CN102208237A - Nano ferrosilicon soft magnetic material - Google Patents
Nano ferrosilicon soft magnetic material Download PDFInfo
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- CN102208237A CN102208237A CN 201010138198 CN201010138198A CN102208237A CN 102208237 A CN102208237 A CN 102208237A CN 201010138198 CN201010138198 CN 201010138198 CN 201010138198 A CN201010138198 A CN 201010138198A CN 102208237 A CN102208237 A CN 102208237A
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Abstract
The invention discloses a nano ferrosilicon soft magnetic material. The material consists of nano crystal ferrosilicon powder. By the nano ferrosilicon soft magnetic material, the magnetic loss is reduced greatly and the direct-current bias force is increased; and in particular, the cost of the soft magnetic material is reduced greatly and the use range of the soft magnetic material is expanded greatly.
Description
Technical field
The present invention relates to a kind of magnetic material.
Background technology
Soft magnetic material is a kind of magnetic material with low-coercivity and high magnetic permeability, the electromagnetic performance excellence.Soft magnetic material is easy to magnetization, also is easy to demagnetization, is widely used in electrical equipment and the electronic equipment, and using maximum soft magnetic materials in the prior art is ferro-silicium (silicon steel sheet) and iron-nickel alloy.The iron of iron-nickel alloy employing 50% of the prior art and the synthetic soft magnetic material of 50% nickel, but because the cost height of metallic nickel so cause the cost height of iron-nickel alloy soft magnetic material, makes the use of soft magnetic material be subjected to certain restriction.
Summary of the invention
For solving the problem that prior art exists, the invention provides the nanometer iron silicon soft magnetic material that a kind of cost is low, electromagnetic performance is high.
The present invention is achieved in that
A kind of soft magnetic material, the alloy material that described soft magnetic material is made up of nano crystal iron silicon alloy powder.
Further: described soft magnetic material is that 91～97% nanometer iron and mass percent are that 3～9% nano-silicon is formed by mass percent.
Preferably: described soft magnetic material is that 93.5% nanometer iron and mass percent are that 6.5% nano-silicon is formed by mass percent.
Nanometer iron silicon soft magnetic material provided by the invention, after the ferro-silicium nanometer, its soft magnet performance further is greatly enhanced, magnetic loss reduces greatly, direct current biasing power improves, and especially greatly reduces the cost of soft magnetic material, has enlarged the scope of application of soft magnetic material greatly.
Embodiment
Describe the present invention in detail below in conjunction with specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment 1:
The soft magnetic material that present embodiment provides is for being that 93.5% iron and mass percent are the alloy material that 6.5% silicon is formed by mass percent.
The raw material of above-mentioned mass percent is carried out melting, generate nanoscale alloy powder soft magnetic material by atomizer then.
The Nano soft magnetic material magnetic loss that present embodiment provides reduces greatly, and electromagnetic performance improves.After tested:
1, in test condition 50khz/1000gass (Gauss) following time, its magnetic loss is less than 450mw/cm
3(milliwatt/cubic centimetre); Magnetic permeability is 60 μ;
2, direct current biasing ability: under the magnetic field intensity of 100Oe (oersted), the inductance value conservation rate reaches 70% when above; Magnetic permeability is 60 μ.
Embodiment 2:
The soft magnetic material that present embodiment provides is for being that 91% iron and mass percent are the alloy material that 9% silicon is formed by mass percent.
The raw material of above-mentioned mass percent is carried out melting, generate nanoscale alloy powder soft magnetic material by atomizer then.
The Nano soft magnetic material magnetic loss that present embodiment provides reduces greatly, and electromagnetic performance improves.After tested:
1, in test condition 50khz/1000gass (Gauss) following time, its magnetic loss is less than 450mw/cm
3(milliwatt/cubic centimetre); Magnetic permeability is 60 μ;
2, direct current biasing ability: under the magnetic field intensity of 100Oe (oersted), the inductance value conservation rate reaches 70% when above; Magnetic permeability is 60 μ.
Embodiment 3:
The soft magnetic material that present embodiment provides is for being that 97% iron and mass percent are the alloy material that 3% silicon is formed by mass percent.
The raw material of above-mentioned mass percent is carried out melting, generate nanoscale alloy powder soft magnetic material by atomizer then.
The Nano soft magnetic material magnetic loss that present embodiment provides reduces greatly, and electromagnetic performance improves.After tested:
1, in test condition 50khz/1000gass (Gauss) following time, its magnetic loss is less than 450mw/cm
3(milliwatt/cubic centimetre); Magnetic permeability is 60 μ;
2, direct current biasing ability: under the magnetic field intensity of 100Oe (oersted), the inductance value conservation rate reaches 70% when above; Magnetic permeability is 60 μ.
More than the technical scheme that the embodiment of the invention provided is described in detail, used specific case herein the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (3)
1. a soft magnetic material is characterized in that: the alloy material that described soft magnetic material is made up of nano crystal iron silicon alloy powder.
2. soft magnetic material as claimed in claim 1 is characterized in that: described soft magnetic material is that 91～97% iron and mass percent are that 3～9% silicon is formed by mass percent.
3. soft magnetic material as claimed in claim 2 is characterized in that: described soft magnetic material is that 93.5% iron and mass percent are that 6.5% silicon is formed by mass percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138198 CN102208237A (en) | 2010-03-29 | 2010-03-29 | Nano ferrosilicon soft magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138198 CN102208237A (en) | 2010-03-29 | 2010-03-29 | Nano ferrosilicon soft magnetic material |
Publications (1)
| Publication Number | Publication Date |
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| CN102208237A true CN102208237A (en) | 2011-10-05 |
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| CN 201010138198 Pending CN102208237A (en) | 2010-03-29 | 2010-03-29 | Nano ferrosilicon soft magnetic material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969107A (en) * | 2012-06-19 | 2013-03-13 | 浙江科达磁电有限公司 | Nano-crystalline magnetic powder core with magnetic conductivity of mu=60 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944706A (en) * | 2006-10-30 | 2007-04-11 | 北京航空航天大学 | Method for preparing Fe-6.5 wt% Si thin plate using continuous magnetic control sputtering physical gas phase depositing |
| US20080053274A1 (en) * | 2005-02-11 | 2008-03-06 | The Nanosteel Company, Inc. | Glass stability, glass forming ability, and microstructural refinement |
| CN101441916A (en) * | 2007-11-22 | 2009-05-27 | 中国科学院兰州化学物理研究所 | Method for preparing nanometer iron silicon soft magnetic material |
-
2010
- 2010-03-29 CN CN 201010138198 patent/CN102208237A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053274A1 (en) * | 2005-02-11 | 2008-03-06 | The Nanosteel Company, Inc. | Glass stability, glass forming ability, and microstructural refinement |
| CN1944706A (en) * | 2006-10-30 | 2007-04-11 | 北京航空航天大学 | Method for preparing Fe-6.5 wt% Si thin plate using continuous magnetic control sputtering physical gas phase depositing |
| CN101441916A (en) * | 2007-11-22 | 2009-05-27 | 中国科学院兰州化学物理研究所 | Method for preparing nanometer iron silicon soft magnetic material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969107A (en) * | 2012-06-19 | 2013-03-13 | 浙江科达磁电有限公司 | Nano-crystalline magnetic powder core with magnetic conductivity of mu=60 |
| CN102969107B (en) * | 2012-06-19 | 2015-09-16 | 浙江科达磁电有限公司 | A kind of nanocrystalline magnetic core of magnetic permeability μ=60 |
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Application publication date: 20111005 |