CN108922718A - The technique that a kind of amorphous alloy and silicon steel composite powder prepare magnetic core - Google Patents
The technique that a kind of amorphous alloy and silicon steel composite powder prepare magnetic core Download PDFInfo
- Publication number
- CN108922718A CN108922718A CN201810801106.XA CN201810801106A CN108922718A CN 108922718 A CN108922718 A CN 108922718A CN 201810801106 A CN201810801106 A CN 201810801106A CN 108922718 A CN108922718 A CN 108922718A
- Authority
- CN
- China
- Prior art keywords
- silicon steel
- amorphous alloy
- powder
- magnetic core
- fragment
- 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
- H01F1/14—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 metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15341—Preparation processes therefor
- H01F1/1535—Preparation processes therefor by powder metallurgy, e.g. spark erosion
Abstract
The invention discloses the techniques that a kind of amorphous alloy and silicon steel composite powder prepare magnetic core, including hot-forming step：It is added silicone adhesive into composite magnetic powder according to the proportion, the mass ratio of the silicone adhesive and the composite magnetic powder is 1 ︰（3~5）The mixture of the silicone adhesive and the composite magnetic powder is placed in molding die, it is heated to 140~160 DEG C, the mixture of the silicone adhesive and the composite magnetic powder is formed with the pressure compacting of the MPa of 1000 MPa~1300 simultaneously, obtains composite material magnetic core.A kind of amorphous alloy provided by the invention and silicon steel composite powder prepare the technique of magnetic core, can be sufficiently mixed amorphous powdered alloy and silicon steel powder, and are magnetic core by amorphous alloy and silicon steel composite powder machine-shaping.
Description
Technical field
The present invention relates to a kind of composite material magnetic core fabricating technology field, especially a kind of amorphous alloy and silicon steel are multiple
Close the technique that powder prepares magnetic core.
Background technique
Amorphous alloy material above has the long-range unordered structure feature of atomic arrangement microcosmic, therefore can show preferably
Magnetic property, suitable for manufacturing current transformer, voltage transformer and the magnetic core of transformer, and compared to conventional silicon steel sheet
Magnetic core, amorphous alloy magnetic core embody preferably in various aspects such as high saturated magnetic induction, magnetic conductivity, excitation current and iron loss
Performance.
But difference of the amorphous alloy material according to its component, the coercivity with higher having, and some then have compared with
Low coercivity needs to select the lesser material of coercivity for transformer, so that it is guaranteed that the magnetic core after failure of current
Magnetism can disappear, and conventional iron silicon boron system amorphous alloy magnetic material, coercivity still exists centainly compared to silicon steel sheet
Gap.Magnetic core is prepared using amorphous alloy and silicon steel composite powder, then can make magnetic core both has the height of amorphous alloy material full
And magnetic induction intensity, and there are the lower coercivity properties of silicon steel sheet；It is multiple it is therefore desirable to provide a kind of amorphous alloy and silicon steel
Close the technique that powder prepares magnetic core.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of amorphous alloys and silicon steel composite powder to prepare magnetic core
Technique, amorphous powdered alloy and silicon steel powder can be sufficiently mixed, and amorphous alloy and silicon steel composite powder are added
Work is shaped to magnetic core.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of amorphous alloy and silicon steel composite powder prepare the technique of magnetic core, including hot-forming step：According to the proportion to compound
Silicone adhesive, the mass ratio of the silicone adhesive and the composite magnetic powder are added in magnetic material powder
For 1 ︰（3~5）, the mixture of the silicone adhesive and the composite magnetic powder is placed in molding die, is added
Heat makes the silicone adhesive and described compound to 140~160 DEG C, while with the compacting of the pressure of the MPa of 1000 MPa~1300
The mixture of magnetic material powder forms, and obtains composite material magnetic core.
As a further improvement of the above technical scheme, further include powder mixing step before the hot-forming step
Suddenly：It is 3 ︰ according to mass ratio（1~5）Proportion weigh amorphous alloy fragment and silicon steel fragment, then by amorphous alloy fragment and
Silicon steel fragment, which is placed in vibrator, mills 12 hours~24 hours, until the powder grain of amorphous alloy fragment and silicon steel fragment
Diameter is less than 50 microns.
As a further improvement of the above technical scheme, further include before the powders mixing amorphous alloy preparation
Step：
Amorphous powdered alloy is prepared after raw material is weighed according to the proportion of element mass percent and is put into in air-tightness
In frequency induction melting furnace, heating in vacuum makes magnetic material prepare the abundant melting mixing of raw material, is then further continued for 5~10 points of melting
Clock, heat preservation to 1300~1350 DEG C of obtained amorphous alloy molten liquids；
Amorphous alloy molten liquid is cast on fast quenching list roller, while keeping the cooling amorphous alloy strips projected on fast quenching list roller logical
Blade mill is crossed, amorphous alloy strips are smashed as amorphous alloy fragment.
As a further improvement of the above technical scheme, the amorphous powdered alloy includes the member of following mass percent
Element：Element silicon 9%, boron element 7%, manganese element 1.4%, cobalt element 0.8%, vanadium 1.7%, carbon 3.3%, the iron of surplus are first
Element.
As a further improvement of the above technical scheme, further include before the powders mixing silicon steel preparation step
Suddenly：It prepared by silicon steel powder put into vacuum calcining furnace after raw material is weighed according to the proportion of element mass percent and be forged
It burns, the temperature of calcining is 1250~1300 DEG C, and calcination time is that then fragment shape, which is made, was placed in natural cooling in air in 30 minutes,
Annealing cold rolling is carried out again, and annealing temperature is 550~650 DEG C, and cold de-rate of annealing is 5~10 DEG C/min, and silicon steel fragment is made.
As a further improvement of the above technical scheme, the silicon steel powder includes the element of following mass percent：Silicon
The ferro element of element 6.5%, surplus.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of amorphous alloy provided by the present invention and silicon steel composite powder prepare the technique of magnetic core, can be by amorphous powdered alloy
It is sufficiently mixed with silicon steel powder, and is magnetic core by amorphous alloy and silicon steel composite powder machine-shaping, to make magnetic core both
High saturated magnetic induction with amorphous alloy material, and there are the lower coercivity properties of silicon steel sheet.
Specific embodiment
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
A kind of amorphous alloy and silicon steel composite powder provided by the present embodiment prepare the technique of magnetic core, including following step
Suddenly：
It puts into Step 1: amorphous powdered alloy is prepared after raw material is weighed according to the proportion of element mass percent with airtight
In the medium frequency induction melting furnace of property, heating in vacuum makes magnetic material prepare the abundant melting mixing of raw material, be then further continued for melting 5~
10 minutes, heat preservation to 1300~1350 DEG C of obtained amorphous alloy molten liquids；The amorphous powdered alloy includes following quality percentage
The element of ratio：Element silicon 9%, boron element 7%, manganese element 1.4%, cobalt element 0.8%, vanadium 1.7%, carbon 3.3%, surplus
Ferro element.
Step 2: amorphous alloy molten liquid is cast on fast quenching list roller, while making to cool down the non-of injection on fast quenching list roller
Peritectic alloy band is smashed amorphous alloy strips as amorphous alloy fragment by blade mill.
Vacuum calcining is put into Step 3: silicon steel powder is prepared after raw material is weighed according to the proportion of element mass percent
It is calcined in furnace, the temperature of calcining is 1250~1300 DEG C, and calcination time is that then fragment shape, which is made, was placed in air in 30 minutes
Middle natural cooling, then annealing cold rolling is carried out, annealing temperature is 550~650 DEG C, and cold de-rate of annealing is 5~10 DEG C/min, is made
Silicon steel fragment；The silicon steel powder includes the element of following mass percent：The ferro element of element silicon 6.5%, surplus.
Step 5: being 3 ︰ according to mass ratio（1~5）Proportion weigh step 3 preparation amorphous alloy fragment and step 4
The silicon steel fragment of preparation, then amorphous alloy fragment and silicon steel fragment are placed in vibrator mill it is 12 hours~24 small
When, until less than 50 microns, composite magnetic powder is made in the powder diameter of amorphous alloy fragment and silicon steel fragment；
Step 6: silicone adhesive, the silicone adhesive is added into the composite magnetic powder according to the proportion
Mass ratio with the composite magnetic powder is 1 ︰（3~5）, by the silicone adhesive and the composite magnetic
The mixture of powder is placed in molding die, is heated to 140~160 DEG C, while with the pressure pressure of the MPa of 1000 MPa~1300
System forms the mixture of the silicone adhesive and the composite magnetic powder, obtains composite material magnetic core.
A kind of amorphous alloy provided in this embodiment and silicon steel composite powder prepare the technique of magnetic core, the product prepared
Saturation magnetic induction is the T of 2.5 T~2.7, and exciting power when coercivity 1.8 A/m~2.2 A/m, 1.35T/50Hz is 0.30
The VA/kg of VA/kg~0.50.
Better embodiment of the invention is illustrated above, certainly, the present invention can also using with it is above-mentioned
The different form of embodiment, those skilled in the art are made equivalent on the premise of without prejudice to spirit of the invention
Transformation or corresponding change, all should belong in protection scope of the present invention.
Claims (6)
1. the technique that a kind of amorphous alloy and silicon steel composite powder prepare magnetic core, which is characterized in that including hot-forming step：It presses
Silicone adhesive, the silicone adhesive and the composite magnetic are added into composite magnetic powder according to proportion
The mass ratio of powder is 1 ︰（3~5）, the mixture of the silicone adhesive and the composite magnetic powder is placed in into
In pattern tool, 140~160 DEG C are heated to, while bond the silicone resin with the compacting of the pressure of the MPa of 1000 MPa~1300
The molding of the mixture of agent and the composite magnetic powder.
2. the technique that a kind of amorphous alloy according to claim 1 and silicon steel composite powder prepare magnetic core, which is characterized in that
It further include the powders mixing before the hot-forming step：It is 3 ︰ according to mass ratio（1~5）Proportion weigh amorphous close
Golden fragment and silicon steel fragment, then amorphous alloy fragment and silicon steel fragment are placed in vibrator mill it is 12 hours~24 small
When, until the powder diameter of amorphous alloy fragment and silicon steel fragment is less than 50 microns.
3. the technique that a kind of amorphous alloy according to claim 2 and silicon steel composite powder prepare magnetic core, which is characterized in that
It further include the amorphous alloy preparation step before the powders mixing：
Amorphous powdered alloy is prepared after raw material is weighed according to the proportion of element mass percent and is put into in air-tightness
In frequency induction melting furnace, heating in vacuum makes magnetic material prepare the abundant melting mixing of raw material, is then further continued for 5~10 points of melting
Clock, heat preservation to 1300~1350 DEG C of obtained amorphous alloy molten liquids；
Amorphous alloy molten liquid is cast on fast quenching list roller, while keeping the cooling amorphous alloy strips projected on fast quenching list roller logical
Blade mill is crossed, amorphous alloy strips are smashed as amorphous alloy fragment.
4. the technique that a kind of amorphous alloy according to claim 3 and silicon steel composite powder prepare magnetic core, which is characterized in that
The amorphous powdered alloy includes the element of following mass percent：Element silicon 9%, boron element 7%, manganese element 1.4%, cobalt element
0.8%, the ferro element of vanadium 1.7%, carbon 3.3%, surplus.
5. the technique that a kind of amorphous alloy according to claim 2 and silicon steel composite powder prepare magnetic core, which is characterized in that
It further include the silicon steel preparation step before the powders mixing：Silicon steel powder is prepared into raw material according to element mass percent
Proportion weigh after put into vacuum calcining furnace and calcined, the temperature of calcining is 1250~1300 DEG C, calcination time 30
Minute, then fragment shape, which is made, was placed in natural cooling in air, then carried out annealing cold rolling, and annealing temperature is 550~650 DEG C, annealing
Cold de-rate is 5~10 DEG C/min, and silicon steel fragment is made.
6. the technique that a kind of amorphous alloy according to claim 5 and silicon steel composite powder prepare magnetic core, which is characterized in that
The silicon steel powder includes the element of following mass percent：The ferro element of element silicon 6.5%, surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801106.XA CN108922718A (en) | 2018-07-20 | 2018-07-20 | The technique that a kind of amorphous alloy and silicon steel composite powder prepare magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801106.XA CN108922718A (en) | 2018-07-20 | 2018-07-20 | The technique that a kind of amorphous alloy and silicon steel composite powder prepare magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108922718A true CN108922718A (en) | 2018-11-30 |
Family
ID=64414152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810801106.XA Pending CN108922718A (en) | 2018-07-20 | 2018-07-20 | The technique that a kind of amorphous alloy and silicon steel composite powder prepare magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108922718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115948706A (en) * | 2023-03-13 | 2023-04-11 | 松诺盟科技有限公司 | Amorphous alloy high-pressure common rail pipe forging process, common rail pipe and high-pressure common rail system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787127A (en) * | 2005-12-28 | 2006-06-14 | 安泰科技股份有限公司 | Composite powder for magnetic powder core and preparation process for magnetic powder core |
| CN102637518A (en) * | 2011-11-30 | 2012-08-15 | 同济大学 | Method for preparing iron-based composite magnetic powder core |
| CN105344993A (en) * | 2015-12-04 | 2016-02-24 | 广东工业大学 | Method for preparing iron-silicon-aluminum soft magnetic powder core through warm-pressing |
| CN107240471A (en) * | 2017-05-18 | 2017-10-10 | 安泰科技股份有限公司 | The composite magnetic powder of high saturated magnetic induction, magnetic core and preparation method thereof |
| CN107240472A (en) * | 2017-07-29 | 2017-10-10 | 芜湖君华材料有限公司 | A kind of Fe-based amorphous alloy material and its production method |
-
2018
- 2018-07-20 CN CN201810801106.XA patent/CN108922718A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787127A (en) * | 2005-12-28 | 2006-06-14 | 安泰科技股份有限公司 | Composite powder for magnetic powder core and preparation process for magnetic powder core |
| CN102637518A (en) * | 2011-11-30 | 2012-08-15 | 同济大学 | Method for preparing iron-based composite magnetic powder core |
| CN105344993A (en) * | 2015-12-04 | 2016-02-24 | 广东工业大学 | Method for preparing iron-silicon-aluminum soft magnetic powder core through warm-pressing |
| CN107240471A (en) * | 2017-05-18 | 2017-10-10 | 安泰科技股份有限公司 | The composite magnetic powder of high saturated magnetic induction, magnetic core and preparation method thereof |
| CN107240472A (en) * | 2017-07-29 | 2017-10-10 | 芜湖君华材料有限公司 | A kind of Fe-based amorphous alloy material and its production method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115948706A (en) * | 2023-03-13 | 2023-04-11 | 松诺盟科技有限公司 | Amorphous alloy high-pressure common rail pipe forging process, common rail pipe and high-pressure common rail system |
| CN115948706B (en) * | 2023-03-13 | 2023-05-12 | 松诺盟科技有限公司 | Amorphous alloy high-pressure common rail pipe forging process, common rail pipe and high-pressure common rail system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101805876B (en) | Non-crystaline amorphous metal strip with high-saturation magnetic induction strength | |
| EP3031057B1 (en) | Magnetocaloric materials containing b | |
| EP3031056B1 (en) | Magnetocaloric materials containing b | |
| CN102220538A (en) | Sintered neodymium-iron-boron preparation method capable of improving intrinsic coercivity and anticorrosive performance | |
| JP2014500611A (en) | High corrosion resistance sintered NdFeB magnet and method for preparing the same | |
| CN107275027B (en) | Using the cerium-rich rare earth permanent magnet and preparation method thereof of yttrium | |
| CN100431745C (en) | Method for manufacturing soft-magnetic alloy powder | |
| TWI751788B (en) | NdFeB MAGNET MATERIAL, RAW MATERIAL COMPOSITION, PREPARATION METHOD AND APPLICATION | |
| CN102268605B (en) | Method for preparing iron silicon soft magnetic alloy | |
| CN104851545A (en) | Production method of permanent magnet material with grain boundary diffusion layer | |
| CN104851544A (en) | Production method for low-energy-consumption neodymium-iron-boron magnetic material | |
| US2864734A (en) | Magnetic flake core and method of | |
| JPH0366105A (en) | Rare earth anisotropic powder and magnet, and manufacture thereof | |
| CN106098279A (en) | A kind of robot Nd-Fe-B permanent magnet material and preparation method thereof | |
| CN103502497B (en) | Magnetic refrigerating material | |
| CN108922718A (en) | The technique that a kind of amorphous alloy and silicon steel composite powder prepare magnetic core | |
| CN103824669B (en) | A kind of μ 90 iron tantnickel powder core material and preparation method thereof | |
| CN109243797A (en) | A kind of preparation method of the nanocrystalline rare-earth permanent magnetic material containing Ce | |
| CN107354402B (en) | A kind of method that iron-base amorphous alloy material melting prepares female ingot | |
| CN111020341A (en) | Production process of powder sintered alnico permanent magnetic alloy | |
| WO2019056643A1 (en) | Method for producing neodymium-iron-boron composite magnetic material | |
| CN108899153A (en) | A kind of Fe-based amorphous alloy composite material magnetic core | |
| CN104217832B (en) | Composite magnetic material for photovoltaic inverter and preparation method thereof | |
| CN103839643B (en) | A kind of μ 26 iron tantnickel powder core material and preparation method thereof | |
| CN108922717A (en) | A kind of Fe-based amorphous alloy composite magnetic powder preparation process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181130 |
|
| WD01 | Invention patent application deemed withdrawn after publication |