Step E: secondary mist projection granulating: by the material of secondary sand milling through mist projection granulating, prepare into particulate material；
Step F: molding: the one-tenth particulate material after secondary mist projection granulating is shaped；
Step G: sintering: be 1230～1330 DEG C by the green compact after molding in temperature and be sintered, has i.e. prepared described
The magnetic manganese-zinc ferrite of broad temperature, broadband.
Further technical scheme is that the time of described pre-burning is 0.5～4h.
Further technical scheme is, the water content of the described one-tenth particulate material after secondary mist projection granulating be 0.25～
0.55%.
Further technical scheme is that the time of described sintering is 3～6h.
Further technical scheme is that the described green density after molding is 2.8～3.3g/cm3。
Further technical scheme is, in a described sand milling, material, abrading-ball are 1:4～7:0.7 with the mass ratio of water
～1.2.
Further technical scheme is, in described secondary sand milling, Preburning material, abrading-ball are 1:4～7 with the mass ratio of water:
0.5～0.6.
Below the present invention is made further explanation and description.
Magnetic manganese-zinc ferrite is prepared from by following raw material, and described raw material includes the main constituent of following molfraction:
Fe2O3: 52～55 parts；
MnO:33～36 parts；
ZnO:12～16 parts.
According to a preferred embodiment of the invention, described raw material includes the main constituent of following molfraction:
Fe2O3: 53～54 parts；
MnO:33～34 parts；
ZnO:13～14 parts.
According to a preferred embodiment of the invention, in above-mentioned preparation method, in step C, calcined temperature is 850～950
℃；The temperature of sintering is 1250～1300 DEG C.
Co is added in the raw material of the magnetic manganese-zinc ferrite of the broad temperature, broadband of the present invention3O4, at room temperature CoFe2O4's
Magnetocrystalline anisotropy constant Κ1Value is 270 × 103J/m3, by have very greatly on the occasion of CoFe2O4With there is relatively low negative Κ1Value
MnZnFe2O4It is superimposed in appropriate proportions, a new Κ can be obtained1-T curve.Find in an experiment, Ti4+、Co2 +Addition, the power consumption valley point Tp of material moves to low temperature direction, Κ1Material II peak position corresponding for compensation point θ c in-T curve
Put, also move to low temperature direction.The μ of materiali-T curve becomes mild, and Pcv-T curve also becomes relatively flat.
The present invention compared with prior art, has a following beneficial effect:
(1) the magnetic manganese-zinc ferrite of broad temperature, broadband prepared by the present invention, in 100kHz, 30mT ,-20～the wide temperature of 120 DEG C
In the range of, power consumption is less than 3.6kW/m3, in the wide temperature range of 500kHz, 30mT ,-20～120 DEG C, power consumption is less than 40kW/m3。
(2) the magnetic manganese-zinc ferrite of broad temperature, broadband prepared by the present invention has good DC superposition characteristic, inclined at direct current
Under conditions of magnetic field is 30A/m, μΔ/μiMore than 99%；Under conditions of DC bias field is 60A/m, μΔ/μi95% with
On；Under conditions of DC bias field is 90A/m, μΔ/μiMore than 50%.
(3) initial permeability of the magnetic manganese-zinc ferrite of broad temperature, broadband prepared by the present invention has good temperature characteristics ,-
In the range of 20 120 DEG C, there is smooth μiT curve, than temperature coefficient less than 1 × 10-6/℃。
Detailed description of the invention
Below in conjunction with embodiments of the invention, the invention will be further elaborated.
Embodiment 1:
Dispensing: the raw material of magnetic manganese-zinc ferrite includes:
The Fe of main constituent: 53.9mol%2O3, the ZnO of the MnO of 33.1mol%, 13.0mol%；
The CaCO of auxiliary element: 0.05Wt%3, the Nb of 0.02Wt%2O5, the Co of 0.6Wt%3O4, the TiO of 0.5Wt%2,
The SnO of 0.5Wt%2, the SiO of 0.006Wt%2, the mass percent of auxiliary element is the ratio that auxiliary element accounts for main constituent gross mass
Example.
The preparation method of magnetic manganese-zinc ferrite comprises the steps:
1, a sand milling: the main constituent in raw material is mixed in sand mill with deionized water the average particle being crushed to material
Footpath is 1.0 ± 0.3 μm；Raw material, abrading-ball, the mass ratio of water are 1:5:0.9.
2, mist projection granulating: by the material after a sand milling through mist projection granulating, remove the moisture in material, prepare into granule
Material；
3, pre-burning: in temperature 950 DEG C, one-tenth particulate material employing rotary kiln is carried out pre-burning, and burn-in time is 1 hour；
4, pulverizing, secondary sand milling: the Preburning material after pre-burning is put in vibrator and carry out vibrant pulverization, then will shake
Preburning material after dynamic pulverizing is put in sand mill with deionized water or distilled water, and adds auxiliary element, pulverizes and makes
Slip, the material mean diameter after pulverizing is 1.0 ± 0.3 μm；Preburning material, abrading-ball, the mass ratio of water are 1:5:0.55.
5, secondary mist projection granulating: by the material of secondary sand milling through mist projection granulating, prepare into particulate material；
6, molding: use full-automatic dry press to be shaped the one-tenth particulate material after secondary mist projection granulating, the life after molding
The size of base is 25 × 15 × 7.5；
7, sintering: be sintered 5 hours in temperature 1250 DEG C by the green compact after molding, has i.e. prepared described broad temperature, broadband
Magnetic manganese-zinc ferrite.
Embodiment 2:
Dispensing: the raw material of magnetic manganese-zinc ferrite includes:
The Fe of main constituent: 53.5mol%2O3, the ZnO of the MnO of 33.3mol%, 13.2mol%；
The CaCO of auxiliary element: 0.08t%3, the Nb of 0.03Wt%2O5, the TiO of 0.8Wt%2, the Co of 0.6Wt%3O4,
The SiO of 0.01Wt%2, the mass percent of auxiliary element is the ratio that auxiliary element accounts for main constituent gross mass.
The preparation method of magnetic manganese-zinc ferrite comprises the steps:
1, a sand milling: the main constituent in raw material is mixed in sand mill with deionized water the average particle being crushed to material
Footpath is 1.0 ± 0.3 μm；Raw material, abrading-ball, the mass ratio of water are 1:5:0.9.
2, mist projection granulating: by the material after a sand milling through mist projection granulating, remove the moisture in material, prepare into granule
Material；
3, pre-burning: in temperature 800 DEG C, one-tenth particulate material employing rotary kiln is carried out pre-burning, and burn-in time is 2 hours；
4, pulverizing, secondary sand milling: the Preburning material after pre-burning is put in vibrator and carry out vibrant pulverization, then will shake
Preburning material after dynamic pulverizing is put in sand mill with deionized water or distilled water, and adds auxiliary element, pulverizes and makes
Slip, the material mean diameter after pulverizing is 1.0 ± 0.3 μm；Preburning material, abrading-ball, the mass ratio of water are 1:5:0.55.
5, secondary mist projection granulating: by the material of secondary sand milling through mist projection granulating, prepare into particulate material；
6, molding: use full-automatic dry press to be shaped the one-tenth particulate material after secondary mist projection granulating, the life after molding
The size of base is 25 × 15 × 7.5；
7, sintering: be sintered 4 hours in temperature 1300 DEG C by the green compact after molding, has i.e. prepared described broad temperature, broadband
Magnetic manganese-zinc ferrite.
Embodiment 3:
Dispensing: the raw material of magnetic manganese-zinc ferrite includes:
The Fe of main constituent: 53.2mol%2O3, the ZnO of the MnO of 33.5mol%l, 13.3mol%；
The CaCO of auxiliary element: 0.03Wt%3, the Co of 0.6Wt%3O4, the Nb of 0.03Wt%2O5, the SnO of 0.6Wt%2,
The SiO of 0.003Wt%2, the TiO of 0.05Wt%2, the NiO of 0.05Wt%, the mass percent of auxiliary element is that auxiliary element accounts for
The ratio of main constituent gross mass.
The preparation method of magnetic manganese-zinc ferrite comprises the steps:
1, a sand milling: the main constituent in raw material is mixed in sand mill with deionized water the average particle being crushed to material
Footpath is 1.0 ± 0.3 μm；Raw material, abrading-ball, the mass ratio of water are 1:5:0.9.
2, mist projection granulating: by the material after a sand milling through mist projection granulating, remove the moisture in material, prepare into granule
Material；
3, pre-burning: in temperature 980 DEG C, one-tenth particulate material employing rotary kiln is carried out pre-burning, and burn-in time is 0.8 hour；
4, pulverizing, secondary sand milling: the Preburning material after pre-burning is put in vibrator and carry out vibrant pulverization, then will shake
Preburning material after dynamic pulverizing is put in sand mill with deionized water or distilled water, and adds auxiliary element, pulverizes and makes
Slip, the material mean diameter after pulverizing is 1.0 ± 0.3 μm；Preburning material, abrading-ball, the mass ratio of water are 1:5:0.55.
5, secondary mist projection granulating: by the material of secondary sand milling through mist projection granulating, prepare into particulate material；
6, molding: use full-automatic dry press to be shaped the one-tenth particulate material after secondary mist projection granulating, the life after molding
The size of base is 25 × 15 × 7.5；
7, sintering: be sintered 5 hours in temperature 1330 DEG C by the green compact after molding, has i.e. prepared described broad temperature, broadband
Magnetic manganese-zinc ferrite.
The performance test of the magnetic manganese-zinc ferrite of embodiment 1-3 is shown in Table 1.Testing standard uses " communication inducer and change
Depressor magnetic core measuring method " GB/T 6932.1 2002idt IEC 60367-1:1982.
Table 1 embodiment sample ring performance test situation
Although reference be made herein to invention has been described for the explanatory embodiment of the present invention, and above-described embodiment is only this
Bright preferably embodiment, embodiments of the present invention are also not restricted to the described embodiments, it should be appreciated that people in the art
Member can be designed that a lot of other amendments and embodiment, and these amendments and embodiment will fall in principle disclosed in the present application
Within scope and spirit.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, all should
Within being included in protection scope of the present invention.
Claims (9)
1. the magnetic manganese-zinc ferrite of a broad temperature, broadband, it is characterised in that be prepared from by following raw material: described raw material includes
The main constituent of following molfraction:
Fe2O3: 52～55 parts；
MnO:33～36 parts；
ZnO:12～16 parts；
And, account for the auxiliary element of the following mass percent of main constituent gross mass:
CaCO3: 0.02～0.1Wt%；
Nb2O5: 0.01～0.05Wt%；
Co3O4: 0.03～0.1Wt%；
SiO2: 0.03～0.2Wt%；
TiO2: 0.03～1Wt%；
SnO2: 0～1Wt%.
The magnetic manganese-zinc ferrite of broad temperature, broadband the most according to claim 1, it is characterised in that under described raw material also includes
State one or more in the auxiliary element of weight portion percentage ratio:
ZrO2: 0～0.05Wt%；
NiO:0～0.4Wt%；
K2CO3: 0～0.1Wt%；
V2O5: 0～0.1Wt%.
3. the preparation method of the magnetic manganese-zinc ferrite of the broad temperature, broadband described in claim 1 or 2, it is characterised in that include following step
Rapid:
Step A: dispensing, a sand milling: weigh main constituent, Fe according to following molfraction2O3: 52～55 parts；MnO:33～36
Part；ZnO:12～16 parts；And in sand mill, mix with deionized water that to be crushed to raw meal particle size be 0.5～1.5 μm；
Step B: mist projection granulating: by the material after a sand milling through mist projection granulating, prepare into particulate material；
Step C: pre-burning: one-tenth particulate material is carried out pre-burning in temperature 780～980 DEG C；
Step D: pulverizing, secondary sand milling: the Preburning material after pre-burning is put in vibrator and carry out vibrant pulverization, then will shake
Preburning material after dynamic pulverizing is put in sand mill with deionized water or distilled water, and adds auxiliary element, pulverizes and makes
Slip, the material mean diameter after pulverizing is 0.5～1.2 μm；
Step E: secondary mist projection granulating: by the material of secondary sand milling through mist projection granulating, prepare into particulate material；
Step F: molding: the one-tenth particulate material after secondary mist projection granulating is shaped；
Step G: sintering: be 1230～1330 DEG C by the green compact after molding in temperature and be sintered, has i.e. prepared described wide temperature
The magnetic manganese-zinc ferrite of wideband.
The preparation method of the magnetic manganese-zinc ferrite of broad temperature, broadband the most according to claim 3, it is characterised in that described is pre-
The time burnt is 0.5～4h.
The preparation method of the magnetic manganese-zinc ferrite of broad temperature, broadband the most according to claim 3, it is characterised in that described two
The water content of the one-tenth particulate material after secondary mist projection granulating is 0.25～0.55%.
The preparation method of the magnetic manganese-zinc ferrite of broad temperature, broadband the most according to claim 3, it is characterised in that described burning
The time of knot is 3～6h.
The preparation method of the magnetic manganese-zinc ferrite of broad temperature, broadband the most according to claim 3, it is characterised in that described one-tenth
Green density after type is 2.8～3.3g/cm3。
The preparation method of the magnetic manganese-zinc ferrite of broad temperature, broadband the most according to claim 3, it is characterised in that described one
In secondary sand milling, material, abrading-ball are 1:4～7:0.7～1.2 with the mass ratio of water.
The preparation method of the magnetic manganese-zinc ferrite of broad temperature, broadband the most according to claim 3, it is characterised in that described two
In secondary sand milling, Preburning material, abrading-ball are 1:4～7:0.5～0.6 with the mass ratio of water.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399965A (en) * | 2017-06-26 | 2017-11-28 | 重庆正峰电子有限公司 | Wide warm high current MnZn ferrites |
| CN107473727A (en) * | 2017-09-21 | 2017-12-15 | 郴州市久隆旺高科电子有限公司 | A kind of wide temperature high power density low-loss manganese zine soft magnetic ferrite of wideband and preparation method thereof |
| CN111908909A (en) * | 2020-08-13 | 2020-11-10 | 江西耀润磁电科技有限公司 | Ultrahigh frequency inductor ferrite core and preparation method thereof |
| CN113024239A (en) * | 2021-04-26 | 2021-06-25 | 贵州正业龙腾新材料开发有限公司 | Wide-temperature ultralow-loss manganese-zinc ferrite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161585A (en) * | 2011-01-20 | 2011-08-24 | 绵阳开磁科技有限公司 | High-frequency wide-temperature low-power-consumption soft magnetic Mn-Zn ferrite and preparation method thereof |
| CN105669175A (en) * | 2015-06-16 | 2016-06-15 | 泰州茂翔电子器材有限公司 | High-frequency low-loss soft magnetic ferrite material |
-
2016
- 2016-08-16 CN CN201610674498.9A patent/CN106278228A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161585A (en) * | 2011-01-20 | 2011-08-24 | 绵阳开磁科技有限公司 | High-frequency wide-temperature low-power-consumption soft magnetic Mn-Zn ferrite and preparation method thereof |
| CN105669175A (en) * | 2015-06-16 | 2016-06-15 | 泰州茂翔电子器材有限公司 | High-frequency low-loss soft magnetic ferrite material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399965A (en) * | 2017-06-26 | 2017-11-28 | 重庆正峰电子有限公司 | Wide warm high current MnZn ferrites |
| CN107473727A (en) * | 2017-09-21 | 2017-12-15 | 郴州市久隆旺高科电子有限公司 | A kind of wide temperature high power density low-loss manganese zine soft magnetic ferrite of wideband and preparation method thereof |
| CN111908909A (en) * | 2020-08-13 | 2020-11-10 | 江西耀润磁电科技有限公司 | Ultrahigh frequency inductor ferrite core and preparation method thereof |
| CN113024239A (en) * | 2021-04-26 | 2021-06-25 | 贵州正业龙腾新材料开发有限公司 | Wide-temperature ultralow-loss manganese-zinc ferrite material and preparation method thereof |
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