CN106252014A - A kind of jamproof ferrite core material - Google Patents
A kind of jamproof ferrite core material Download PDFInfo
- Publication number
- CN106252014A CN106252014A CN201610675620.4A CN201610675620A CN106252014A CN 106252014 A CN106252014 A CN 106252014A CN 201610675620 A CN201610675620 A CN 201610675620A CN 106252014 A CN106252014 A CN 106252014A
- Authority
- CN
- China
- Prior art keywords
- core material
- jamproof
- added
- sodium silicate
- ferrite core
- 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
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
- H01F1/34—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 non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
Abstract
The invention discloses a kind of jamproof ferrite core material, be made up of the raw material of following weight portion: hydroxy iron powder 60 65, iron sesquioxide 10 15, manganese oxide 25 27, zinc oxide 21 23, silane coupler kh5704 5, organic siliconresin 57, polyvinyl alcohol 12, sodium silicate 79, nitrogen coated graphite 0.6 0.7, emergy 0.3 0.4, calcium carbonate 0.5 0.6, water are appropriate；Core material prepared by the present invention has excellent electromagnetism interference characteristic, it is simple to processing, product stability is good, is hardly damaged, and service life is long, is worthy to be popularized.
Description
Technical field
The present invention relates to Ferrite Material technical field, particularly relate to a kind of jamproof ferrite core material.
Background technology
Soft magnetic materials is the magnetic material that a class has relatively low-coercivity and higher magnetic permcability, in the effect of externally-applied magnetic field
Under, soft magnetic materials shows the feature being not only prone to magnetize but also be prone to demagnetization, and soft magnetic materials is as the important merit of magnetoelectricity conversion art
One of energy material, has a wide range of applications in fields such as electronic equipment, communication and electrical equipment.Along with digital television, notebook electricity
Brain universal, electronic equipment is to light, thin, miniaturization, and this necessity of making use of momentum reduces power volume, power supply is proposed higher,
Tightened up requirement.Compound soft magnetic material is owing to having metal soft magnetic material high saturated magnetic induction and soft magnetic ferrite height electricity
The feature of resistance rate, the application in industrial technology and daily life is increasing, is subject to people's attention all the time and obtains
Study widely.Compound soft magnetic material is usually with soft magnetic metal powder as raw material, carries out organic or inorganic at particle surface exhausted
After edge processes, using powder metallurgical technique by compressing for composite powder i.e. available block soft magnetic materials.With traditional gold
Belonging to soft magnetic materials to compare, compound soft magnetic material has higher resistivity, it is possible to reduce eddy-current loss, improves the use frequency of material
Rate.But general organic or inorganic clad has non magnetic feature, after being combined with metallic magnetic grain, the most also
The saturation magnetization of material can be reduced, so resistivity of material and reduction have to improved by the most effectively technique
While magnetic loss, keeping higher density and saturation magnetization is the current emphasis studied.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of jamproof ferrite core material.
The present invention is achieved by the following technical solutions:
A kind of jamproof ferrite core material, is made up of the raw material of following weight portion: hydroxy iron powder 60-65, three oxygen
Change two ferrum 10-15, manganese oxide 25-27, zinc oxide 21-23, silane coupler kh5704-5, organic siliconresin 5-7, polyvinyl alcohol
1-2, sodium silicate 7-9, nitrogen coated graphite 0.6-0.7, emergy 0.3-0.4, calcium carbonate 0.5-0.6, water are appropriate；
The jamproof ferrite core material of described one, is made up of step in detail below:
(1) by hydroxy iron powder, iron sesquioxide, manganese oxide, zinc oxide and silane coupler kh570 mixing and ball milling 0.5-1h, so
After by the organic siliconresin acetone solution of 4-6 times amount, more above-mentioned coupling magnetic powder is added in organic silicon solution stir 0.6-1h,
Then it is dried after 1-2h pulverizes standby in 40-50 ° of C；
(2) remaining remaining material is mixed in addition to polyvinyl alcohol and sodium silicate, after grinding distribution is uniform under 120-200 ° of C
Vacuum annealing 20-40min, pulverizes standby after annealing；
(3) be dissolved in water the poly-vinyl alcohol solution making concentration at 8-10% by polyvinyl alcohol, then material step (2) obtained
Being added in poly-vinyl alcohol solution, ultrasonic disperse uniformly becomes slip；
(4) product that step (1) obtains is added in step (3), is added to spray drying tower internal spraying after mixing and stirring and makes
Grain, controls inlet temperature at 300-340 ° of C, and outlet temperature controls at 100-110 ° of C, and then granule is crossed 60 mesh sieves, uses
Full-automatic powder moulding machine cold moudling；
(5) blank made is impregnated in sodium silicate solution, evacuation, takes out material after keeping 3min, dry, then at nitrogen
Under gas shielded, under 1000-1200 ° of C, sinter 120-160min, after terminating, be cooled to room temperature.
The invention have the advantage that the present invention use iron powder replace ferrum oxide prepare core material have relatively low coercivity and
After loss characteristic, and other powder body couplings and at one layer of organic siliconresin of Surface coating, increase density, decrease core material
Volume and there is higher resistivity, high saturated magnetic induction and pcrmeability, it is possible to reduce eddy-current loss and improve material
The function of the use frequency of material, the present invention improves the caking property strengthened between granule, reduces briquetting pressure, it is to avoid when compacting
Blank aliquation, the fried quality problems such as stricture of vagina, cracking, after formation in dipping sodium silicate, greatly reduce compressing residual pores
Gap and the problem of stress, and improve fire-resistant and heat-resisting performance, the nitrogen coated graphite of interpolation, emergy and calcium carbonate coordinate
Use can greatly improve the initial permeability of material and higher impedance operator, and electromagnetism interference is effective, system of the present invention
Standby core material has excellent electromagnetism interference characteristic, it is simple to processing, product stability is good, is hardly damaged, service life
Long, it is worthy to be popularized.
Detailed description of the invention
A kind of jamproof ferrite core material, is made up of the raw material of following weight portion: hydroxy iron powder 60, three oxygen
Change two ferrum 10, manganese oxide 25, zinc oxide 21, silane coupler kh5704, organic siliconresin 5, polyvinyl alcohol 1, sodium silicate 7, nitrogen
Coated graphite 0.6, emergy 0.3, calcium carbonate 0.5, water are appropriate；
The jamproof ferrite core material of described one, is made up of step in detail below:
(1) by hydroxy iron powder, iron sesquioxide, manganese oxide, zinc oxide and silane coupler kh570 mixing and ball milling 0.5h, then
By the organic siliconresin acetone solution of 4 times amount, then it is added to above-mentioned coupling magnetic powder in organic silicon solution stir 0.6h, then exists
40 ° of C are dried after 1h pulverizes standby；
(2) remaining remaining material is mixed in addition to polyvinyl alcohol and sodium silicate, grinding distribution uniformly after under 120 ° of C vacuum
Annealing 20min, pulverizes standby after annealing；
(3) polyvinyl alcohol is dissolved in water makes the poly-vinyl alcohol solution that concentration is 8%, then the material that step (2) obtains is added to
In poly-vinyl alcohol solution, ultrasonic disperse uniformly becomes slip；
(4) product that step (1) obtains is added in step (3), is added to spray drying tower internal spraying after mixing and stirring and makes
Grain, controls at 300 ° of C by inlet temperature, and outlet temperature controls at 100 ° of C, then granule is crossed 60 mesh sieves, uses full-automatic powder
End forming machine cold moudling；
(5) blank made is impregnated in sodium silicate solution, evacuation, takes out material after keeping 3min, dry, then at nitrogen
Under gas shielded, under 1000 ° of C, sinter 120min, after terminating, be cooled to room temperature.
The soft magnetic ferrite prepared according to specific embodiment, carries out performance test to it, and result is as follows:
Saturation flux density (T): 0.92, magnetic loss (W/Kg): 63, coercivity (A/m): 18, Curie temperature (° C): 175, work
Frequency (MHz): 0.20.
Claims (2)
1. a jamproof ferrite core material, it is characterised in that be made up of the raw material of following weight portion: iron carbonyl
Powder 60-65, iron sesquioxide 10-15, manganese oxide 25-27, zinc oxide 21-23, silane coupler kh5704-5, organic siliconresin
5-7, polyvinyl alcohol 1-2, sodium silicate 7-9, nitrogen coated graphite 0.6-0.7, emergy 0.3-0.4, calcium carbonate 0.5-0.6, water are suitable
Amount.
A kind of jamproof ferrite core material, it is characterised in that by step system in detail below
Prepare into:
(1) by hydroxy iron powder, iron sesquioxide, manganese oxide, zinc oxide and silane coupler kh570 mixing and ball milling 0.5-1h, so
After by the organic siliconresin acetone solution of 4-6 times amount, more above-mentioned coupling magnetic powder is added in organic silicon solution stir 0.6-1h,
Then it is dried after 1-2h pulverizes standby in 40-50 ° of C；
(2) remaining remaining material is mixed in addition to polyvinyl alcohol and sodium silicate, after grinding distribution is uniform under 120-200 ° of C
Vacuum annealing 20-40min, pulverizes standby after annealing；
(3) be dissolved in water the poly-vinyl alcohol solution making concentration at 8-10% by polyvinyl alcohol, then material step (2) obtained
Being added in poly-vinyl alcohol solution, ultrasonic disperse uniformly becomes slip；
(4) product that step (1) obtains is added in step (3), is added to spray drying tower internal spraying after mixing and stirring and makes
Grain, controls inlet temperature at 300-340 ° of C, and outlet temperature controls at 100-110 ° of C, and then granule is crossed 60 mesh sieves, uses
Full-automatic powder moulding machine cold moudling；
(5) blank made is impregnated in sodium silicate solution, evacuation, takes out material after keeping 3min, dry, then at nitrogen
Under gas shielded, under 1000-1200 ° of C, sinter 120-160min, after terminating, be cooled to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675620.4A CN106252014A (en) | 2016-08-17 | 2016-08-17 | A kind of jamproof ferrite core material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675620.4A CN106252014A (en) | 2016-08-17 | 2016-08-17 | A kind of jamproof ferrite core material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106252014A true CN106252014A (en) | 2016-12-21 |
Family
ID=57592171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610675620.4A Pending CN106252014A (en) | 2016-08-17 | 2016-08-17 | A kind of jamproof ferrite core material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106252014A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109694244A (en) * | 2018-12-04 | 2019-04-30 | 天长市昭田磁电科技有限公司 | A kind of jamproof ferrite core material and preparation method thereof |
| CN109754981A (en) * | 2018-12-04 | 2019-05-14 | 天长市昭田磁电科技有限公司 | A kind of high magnetoconductivity magnetic ferrite magnetic core and its processing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982946A (en) * | 2012-11-23 | 2013-03-20 | 天长市昭田磁电科技有限公司 | La2O3-containing ferromagnetic core manufacturing method |
| CN103295766A (en) * | 2013-05-20 | 2013-09-11 | 天长市昭田磁电科技有限公司 | Method for manufacturing ferromagnetic core containing modified aluminum carbide |
| CN105060874A (en) * | 2015-08-10 | 2015-11-18 | 天长市昭田磁电科技有限公司 | Manganese zinc ferrite material for increasing electrical resistivity |
-
2016
- 2016-08-17 CN CN201610675620.4A patent/CN106252014A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982946A (en) * | 2012-11-23 | 2013-03-20 | 天长市昭田磁电科技有限公司 | La2O3-containing ferromagnetic core manufacturing method |
| CN103295766A (en) * | 2013-05-20 | 2013-09-11 | 天长市昭田磁电科技有限公司 | Method for manufacturing ferromagnetic core containing modified aluminum carbide |
| CN105060874A (en) * | 2015-08-10 | 2015-11-18 | 天长市昭田磁电科技有限公司 | Manganese zinc ferrite material for increasing electrical resistivity |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109694244A (en) * | 2018-12-04 | 2019-04-30 | 天长市昭田磁电科技有限公司 | A kind of jamproof ferrite core material and preparation method thereof |
| CN109754981A (en) * | 2018-12-04 | 2019-05-14 | 天长市昭田磁电科技有限公司 | A kind of high magnetoconductivity magnetic ferrite magnetic core and its processing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105097168A (en) | Magnetic core material to which rare earth element is added | |
| CN105304308B (en) | Sendust core preparation method and magnetic core inorganic compounding insulating coating material used | |
| CN105060874A (en) | Manganese zinc ferrite material for increasing electrical resistivity | |
| CN106531388B (en) | A kind of preparation method of composite magnetic powder and composite magnetic powder core | |
| CN111370193B (en) | Low-loss soft magnetic powder core and preparation method thereof | |
| CN109461558A (en) | A kind of low-loss Fe-Si-Al magnetic core compound coating method | |
| CN109103010B (en) | Material and method for improving density of magnetic powder core insulating layer | |
| CN105761865A (en) | High-frequency low-loss soft magnet ferrite core material | |
| CN106205939A (en) | A kind of flexible magnetic ferrite magnetic core material | |
| CN106205938A (en) | A kind of nano magnetic core material | |
| CN106278230A (en) | A kind of soft magnetic ferrite with capability of electromagnetic shielding | |
| CN105070454A (en) | Ferrite core material with high mechanical strength | |
| CN105097172A (en) | Low-magnetic-loss ferrite core material | |
| CN113380483B (en) | Composite soft magnetic material and preparation method thereof | |
| CN106252014A (en) | A kind of jamproof ferrite core material | |
| CN106169349A (en) | A kind of stable ferrite core material | |
| CN105070451A (en) | Composite permeability magnetic material magnetic core | |
| CN105070452A (en) | Low-loss magnetic core material used for electric appliance | |
| CN106278229A (en) | A kind of multipurpose MnZn ferrite material of high frequency high magnetic permeability | |
| CN105761864A (en) | High-magnetic-energy-product ferrite core material | |
| CN105070479A (en) | Magnetic core material for transformer high in magnetic permeability | |
| CN106205937A (en) | A kind of Efficient soft magnetic ferrite core material | |
| CN106298142A (en) | The core material that a kind of Curie temperature is high | |
| CN106205941A (en) | A kind of heat shock resistance core material | |
| CN106252015A (en) | A kind of various coil ferrite core material |
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: 20161221 |