CN108806915A - Soft magnetic materials - Google Patents
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- CN108806915A CN108806915A CN201810933836.5A CN201810933836A CN108806915A CN 108806915 A CN108806915 A CN 108806915A CN 201810933836 A CN201810933836 A CN 201810933836A CN 108806915 A CN108806915 A CN 108806915A
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- 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
- H01F1/36—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 in the form of particles
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Abstract
The present invention relates to electronic technology fields, disclose a kind of soft magnetic materials, and the soft magnetic materials includes materials A, material B, material C and material D；Wherein, the material composition of materials A includes：C, Sm, Cd, Mn, Cr, Si and Fe；The material composition of material B includes：Fe, Cd, Si, Cu, Lu, Sb and Sn；The material composition of material C includes：CdO,Pb3O4、Al2O3、CaO、K2O and SiO2；The material composition of material D includes：PbO2、CdO、ZnO、Mn2O3、Lu2O3And Fe2O3.Solve the problems, such as that the magnetic property of traditional magnetic ferrite magnetic core material is also relatively low.
Description
Technical field
The present invention relates to electronic technology fields, and in particular, to a kind of soft magnetic materials.
Background technology
Soft magnetic materials refers to that working as magnetization is happened at Hc no more than 1000A/m, and such material is known as soft magnetic bodies, extensively
For in electrical equipment and electronic equipment.The Chinese patent of Patent No. CN201510868079.4 discloses a kind of wide warm height and leads
The preparation method of magnetic ferrite magnetic core material, the magnetic ferrite magnetic core material is by Fe2O3、MnO、Ni2O3、ZnO、Sb2O5、
Nd2O3、Ho2O3、BaCO3、CaO、Nb2O5、Co2O3、Y2(C2O4)3·10H2O、MoSi2Equal raw materials composition；The present invention adulterates each
Kind ingredient can be effectively improved the magnetic property of material, wherein CaO, Nd for adding2O3、Ho2O3Ferrite crystal grains uniformity can be made to change
Kind, incremental permeability increases；The Nb of addition2O5、Sb2O5Material at high temperature and the incremental permeability under low temperature can be obviously improved；Add
Add appropriate Co2O3、Y2(C2O4)3·10H2O、MoSi2Be conducive to improve initial permeability, resistivity and reduce magnetic loss.But it makes
The magnetic property that the warm height of width obtained leads magnetic ferrite magnetic core material is also relatively low.
Invention content
The object of the present invention is to provide a kind of soft magnetic materials, solve the magnetic property of traditional magnetic ferrite magnetic core material
Also relatively low problem.
To achieve the goals above, the present invention provides a kind of soft magnetic materials, the soft magnetic materials includes materials A, material
B, material C and material D；
Wherein, the material composition of materials A includes：C, Sm, Cd, Mn, Cr, Si and Fe；
The material composition of material B includes：Fe, Cd, Si, Cu, Lu, Sb and Sn；
The material composition of material C includes：CdO,Pb3O4、Al2O3、CaO、K2O and SiO2；
The material composition of material D includes：PbO2、CdO、ZnO、Mn2O3、Lu2O3And Fe2O3。
Through the above technical solutions, the present invention provides a kind of soft magnetic materials, the dense structure of soft magnetic materials obtained,
In, materials A is alloy material, the gap of ferrite base-material, close material matrix can be filled, while playing toughening material.
The crystal grain of Mn, Cr, Cd refining alloy therein itself, Sm and Si can reinforced alloys soft magnetism, be ferrite matrix magnetism
Enhancing plays relay supplementary function.Material B and material C are low melting material, can effectively wrap up ferrite crystal grains, play liquid phase burning
Knot acts on, and can effectively facilitate grain growth and inhibit the annexation of crystal grain so that crystal grain homoepitaxial, stomata are reduced, crystal boundary and crystalline substance
The porosity of intragranular reduces, and improves ferritic microstructure, domain wall displacement and domain rotation resistance reduce, therefore magnetic hystersis loss
Reduce；Low-melting alloy, which can play toughening ferrite base-material grain boundary Cd, Lu, simultaneously can refine low melting point alloy
Crystal grain, the intensity and hardness of low-melting alloy can be improved in Sb, Si, Cu, Fe, can the ferritic crystal boundary of efficient hardening, reduce nothing
The brittleness of machine composite materials.Material C is inorganic material, improves the resistivity of grain boundaries, promotes lower power consumption.Material
D is ferrite base-material, PbO2、ZnO、Mn2O3And Fe2O3Spinel structure is formed, ferritic matrix is constituted.CdO promotes crystal
Growth reduces stomata；Rare earth oxide Lu2O3Promote crystal grain homoepitaxial in the material, inhibits abnormal grain growth.Lu2O3Change
The resistivity of kind material, promotes lower power consumption.Soft magnetic materials provided by the invention has good magnetic property, has simultaneously
There are good stability and practicability, can be widely applied to field of electronic devices etc..
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the organization chart of soft magnetic materials provided by the invention.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of soft magnetic materials, the soft magnetic materials includes materials A, material B, material C and material D；
Wherein, the material composition of materials A includes：C, Sm, Cd, Mn, Cr, Si and Fe；
The material composition of material B includes：Fe, Cd, Si, Cu, Lu, Sb and Sn；
The material composition of material C includes：CdO,Pb3O4、Al2O3、CaO、K2O and SiO2；
The material composition of material D includes：PbO2、CdO、ZnO、Mn2O3、Lu2O3And Fe2O3。
In a kind of preferred embodiment of the present invention, in order to further increase the magnetic property of soft magnetic materials, materials A packet
Include following raw material ingredient：C 0.26-0.39%, Sm 4-8%, Cd 0.08-0.15%, Mn 21-25%, Cr 13-
17%, Si 5-8% and surplus Fe.
In a kind of preferred embodiment of the present invention, in order to further increase the magnetic property of soft magnetic materials, material B packets
Include following raw material ingredient：Fe 4-9%, Cd 0.04-0.09%, Si 0.5-0.9%, Cu 5-9%, Lu 0.5-
0.9%, Sb 13-18% and surplus Sn.
In a kind of preferred embodiment of the present invention, in order to further increase the magnetic property of soft magnetic materials, material C packet
Include following raw material ingredient：CdO 0.1-0.4%, Pb3O43-8%, Al2O33-8%, CaO 3-8%, K2O 0.8-
1.2% and surplus SiO2。
In a kind of preferred embodiment of the present invention, in order to further increase the magnetic property of soft magnetic materials, material D packets
Include following raw material ingredient：PbO20.1-0.4%, CdO 0.1-0.4%, ZnO 10-14%, Mn2O31.6-1.9%,
Lu2O33-9% and surplus Fe2O3。
In a kind of preferred embodiment of the present invention, in order to further increase the magnetic property of soft magnetic materials, materials A,
Material B, material C and material D are 0.6-0.9 according to weight ratio:0.03-0.08：0.02-0.06：15.
The present invention will be described in detail by way of examples below.In following embodiment, the specific preparation of soft magnetic materials
Method is as follows：
Materials A, material B, material C are mixed with material D, is added in three-dimensional mixer and is uniformly mixed, obtain mixed powder；
Then mixed powder is orientated in Magnetic field press, is molded using isostatic pressed mode, molded blank is put under protection of argon gas
Sintering furnace is sintered, and is first warming up to 710 DEG C, keeps the temperature 3.5h, then heats to 1365 DEG C of sintering 3.5h, after being cooled to room temperature,
Double tempering processing is carried out most to be produced through 230 DEG C of ageing treatments afterwards that is, respectively in 800 DEG C and 535 DEG C of tempering heat treatment 1.5h
Product；Wherein,
The preparation of materials A：C, Sm, Cd, Mn, Cr, Si and Fe are subjected to dispensing, C, Sm, Cd, Mn, Cr, Si, Fe are pure object
Matter (constituent content be more than 99.9%), first raw material is put into induction furnace in, heat up melting, after reaching 1575 DEG C of smelting temperature
Heat preservation 25 minutes；So alloy liquid injection is located in the tundish on atomizer, aluminium alloy leaks eye by tundish bottom
Outflow is met with high-speed flow when passing through nozzle and is atomized as fine drop, atomized drop fast rapid hardening in closed atomizing cup
Gu at alloy powder, alloy powder average particle size is 10 μm, atomization pressure 6MPa, and liquid metal fluid flow is
3.5kg/min, alloy liquid implantation temperature are 1560 DEG C, and atomizing angle is 27 degree.
The preparation of material B：Fe, Cd, Si, Cu, Lu, Sb and Sn are subjected to dispensing.Fe, Cd, Lu, Si, Cu, Sb, Sn are pure
Substance (constituent content be more than 99.9%), first raw material is put into induction furnace in, heat up melting, when reaching 730 DEG C of smelting temperature
Keep the temperature 28 minutes afterwards；Then alloy liquid injection is located in the tundish on atomizer, aluminium alloy is by tundish bottom
Eye outflow is leaked, meeting with high-speed flow when passing through nozzle is atomized as fine drop, and atomized drop is fast in closed atomizing cup
Speed is frozen into alloy powder, and alloy powder average particle size is 12 μm, atomization pressure 1.5MPa, liquid metal fluid stream
Amount is 2.5kg/min, and alloy liquid implantation temperature is 705 DEG C, and atomizing angle is 35 degree.
The preparation of material C：It is CdO, Pb according to weight percentage3O4、Al2O3、CaO、K2O and SiO2Mixing is carried out to match
Material, CdO, Pb3O4、Al2O3、CaO、K2O and SiO2For pure material (content is more than 99.9%), each raw material is carried out in sand mill
Mixing and breaking up then dries powder, re-sieving after drying at 118 DEG C, sieve be 200 mesh, be then placed in sintering furnace into
Row sintering, sintering temperature are 1200 DEG C, finally so that diameter of particle is reached 13 microns in grinder sintered product；
The preparation of material D：By PbO2、CdO、ZnO、Mn2O3、Lu2O3And Fe2O3Mixed ingredients are carried out, each material purity is equal
More than 99.9%；Each raw material is subjected to mixing and breaking up in sand mill, is then dried powder at 115 DEG C, after drying again
Sieving, sieve are 200 mesh, obtain material D.
Embodiment 1
The preparation of soft magnetic materials is carried out according to the method described above, wherein materials A includes following raw material ingredient：C
0.26%, Sm 4%, Cd 0.08%, Mn 21%, Cr 13%, Si 5% and surplus Fe；Material B includes that following parts by weight are former
Expect ingredient：Fe 4%, Cd 0.04%, Si 0.5%, Cu 5%, Lu 0.5%, Sb 13% and surplus Sn；Material C include with
Lower raw material ingredient：CdO 0.1%, Pb3O43%, Al2O33%, CaO 3%, K2O 0.8% and surplus SiO2；Material D
Including following raw material ingredient：PbO20.1%, CdO 0.1%, ZnO 10%, Mn2O31.6%, Lu2O33% and remaining
Measure Fe2O3；Materials A, material B, material C and material D are 0.6 according to weight ratio:0.03：0.02：15.
Embodiment 2
The preparation of soft magnetic materials is carried out according to the method described above, wherein materials A includes following raw material ingredient：C
0.29%, Sm 6%, Cd 0.11%, Mn 23%, Cr 15%, Si 7% and surplus Fe；Material B includes that following parts by weight are former
Expect ingredient：Fe 7%, Cd 0.07%, Si 0.7%, Cu 7%, Lu 0.7%, Sb 15% and surplus Sn；Material C include with
Lower raw material ingredient：CdO 0.3%, Pb3O45%, Al2O35%, CaO 5%, K2O 1% and surplus SiO2；Material D packets
Include following raw material ingredient：PbO20.3%, CdO 0.3%, ZnO 12%, Mn2O31.7%, Lu2O36% and surplus
Fe2O3；Materials A, material B, material C and material D are 0.7 according to weight ratio:0.05：0.04：15.
Embodiment 3
The preparation of soft magnetic materials is carried out according to the method described above, wherein materials A includes following raw material ingredient：C
0.39%, Sm 8%, Cd 0.15%, Mn 25%, Cr 17%, Si 8% and surplus Fe；Material B includes that following parts by weight are former
Expect ingredient：Fe 9%, Cd 0.09%, Si 0.9%, Cu 9%, Lu 0.9%, Sb 18% and surplus Sn；Material C include with
Lower raw material ingredient：CdO 0.4%, Pb3O48%, Al2O38%, CaO 8%, K2O 1.2% and surplus SiO2；Material D
Including following raw material ingredient：PbO20.4%, CdO 0.4%, ZnO 14%, Mn2O31.9%, Lu2O39% and remaining
Measure Fe2O3；Materials A, material B, material C and material D are 0.9 according to weight ratio:0.08：0.06：15.
Embodiment 4
The preparation of soft magnetic materials is carried out according to the method described above, wherein materials A includes following raw material ingredient：C
0.22%, Sm 3%, Cd 0.05%, Mn 18%, Cr 11%, Si 4% and surplus Fe；Material B includes that following parts by weight are former
Expect ingredient：Fe 3%, Cd 0.02%, Si 0.4%, Cu 3%, Lu 0.4%, Sb 11% and surplus Sn；Material C include with
Lower raw material ingredient：CdO 0.07%, Pb3O42%, Al2O32%, CaO 2%, K2O 0.6% and surplus SiO2；Material
Expect that D includes following raw material ingredient：PbO20.07%, CdO 0.08%, ZnO 9%, Mn2O31.3%, Lu2O32%
With surplus Fe2O3；Materials A, material B, material C and material D are 0.5 according to weight ratio:0.02：0.01：15.
Embodiment 5
The preparation of soft magnetic materials is carried out according to the method described above, wherein materials A includes following raw material ingredient：C
0.41%, Sm 10%, Cd 0.17%, Mn 27%, Cr 19%, Si 9% and surplus Fe；Material B includes that following parts by weight are former
Expect ingredient：Fe 10%, Cd 0.12%, Si 1%, Cu 11%, Lu 1%, Sb 20% and surplus Sn；Material C includes following
Raw material ingredient：CdO 0.6%, Pb3O49%, Al2O39%, CaO 9%, K2O 1.7% and surplus SiO2；Material D packets
Include following raw material ingredient：PbO20.5%, CdO 0.5%, ZnO 16%, Mn2O32.2%, Lu2O312% and surplus
Fe2O3；Materials A, material B, material C and material D are 1 according to weight ratio:0.1：0.08：15.
Comparative example 1
A kind of wide warm height disclosed in the Chinese patent of Patent No. CN201510868079.4 leads magnetic ferrite magnetic core material
The performance of material.
Table 1
Fig. 1 is the organization chart of soft magnetic materials provided by the invention, and soft magnetic materials even tissue obtained is fine and close.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, the present invention to various combinations of possible ways no longer separately
Explanation.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (6)
1. a kind of soft magnetic materials, which is characterized in that the soft magnetic materials includes materials A, material B, material C and material D；
Wherein, the material composition of materials A includes：C, Sm, Cd, Mn, Cr, Si and Fe；
The material composition of material B includes：Fe, Cd, Si, Cu, Lu, Sb and Sn；
The material composition of material C includes：CdO,Pb3O4、Al2O3、CaO、K2O and SiO2；
The material composition of material D includes：PbO2、CdO、ZnO、Mn2O3、Lu2O3And Fe2O3。
2. soft magnetic materials according to claim 1, wherein materials A includes following raw material ingredient：C 0.26-
0.39%, Sm 4-8%, Cd 0.08-0.15%, Mn 21-25%, Cr 13-17%, Si 5-8% and surplus Fe.
3. soft magnetic materials according to claim 1, wherein material B includes following raw material ingredient：Fe 4-9%,
Cd 0.04-0.09%, Si 0.5-0.9%, Cu 5-9%, Lu 0.5-0.9%, Sb13-18% and surplus Sn.
4. soft magnetic materials according to claim 1, wherein material C includes following raw material ingredient：CdO 0.1-
0.4%, Pb3O43-8%, Al2O33-8%, CaO 3-8%, K2O 0.8-1.2% and surplus SiO2。
5. soft magnetic materials according to claim 1, wherein material D includes following raw material ingredient：PbO2 0.1-
0.4%, CdO 0.1-0.4%, ZnO 10-14%, Mn2O31.6-1.9%, Lu2O33-9% and surplus Fe2O3。
6. soft magnetic materials according to claim 1, wherein materials A, material B, material C and material D are according to weight ratio
0.6-0.9:0.03-0.08：0.02-0.06：15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810933836.5A CN108806915A (en) | 2018-08-16 | 2018-08-16 | Soft magnetic materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810933836.5A CN108806915A (en) | 2018-08-16 | 2018-08-16 | Soft magnetic materials |
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|---|---|
| CN108806915A true CN108806915A (en) | 2018-11-13 |
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ID=64080131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810933836.5A Pending CN108806915A (en) | 2018-08-16 | 2018-08-16 | Soft magnetic materials |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000017309A (en) * | 1998-07-03 | 2000-01-18 | Nichia Chem Ind Ltd | PRODUCTION OF RARE EARTH Fe BASED ALLOY POWDER |
| CN102651264A (en) * | 2011-02-25 | 2012-08-29 | 北京有色金属研究总院 | Sintered composite soft magnetic material and method for preparing same |
| CN108335819A (en) * | 2018-03-29 | 2018-07-27 | 南京信息工程大学 | A kind of sintering magnetic composite and preparation method thereof |
-
2018
- 2018-08-16 CN CN201810933836.5A patent/CN108806915A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000017309A (en) * | 1998-07-03 | 2000-01-18 | Nichia Chem Ind Ltd | PRODUCTION OF RARE EARTH Fe BASED ALLOY POWDER |
| CN102651264A (en) * | 2011-02-25 | 2012-08-29 | 北京有色金属研究总院 | Sintered composite soft magnetic material and method for preparing same |
| CN108335819A (en) * | 2018-03-29 | 2018-07-27 | 南京信息工程大学 | A kind of sintering magnetic composite and preparation method thereof |
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Application publication date: 20181113 |