CN104233055A - Preparation method of iron-silicon material and iron-silicon magnetic powder core - Google Patents
Preparation method of iron-silicon material and iron-silicon magnetic powder core Download PDFInfo
- Publication number
- CN104233055A CN104233055A CN201410445569.9A CN201410445569A CN104233055A CN 104233055 A CN104233055 A CN 104233055A CN 201410445569 A CN201410445569 A CN 201410445569A CN 104233055 A CN104233055 A CN 104233055A
- Authority
- CN
- China
- Prior art keywords
- iron
- silicon
- add
- powder
- magnetic particle
- 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.)
- Granted
Links
Landscapes
- Soft Magnetic Materials (AREA)
Abstract
The invention discloses a preparation method of an iron-silicon material and an iron-silicon magnetic powder core. The iron-silicon material and the iron-silicon magnetic powder core belong to binary iron-silicon alloy and are added with certain trace elements, wherein the silicon accounts for 6.2-6.8% and the balance is iron. A manufacturing process of the iron-silicon magnetic powder core comprises the following steps: alloy smelting, breaking, sieving, surface treatment, insulating and coating, adding a lubricant, compression moulding, heat treatment and strengthening treatment. The prepared iron-silicon material and iron-silicon magnetic powder core can be widely applied to such industries as a wind power generating inverter, an automobile anti-skid brake system (ABS) control system, an automobile generator and a variable frequency air conditioner.
Description
Technical field
The present invention relates to powder metallurgical technology, particularly relate to the manufacture method of a kind of iron silicon materials and iron silica magnetic particle core.
Background technology
Non-retentive alloy powder core soft-magnetic alloy powder is mixed a kind of compound soft magnetic material suppressed.Owing to one deck dielectric insulating film in the coated with uniform of soft-magnetic alloy powder particle, the resistivity of powder core is high, and thus eddy-current loss is very low, is applicable to upper frequency application.In addition, powder core also has the advantages such as higher saturation induction density, good frequency response characteristic and permanent magnetic conduction, make powder core be widely used in the fields such as telecommunications, radar, power switch as inductance fiilter, choke coil, become one of important integral part of soft magnetic materials.
Adopt the powder core that iron silicon non-retentive alloy manufactures, working temperature can reach 200 DEG C, avoid the thermal ageing problem of magnetic core when hot operation, simultaneously with high performance-price ratio and the feature such as excellent DC superposition characteristic, high-frequency low-consumption characteristic, its performance characteristics is just in time filled up and between ferrocart core and other three kinds of alloy magnetic powder cores (high magnetic flux, iron sial, iron nickel molybdenum).Compared with ferrocart core, iron silica magnetic particle has not aging, the advantage that power loss is low; Compared with Fe-Si-Al magnetic core, iron silica magnetic particle core has DC superposition characteristic, lower price; Compared with iron nickel powder core, the two DC superposition characteristic is suitable, and loss ratio iron nickel powder core is slightly high, but due to nickel be precious metal, expensive, so the cost of iron silica magnetic particle core will far below iron nickel powder core.Therefore the alloy magnetic powder adopting iron silicon alloy material to be made has wide Application Areas, causes the extensive concern of industry.Patent CN102294476A discloses the manufacture method of a kind of iron silicon materials and iron silica magnetic particle core, its application conditions is at 50kHz, 500Gs,-55 DEG C-150 DEG C, the needs of the clients such as solar inverter, wind power generation inverter, automobile ABS Controlling System, automobile current generator, convertible frequency air-conditioner cannot be met.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes the manufacture method of a kind of iron silicon materials and iron silica magnetic particle core.
The main component of a kind of iron silicon materials that the present invention proposes and iron silica magnetic particle core is two component system iron silicon alloy and adds certain trace element, silicon 6.2-6.8%, surplus is iron, and iron silica magnetic particle core manufacturing processed comprises: alloy melting, fragmentation, sub-sieve, surface treatment, insulating wrapped, add lubricant, compression moulding, thermal treatment, intensive treatment;
Alloy melting: alloy melting carries out in magnesia crucible open type medium-frequency induction furnace, smelting temperature is more than 1400 DEG C, and the alloy melting time is more than 50 minutes;
Broken: after alloy melting is good, to carry out the broken powder process of nitrogen spray;
Sub-sieve: powder sieves, the size-grade distribution of described iron silica magnetic particle core is:
Surface treatment: iron Si powder parch adds in 0.2-0.3% phosphoric acid solution to during temperature about 100 DEG C, specifically determines according to magnetic susceptibility kind, carries out surface passivating treatment;
Insulating wrapped: add 2-3% silicone adhesive, continue parch to dry, described silicone adhesive is add a small amount of talcum powder in PSI, and its add-on is the 10-15% of methylphenyl siloxane weight;
Add lubricant: add Zinic stearas after the cooling of iron Si powder, the add-on of Zinic stearas is the 0.4-0.6% of iron Si powder weight, obtained iron silicon mixture;
Compression moulding: compression moulding under the condition of pressure 10-25 ton/square centimeter;
Thermal treatment: temperature passes into nitrogen under 600-700 DEG C of condition, thermal treatment 60-120 minute;
Intensive treatment: product to be immersed in the solution configured by the single component epoxy of 2-10% and 90-98% acetone 20 minutes, then clean with alcohol rinse, put into 200 DEG C, stove baking 30-60 minute.
Preferably, the trace element added in two component system iron silicon alloy comprises: 0.08-0.1%Cr, 0.04-0.1%Mn.
The present invention passes through to add trace element in iron silicon materials and the manufacturing processed improving iron silica magnetic particle core, controls the size-grade distribution of iron silica magnetic particle core, reaches the operating ambient temperature expanding iron silica magnetic particle core, the effect of reduction core loss.
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The main component of a kind of iron silicon materials that the present invention proposes and iron silica magnetic particle core is two component system iron silicon alloy and adds certain trace element, silicon 6.2%, and surplus is iron, and the trace element added in two component system iron silicon alloy comprises: 0.08%Cr, 0.1%Mn;
Iron silica magnetic particle core manufacturing processed comprises: alloy melting, fragmentation, sub-sieve, surface treatment, insulating wrapped, add lubricant, compression moulding, thermal treatment, intensive treatment;
Alloy melting: alloy melting carries out in magnesia crucible open type medium-frequency induction furnace, smelting temperature is 1450 DEG C, and the alloy melting time was at 70 minutes;
Broken: after alloy melting is good, to carry out the broken powder process of nitrogen spray;
Sub-sieve: powder sieves, the size-grade distribution of described iron silica magnetic particle core is;
Surface treatment: iron Si powder parch adds in 0.25% phosphoric acid solution to during temperature about 100 DEG C, carries out surface passivating treatment;
Insulating wrapped: add 2% silicone adhesive, continue parch to dry, described silicone adhesive is add a small amount of talcum powder in PSI, and its add-on is 10% of methylphenyl siloxane weight;
Add lubricant: after the cooling of iron Si powder, add Zinic stearas 0.6%, obtained iron silicon mixture;
Compression moulding: compression moulding under the condition of pressure 25 tons/square centimeter;
Thermal treatment: temperature passes into nitrogen under 700 DEG C of conditions, thermal treatment 120 minutes;
Intensive treatment: product to be immersed in the solution configured by the single component epoxy of 2% and 98% acetone 20 minutes, then clean with alcohol rinse, put into 200 DEG C, stove baking 60 minutes.
Embodiment 2
The main component of a kind of iron silicon materials that the present invention proposes and iron silica magnetic particle core is two component system iron silicon alloy and adds certain trace element, silicon 6.8%, and surplus is iron, and the trace element added in two component system iron silicon alloy comprises: 0.1%Cr, 0.08%Mn;
Iron silica magnetic particle core manufacturing processed comprises: alloy melting, fragmentation, sub-sieve, surface treatment, insulating wrapped, add lubricant, compression moulding, thermal treatment, intensive treatment;
Alloy melting: alloy melting carries out in magnesia crucible open type medium-frequency induction furnace, smelting temperature is 1470 DEG C, and the alloy melting time was at 60 minutes;
Broken: after alloy melting is good, to carry out the broken powder process of nitrogen spray;
Sub-sieve: powder sieves, the size-grade distribution of described iron silica magnetic particle core is:
Surface treatment: iron Si powder parch adds in 0.3% phosphoric acid solution to during temperature about 100 DEG C, carries out surface passivating treatment;
Insulating wrapped: add 3% silicone adhesive, continue parch to dry, described silicone adhesive is add a small amount of talcum powder in PSI, and its add-on is 15% of methylphenyl siloxane weight;
Add lubricant: after the cooling of iron Si powder, add Zinic stearas 0.4%, obtained iron silicon mixture;
Compression moulding: compression moulding under the condition of pressure 15 tons/square centimeter;
Thermal treatment: temperature passes into nitrogen under 650 DEG C of conditions, thermal treatment 80 minutes;
Intensive treatment: product to be immersed in the solution configured by the single component epoxy of 5% and 95% acetone 20 minutes, then clean with alcohol rinse, put into 200 DEG C, stove baking 120 minutes.
Embodiment 3
The main component of a kind of iron silicon materials that the present invention proposes and iron silica magnetic particle core is two component system iron silicon alloy and adds certain trace element, silicon 6.5%, and surplus is iron, and the trace element added in two component system iron silicon alloy comprises: 0.085%Cr, 0.04%Mn;
Iron silica magnetic particle core manufacturing processed comprises: alloy melting, fragmentation, sub-sieve, surface treatment, insulating wrapped, add lubricant, compression moulding, thermal treatment, intensive treatment;
Alloy melting: alloy melting carries out in magnesia crucible open type medium-frequency induction furnace, smelting temperature is 1520 DEG C, and the alloy melting time was at 75 minutes;
Broken: after alloy melting is good, to carry out the broken powder process of nitrogen spray;
Sub-sieve: powder sieves, the size-grade distribution of described iron silica magnetic particle core is:
Surface treatment: iron Si powder parch adds in 0.3% phosphoric acid solution to during temperature about 100 DEG C, carries out surface passivating treatment;
Insulating wrapped: add 2.5% silicone adhesive, continue parch to dry, described silicone adhesive is add a small amount of talcum powder in PSI, and its add-on is 12% of methylphenyl siloxane weight;
Add lubricant: after the cooling of iron Si powder, add Zinic stearas 0.45%, obtained iron silicon mixture;
Compression moulding: compression moulding under the condition of pressure 10 tons/square centimeter;
Thermal treatment: temperature passes into nitrogen under 600 DEG C of conditions, thermal treatment 60 minutes:
Intensive treatment: product to be immersed in the solution configured by the single component epoxy of 10% and 90% acetone 20 minutes, then clean with alcohol rinse, put into 200 DEG C, stove baking 95 minutes.
The silica magnetic particle of iron described in embodiment 1-3 core is carried out performance test, and test result is as follows:
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. the manufacture method of iron silicon materials and iron silica magnetic particle core, it is characterized in that, described iron silicon materials and iron silica magnetic particle core are two component system iron silicon alloy and add certain trace element, and iron silica magnetic particle core manufacturing processed comprises: alloy melting, fragmentation, sub-sieve, surface treatment, insulating wrapped, add lubricant, compression moulding, thermal treatment, intensive treatment;
Alloy melting: alloy melting carries out in magnesia crucible open type medium-frequency induction furnace, smelting temperature is more than 1400 DEG C, and the alloy melting time is more than 50 minutes;
Broken: after alloy melting is good, to carry out the broken powder process of nitrogen spray;
Sub-sieve: powder sieves, the size-grade distribution of described iron silica magnetic particle core is:
Particle diameter-80+100≤1%;
Particle diameter-200+300 10-20%;
Particle diameter-300+400 18-28%;
Particle diameter-400+500 and-500 58-68%;
Surface treatment: iron Si powder parch adds in 0.2-0.3% phosphoric acid solution to during temperature about 100 DEG C, specifically determines according to magnetic susceptibility kind, carries out surface passivating treatment;
Insulating wrapped: add 2-3% silicone adhesive, continues parch to dry;
Add lubricant: add Zinic stearas after the cooling of iron Si powder, the add-on of Zinic stearas is the 0.4-0.6% of iron Si powder weight, obtained iron silicon mixture;
Compression moulding: compression moulding under the condition of pressure 10-25 ton/square centimeter;
Thermal treatment: temperature passes into nitrogen under 600-700 DEG C of condition, thermal treatment 60-120 minute;
Intensive treatment: product to be immersed in the solution configured by the single component epoxy of 2-10% and 90-98% acetone 20 minutes, then clean with alcohol rinse, put into 200 DEG C, stove baking 30-60 minute.
2. the manufacture method of iron silicon materials as claimed in claim 1 and iron silica magnetic particle core, it is characterized in that, the preparation method of described silicone adhesive adds a small amount of talcum powder in PSI, and talcous add-on is the 10-15% of methylphenyl siloxane weight.
3. the manufacture method of a kind of iron silicon materials as claimed in claim 1 and iron silica magnetic particle core, is characterized in that, the composition of described iron silicon materials and iron silica magnetic particle core is: 6.2-6.8%Si, 0.08-0.1%Cr, 0.04-0.1%Mn, and surplus is iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445569.9A CN104233055B (en) | 2014-09-03 | 2014-09-03 | The manufacture method of a kind of iron silicon materials and iron silica magnetic particle core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445569.9A CN104233055B (en) | 2014-09-03 | 2014-09-03 | The manufacture method of a kind of iron silicon materials and iron silica magnetic particle core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104233055A true CN104233055A (en) | 2014-12-24 |
| CN104233055B CN104233055B (en) | 2016-06-01 |
Family
ID=52221941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410445569.9A Active CN104233055B (en) | 2014-09-03 | 2014-09-03 | The manufacture method of a kind of iron silicon materials and iron silica magnetic particle core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104233055B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014065A (en) * | 2015-08-12 | 2015-11-04 | 湖州南浔闻天磁性材料有限公司 | Fe-Si-Al soft magnetic powder |
| CN105344654A (en) * | 2015-12-10 | 2016-02-24 | 重庆润际远东新材料科技有限公司 | Sewage treatment and nitrogen-gas charging type silicon block crushing system used for silicon powder production |
| CN105845385A (en) * | 2015-01-29 | 2016-08-10 | Tdk株式会社 | Soft magnetic metal powder-compact magnetic core |
| CN106493358A (en) * | 2016-11-07 | 2017-03-15 | 南昌专腾科技有限公司 | A kind of magnesium base composite material, preparation system and method |
| CN108831731A (en) * | 2018-06-27 | 2018-11-16 | 四川东阁科技有限公司 | A kind of powder core resistant to high temperature |
| CN109065316A (en) * | 2018-08-08 | 2018-12-21 | 德清鑫晨粉末科技有限公司 | A kind of iron silicon magnetic core of high magnetic permeability and preparation method thereof |
| CN110039060A (en) * | 2019-05-16 | 2019-07-23 | 马鞍山新康达磁业有限公司 | A kind of preparation method of high DC stacked characteristic FeSi alloy powder |
| CN112475288A (en) * | 2020-09-30 | 2021-03-12 | 东睦新材料集团股份有限公司 | Preparation method of soft magnetic composite material for stator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110245A (en) * | 1996-10-04 | 1998-04-28 | Nippon Steel Corp | Steel wire for acsr, produced in iron loss |
| CN102294476A (en) * | 2011-08-17 | 2011-12-28 | 天通控股股份有限公司 | Ferrosilicon material and mu75 ferrosilicon magnetic powder core manufacturing method |
| CN102303115A (en) * | 2011-08-17 | 2012-01-04 | 天通控股股份有限公司 | Manufacturing method of ferrum silicon material and mu26 ferrum silicon magnetic powder core |
| CN102610349A (en) * | 2012-04-05 | 2012-07-25 | 天通控股股份有限公司 | Method for manufacturing mu-90 sendust magnetic powder cores |
| CN103589946A (en) * | 2013-11-28 | 2014-02-19 | 四川东阁科技有限公司 | Making method of iron-silicon material and mu35 iron-silicon magnetic powder core |
-
2014
- 2014-09-03 CN CN201410445569.9A patent/CN104233055B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110245A (en) * | 1996-10-04 | 1998-04-28 | Nippon Steel Corp | Steel wire for acsr, produced in iron loss |
| CN102294476A (en) * | 2011-08-17 | 2011-12-28 | 天通控股股份有限公司 | Ferrosilicon material and mu75 ferrosilicon magnetic powder core manufacturing method |
| CN102303115A (en) * | 2011-08-17 | 2012-01-04 | 天通控股股份有限公司 | Manufacturing method of ferrum silicon material and mu26 ferrum silicon magnetic powder core |
| CN102610349A (en) * | 2012-04-05 | 2012-07-25 | 天通控股股份有限公司 | Method for manufacturing mu-90 sendust magnetic powder cores |
| CN103589946A (en) * | 2013-11-28 | 2014-02-19 | 四川东阁科技有限公司 | Making method of iron-silicon material and mu35 iron-silicon magnetic powder core |
Non-Patent Citations (2)
| Title |
|---|
| 北京交通大学材料系: "《金属材料学》", 30 April 1982, article "合金元素对钢性能的影响", pages: 295-299 * |
| 北京钢铁学院: "《电炉炼钢学》", 30 September 1961, article "合金元素的作用及硅钢规格", pages: 384-387 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845385A (en) * | 2015-01-29 | 2016-08-10 | Tdk株式会社 | Soft magnetic metal powder-compact magnetic core |
| CN105845385B (en) * | 2015-01-29 | 2018-05-15 | Tdk株式会社 | Soft magnetic metal compressed-core |
| CN105014065A (en) * | 2015-08-12 | 2015-11-04 | 湖州南浔闻天磁性材料有限公司 | Fe-Si-Al soft magnetic powder |
| CN105014065B (en) * | 2015-08-12 | 2017-11-10 | 湖州南浔闻天磁性材料有限公司 | A kind of iron-silicon-aluminum soft magnetic powder |
| CN105344654A (en) * | 2015-12-10 | 2016-02-24 | 重庆润际远东新材料科技有限公司 | Sewage treatment and nitrogen-gas charging type silicon block crushing system used for silicon powder production |
| CN106493358A (en) * | 2016-11-07 | 2017-03-15 | 南昌专腾科技有限公司 | A kind of magnesium base composite material, preparation system and method |
| CN108831731A (en) * | 2018-06-27 | 2018-11-16 | 四川东阁科技有限公司 | A kind of powder core resistant to high temperature |
| CN109065316A (en) * | 2018-08-08 | 2018-12-21 | 德清鑫晨粉末科技有限公司 | A kind of iron silicon magnetic core of high magnetic permeability and preparation method thereof |
| CN110039060A (en) * | 2019-05-16 | 2019-07-23 | 马鞍山新康达磁业有限公司 | A kind of preparation method of high DC stacked characteristic FeSi alloy powder |
| CN110039060B (en) * | 2019-05-16 | 2022-05-06 | 马鞍山新康达磁业有限公司 | Preparation method of FeSi alloy powder with high direct current superposition characteristic |
| CN112475288A (en) * | 2020-09-30 | 2021-03-12 | 东睦新材料集团股份有限公司 | Preparation method of soft magnetic composite material for stator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104233055B (en) | 2016-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104233055B (en) | The manufacture method of a kind of iron silicon materials and iron silica magnetic particle core | |
| CN102623121B (en) | Method for manufacturing iron-silicon material and Mu-90 iron-silicon magnetic powder core | |
| CN104070161B (en) | The preparation method of the coated soft-magnetic composite material of a kind of inorganic-organic hybrid binding agent | |
| CN109285685B (en) | Preparation method of high-permeability gas-atomized Fe-Si-Al magnetic powder core | |
| CN102294476B (en) | Ferrosilicon material and mu75 ferrosilicon magnetic powder core manufacturing method | |
| CN102294475B (en) | Ferrosilicon material and mu60 ferrosilicon magnetic powder core manufacturing method | |
| CN102436895A (en) | Preparation method for ferrosilicon aluminum magnetic powder core | |
| CN107578876B (en) | Manufacturing process of iron-silicon alloy soft magnetic composite material | |
| CN103456479A (en) | Method for manufacturing high-temperature-resistant metal soft magnetic powder core | |
| CN104190945A (en) | Method for preparing amorphous metal soft magnetic powder core | |
| CN102303115B (en) | Manufacturing method of ferrum silicon material and mu26 ferrum silicon magnetic powder core | |
| CN102019422A (en) | Method for manufacturing soft magnet silicon-aluminum alloy magnetic powder core mu e 60 | |
| TW201738908A (en) | Powder core, manufacturing method of powder core, inductor including powder core, and electronic/electric device having inductor mounted therein | |
| CN107119174B (en) | Annealing method for improving DC bias performance of Fe-Si-Al soft magnetic powder core | |
| CN107424706B (en) | Silicon steel powder core and preparation method thereof | |
| CN103594219A (en) | Method for manufacturing sendust material and mu173 sendust magnetic powder core | |
| CN105810382A (en) | Preparation method of iron-silicon material | |
| CN106531387A (en) | Novel amorphous magnetic powder core and preparation method thereof | |
| CN106222478A (en) | A kind of ternary-alloy sealing material and preparation method thereof | |
| CN106653273A (en) | Iron-silicon-aluminum-ferrite composite magnetic core and preparation method therefor | |
| CN104103413A (en) | Method for preparing magnetic powder core with high-flux magnet ring performance | |
| CN104240890B (en) | A kind of powder core | |
| CN110931237B (en) | Preparation method of soft magnetic powder material with high resistivity and high mechanical strength | |
| CN102543345A (en) | Low power consumption Fe-Si-Al alloy material with magnetic conductivity mu=26 and preparation method thereof | |
| CN106653277A (en) | High-conductivity FeSiAl magnetic powder core and preparation method for same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201118 Address after: 11th floor, donglecheng international, Shuguang Road, Chengguan Street, Dongming County, Heze City, Shandong Province Patentee after: Heze Jianshu Intelligent Technology Co., Ltd Address before: 313000 Shuanglin town in Zhejiang province Huzhou city Nanxun District Ni Jia Tan Industrial Zone Patentee before: HUZHOU NANXUN WENTIAN MAGNETISM Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210126 Address after: 226600 200 Jianghai West Road, Hai'an town, Hai'an City, Nantong City, Jiangsu Province Patentee after: JIANGSU JUXIN MAGNET Co.,Ltd. Address before: 11 / F, donglecheng international, Shuguang Road, Chengguan Street, Dongming County, Heze City, Shandong Province 274000 Patentee before: Heze Jianshu Intelligent Technology Co., Ltd |