CN109295385A - A kind of low-loss nanometer crystal alloy soft magnetic materials and preparation method thereof - Google Patents
A kind of low-loss nanometer crystal alloy soft magnetic materials and preparation method thereof Download PDFInfo
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- CN109295385A CN109295385A CN201811012599.5A CN201811012599A CN109295385A CN 109295385 A CN109295385 A CN 109295385A CN 201811012599 A CN201811012599 A CN 201811012599A CN 109295385 A CN109295385 A CN 109295385A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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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
- H01F1/14—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
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2200/00—Crystalline structure
- C22C2200/04—Nanocrystalline
Abstract
The present invention provides a kind of low-loss nanometer crystal alloy soft magnetic materials and preparation method thereof, is designed by optimized alloy formula, passes through addition V, N and a small amount of rare earth element M on the basis of national standard trade mark 1K107 alloy composition.FeCuNbVSiBNM iron-base nanometer crystal alloy strip is prepared using single roller melt supercooled method after ingredient, steel-making prepare master alloy, secondary remelting, has the characteristics that high resistivity, low-loss, high Bs value, high magnetic permeability, flatness are good.
Description
Technical field:
The present invention relates to one kind to be used for wireless charging system iron-base nanometer crystal alloy soft magnetic materials and preparation method, more particularly to
A kind of low-loss nanometer crystal alloy soft magnetic materials and preparation method thereof.
Background technique:
Magnetic separator is for making wireless charging system every one of the important materials of magnetic and poly- magnetic assembly.Mainly play enhancing
Induced magnetic field and shielded coil magnetic field prevent the magnetic line of force from generating eddy-current loss fever by metal device, and prevent the magnetic line of force logical
The normal work of oversampling circuit interference circuit.The quality of its performance plays wireless charging system structure, the design of function, charge efficiency
Vital effect.Currently, the magnetic separator no matter used in transmitting terminal or receiving end in wireless charging system is all
It is based on ferrite.Requirement with wireless charging system to magnetic separator is higher and higher, due to the Bs value of Ferrite Material
It is low, magnetic conductivity is low and it is thin to be difficult to do, with the development of the high-power fast charge of wireless charging, be difficult to meet the requirements.And it is iron-based
The advantages such as nanometer crystal alloy material has high Bs, magnetic hystersis loss is low, magnetic conductivity is adjustable, sheet thickness is thin, can be such that mobile phone etc. consumes
Electronics is made very thin, is used in the mobile phone wireless charging optimal magnetic separator in receiving end.But traditional iron based nano crystal closes
Gold such as national standard trade mark 1K107, alloy composition Fe73.5Cu1Nb3Si13.5B9The low about 90u Ω/cm of resistivity, is used as wireless charging
Eddy-current loss is big when magnetic separator, to seriously affect wireless charging efficiency.
Therefore how a kind of low-loss soft magnetism iron-base nanometer crystal alloy material for wireless charging system to be provided or cry
Thin-band material and preparation method thereof makes the soft magnetism iron-base nanometer crystal alloy material of preparation have high resistivity, low-loss, high Bs
The features such as value, high magnetic permeability, flatness are good becomes the ideal substitute of wireless charging system tradition magnetic separator.
Summary of the invention:
The present invention be directed to the above-mentioned problems of the prior art, a kind of low-loss nanometer crystal alloy soft magnetic materials and its system are provided
Preparation Method is designed by optimized alloy formula, by addition V, N and on a small quantity on the basis of national standard trade mark 1K107 alloy composition
Rare earth element M.It is prepared after ingredient, steel-making prepare master alloy, secondary remelting using single roller melt supercooled method
FeCuNbVSiBNM iron-base nanometer crystal alloy strip is good etc. with high resistivity, low-loss, high Bs value, high magnetic permeability, flatness
Feature.
An object of the present invention is to provide a kind of low-loss nanometer crystal alloy soft magnetic materials, by ferrous alloy preparation
At the ferrous alloy component proportion is Fe, Cu, Nb, V, Si, B, N, M；Each atomic mass hundred in control element proportion
Divide as follows:
Si:12-13.5%, B:7-9%,
Nb:1-3%, Cu:1-2%,
V:1-2%, N:0.01-3%,
M:0-3%, Fe: surplus；
The M be Tb or La any one.
Preferably, it is Nb, B, V, N simple substance element, ferro-niobium, ferro-boron, vanadium iron, ferrovanadium nitride or other nitrogen is respectively adopted
The intermediate alloy material of iron compound.
Another object of the present invention discloses a kind of method for preparing low-loss nanometer crystal alloy soft magnetic materials, with iron-based
Alloy is raw material, and being includes following methods:
It first determines ferrous alloy proportion, on the basis of national standard trade mark 1K107 alloy composition, adds V, N and/or addition is a small amount of dilute
Earth elements M；Raw material weighing and burden will be selected, be fed in order into smelting apparatus, and carried out steel-making and prepare master alloy steel ingot,
Then after secondary remelting, the i.e. low-loss of FeCuNbVSiBNM iron-base nanometer crystal alloy strip is prepared using single roller melt supercooled method
Nanometer crystal alloy soft magnetic materials product.
The method of the preparation low-loss nanometer crystal alloy soft magnetic materials, preferably includes following methods step:
(1) determine ferrous alloy proportion, the component proportion for controlling the ferrous alloy is Fe, Cu, Nb, V, Si, B,
N,M；Control proportion atomic percentage is as follows:
Si:12-13.5%, B:7-9%,
Nb:1-3%, Cu:1-2%,
V:1-2%, N:0.01-3%,
M:0-3%, Fe: surplus；
The M be Tb or La any one；
(2) according to (1) step determine ferrous alloy match, the weighing and burden after being converted into mass ratio, the raw material prepared according to
Technique is added in smelting apparatus, adds ferro-boron and cathode copper until completely melted, and silicon and M are eventually adding, and pours into cooling casting disk,
Form female ferrous alloy steel ingot；
(3) secondary remelting, female ferrous alloy steel ingot that (2) step has been smelted are put into medium frequency induction melting furnace, and remelting is molten steel,
Molten steel is placed in preheating insulation device；
(4) low-loss nanometer crystal alloy soft magnetic materials processed, after the molten steel temperature in step (3) preheating insulation device is stablized, steel
Liquid flow to high-speed rotating copper roller from the nozzle of preheating insulation bottom of device under the constant pressure effect of protective gas, super chilling,
Copper roller linear velocity is controlled, in 25-35m/s, band is sprayed between copper roller by control nozzle at a distance from gap；It is prepared
Iron-based nano-crystalline thin ribbon is made as low-loss nanometer crystal alloy soft magnetic materials.
Preferably, be described in (1) step proportion in Nb, B, V, N simple substance element ferro-niobium, ferro-boron, vanadium iron, nitridation is respectively adopted
Vanadium iron or other nitrogen iron compound intermediate alloys；Control charging sequence be first by ferrovanadium nitride or other nitrogen iron compounds, vanadium iron,
Pure iron and ferro-niobium sequentially add in smelting apparatus, until completely melted, add ferro-boron and cathode copper, finally sequentially add silicon
And M.
Preferably, be smelting apparatus described in (2) step be antivacuum induction melting furnace, control melting temperature be 1500 DEG C-
It 1600 DEG C, is uniformly smelted, control smelting time is 100-120min.
The method of the preparation low-loss nanometer crystal alloy soft magnetic materials, remelting described in (3) step are control remelting temperatures
It is 1000 DEG C -1480 DEG C, remelting time 60-100min.
The method of the preparation low-loss nanometer crystal alloy soft magnetic materials, preferably preheating insulation device described in (3) step are
Intermediate pressure nozzle packet, control preheating insulation temperature are 1200 DEG C -1350 DEG C.
It preferably, is protective gas argon gas or nitrogen described in (4) step, controlling super chilling speed is 106℃/ S；Control spray
Mouth is 0.5-0.6mm at a distance from gap between copper roller.
The method of the preparation low-loss nanometer crystal alloy soft magnetic materials, the iron-based nanometer that (4) step is prepared
Brilliant strip width is 60-75mm, with a thickness of 18-20um.
The present invention uses above method step, completes the preparation process mistake of low-loss Fe-based nanocrystalline magnetically soft alloy strip
Journey.Since Nb and V is close element of the same clan, crystal structure having the same, atomic radius is close, therefore it is total that V and Nb can be used
With as hindering in nanometer crystal alloy heat treatment process crystal grain to grow up element, while reducing cost.The addition of N element is formed
Fe16N2Secondary phase can be improved Bs value, initial permeability and the resistivity of nanometer crystal alloy, be lost also just lower.And have
More preferably destressing effect.Therefore it can get with good iron-based of high resistivity, low-loss, high Bs value, high magnetic permeability, flatness
Nano-crystal soft magnetic alloy strip.
Detailed description of the invention:
Fig. 1 is the static hysteresis loop figure of low-loss nanometer crystal alloy soft magnetic materials product prepared by the embodiment of the present invention 1；
Fig. 2 is the static hysteresis loop figure of low-loss nanometer crystal alloy soft magnetic materials product prepared by the embodiment of the present invention 2；
Specific embodiment:
The present invention is further illustrated With reference to embodiment, in order to make technical problem solved by the invention,
Technical solution and beneficial effect are more clearly understood, and below in conjunction with drawings and examples, carry out further specifically to the present invention
It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Technical solution used by low-loss nanometer crystal alloy soft magnetic materials of the present invention comprises the following methods: first determining
Ferrous alloy proportion design adds V, N and/or a small amount of rare earth element of addition on the basis of national standard trade mark 1K107 alloy composition
M；It selected raw material weighing and burden, fed in non-vacuum induction furnace in order, carried out steel-making and prepare master alloy, it is then secondary
After remelting, the i.e. nanocrystalline conjunction of low-loss of FeCuNbVSiBNM iron-base nanometer crystal alloy strip is prepared using single roller melt supercooled method
Golden soft magnetic materials product.
Specific method step are as follows:
(1) a kind of low-loss nanometer crystal alloy soft magnetic materials, is made of ferrous alloy, the main component of the ferrous alloy
For Fe, Cu, Nb, V, Si, B, N, M (Tb, La ...)；It is as follows to match atomic percentage:
Si:12-13.5%, B:7-9%,
Nb:1-3%, Cu:1-2%,
V:1-2%, N:0.01-3%,
M:0-3%, Fe: surplus；
The above are atomic percent, mass percent then uses atomic percent multiplied by its relative atomic weight；
(2) according to it is given herein above formula or be proportion, the weighing and burden after being converted into mass ratio, the raw material prepared are according to design
Technique be added smelting apparatus be non-vacuum induction furnace in carry out melting, the simple substance element such as Nb, B, V, N in formula is respectively adopted
The intermediate alloys such as ferro-niobium, ferro-boron, vanadium iron, ferrovanadium nitride or other nitrogen iron compounds；Charging sequence be first by ferrovanadium nitride or its
He puts into smelting furnace nitrogen iron compound, vanadium iron, pure iron and ferro-niobium, adds ferro-boron and cathode copper, silicon and M until completely melted
It is eventually adding.1500 DEG C -1600 DEG C of temperature of melting are set, after uniformly smelting 100-120min, cooling casting disk is poured into, is formed female
Alloy steel ingot makes female ferrous alloy steel ingot equivalent in meaning；
(3) the master alloy steel ingot that step (2) has been smelted is put into medium frequency induction melting furnace, remelting, 1000 DEG C -1480 DEG C of temperature,
After melting 60-100min, molten steel is poured into 1200 DEG C -1350 DEG C of preheating insulation of intermediate pressure nozzle packet；
(4) after molten steel temperature in the intermediate pressure nozzle packet of step (3) is stablized, molten steel is in protectiveness argon gas and constant pressure
Power effect flow to high-speed rotating copper roller from the nozzle of bottom, controls with 106DEG C/S speed carries out super chilling, copper roller linear velocity
Control 25-35m/s, by control nozzle between copper roller at a distance from gap between 0.5-0.6mm, spray band.?
Obtain width: 60-75mm, with a thickness of the iron-based nano-crystalline thin ribbon of 18-20um, as low-loss nanometer crystal alloy soft magnetic materials is produced
Product.
Embodiment 1:
Illustrating in following embodiments is identical as above description in place of not specifying,
By Fe72Cu1Nb1V2Si13.5B9N0.5La1Ratio prepare the total 20Kg of raw material, Nb, B, V, N be respectively adopted ferro-niobium, ferro-boron,
Ferrovanadium nitride intermediate alloy, charging sequence is first to put ferrovanadium nitride, pure iron and ferro-niobium in non-vacuum induction furnace melting into, to complete
Ferro-boron and cathode copper are added after running down, silicon and La are eventually adding.1520 DEG C of temperature or so of melting, uniformly smelt 100min
Afterwards, cooling casting disk is poured into, master alloy steel ingot is formed；
The master alloy steel ingot smelted is put into medium frequency induction melting furnace and carries out secondary remelting, i.e. secondary uniform melting, temperature
1300 DEG C or so, after melting 80min, molten steel is poured into 1250 DEG C of preheating insulation of intermediate pressure nozzle packet；To intermediate pressure
After molten steel temperature is stablized in nozzle packet, molten steel flow to high speed rotation from the nozzle of bottom under the constant pressure effect of argon gas
Copper roller, with 30m/s linear velocity, by control nozzle between copper roller at a distance from gap for 0.5mm spray band, as invent
Low-loss nanometer crystal alloy soft magnetic materials；
Institute's spray band, width 60mm, with a thickness of 18-20um, have high resistivity, low-loss, high Bs value, high magnetic permeability,
Flatness is good；Static hysteresis loop after annealed heat treatment is as shown in Figure 1, Bs=1.392T, Hc=1.907A/m.Through detecting strip
Resistivity is 209.16u Ω/cm, much higher than 90u Ω/cm of national standard trade mark 1K107 material；P:51W/Kg (100KHz@is lost
200mT)；100KHz magnetic conductivity: 15000~16000；Strip both sides warpage≤2mm.
Embodiment 2:
It is same as Example 1 that place is not specified in following embodiment；
By Fe73Cu1Nb2V1Si13.5B9N0.5Ratio prepares the total 20Kg of raw material, and ferro-niobium, ferro-boron, nitridation is respectively adopted in Nb, B, V, N
Vanadium iron intermediate alloy, charging sequence is first to put nitrided iron, pure iron, vanadium iron and ferro-niobium in non-vacuum induction furnace melting into, to complete
Ferro-boron and cathode copper are added after running down, silicon is eventually adding.1500 DEG C of temperature or so of melting, after uniformly smelting 100min,
Cooling casting disk is poured into, master alloy steel ingot is formed；
The master alloy steel ingot smelted is put into medium frequency induction melting furnace, secondary uniform melting, 1300 DEG C of temperature or so, melting
After 80min, molten steel is poured into 1250 DEG C of preheating insulation of intermediate pressure nozzle packet.To molten steel body temperature in intermediate pressure nozzle packet
After degree is stablized, molten steel flow to high-speed rotating copper roller from the nozzle of bottom in nitrogen gas and constant pressure effect, with 30m/s linear speed
Degree is that the low-loss nanometer crystal alloy that 0.5mm ejection band is invention is soft at a distance from gap between copper roller by control nozzle
Magnetic material；
Institute's spray band, width 60mm, with a thickness of 18-20um, have high resistivity, low-loss, high Bs value, high magnetic permeability,
Flatness is good；Static hysteresis loop after annealed heat treatment is as shown in Fig. 2, Bs=1.283T, Hc=1.78A/m.Through detecting strip
Resistivity is 210.28u Ω/cm, much higher than 90u Ω/cm of national standard trade mark 1K107 material；P:48.5W/Kg (100KHz@is lost
200mT)；100KHz magnetic conductivity: 15000~16000；Strip both sides warpage≤2mm.
Embodiment 3:
By Fe72.5Cu1Nb1V2Si13.5B9N1Ratio prepares the total 20Kg of raw material, and ferro-niobium, ferro-boron, nitridation is respectively adopted in Nb, B, V, N
Vanadium iron intermediate alloy, charging sequence is first to put nitrided iron, pure iron, vanadium iron and ferro-niobium in non-vacuum induction furnace melting into, to complete
Ferro-boron and cathode copper are added after running down, silicon is eventually adding.1520 DEG C of temperature or so of melting, after uniformly smelting 120min,
Cooling casting disk is poured into, master alloy steel ingot is formed；
The master alloy steel ingot smelted is put into medium frequency induction melting furnace, secondary uniform melting, 1300 DEG C of temperature or so, melting
After 60min, molten steel is poured into 1250 DEG C of preheating insulation of intermediate pressure nozzle packet.To molten steel body temperature in intermediate pressure nozzle packet
After degree is stablized, molten steel flow to high-speed rotating copper roller from the nozzle of bottom in nitrogen gas and constant pressure effect, with 32m/s linear speed
Degree sprays band at a distance from gap between copper roller by control nozzle for 0.55mm；
Institute's spray band, width 65mm, with a thickness of 18-20um, have high resistivity, low-loss, high Bs value, high magnetic permeability,
Flatness is good；Static hysteresis loop after annealed heat treatment is as shown in Fig. 2, Bs=1.32T, Hc=2.68A/m.Through detection strip electricity
Resistance rate is 212.5u Ω/cm, much higher than 90u Ω/cm of national standard trade mark 1K107 material；P:46.8W/Kg (100KHz@is lost
200mT)；100KHz magnetic conductivity: 15000~16000；Strip both sides warpage≤2mm.
Claims (10)
1. a kind of low-loss nanometer crystal alloy soft magnetic materials, is prepared by ferrous alloy, it is characterized in that the ferrous alloy group
It is Fe, Cu, Nb, V, Si, B, N, M at element proportion；Each atomic mass percentage is as follows in control element proportion:
Si:12-13.5%, B:7-9%,
Nb:1-3%, Cu:1-2%,
V:1-2%, N:0.01-3%,
M:0-3%, Fe: surplus；
The M be Tb or La any one.
2. a kind of low-loss nanometer crystal alloy soft magnetic materials according to claim 1, it is characterized in that described Nb, B, V, N are mono-
The intermediate alloy material of ferro-niobium, ferro-boron, vanadium iron, ferrovanadium nitride or other nitrogen iron compounds is respectively adopted in prime element.
3. a kind of method for preparing low-loss nanometer crystal alloy soft magnetic materials, using ferrous alloy as raw material, it is characterized in that include with
Lower method:
It first determines ferrous alloy proportion, on the basis of national standard trade mark 1K107 alloy composition, adds V, N and/or addition is a small amount of dilute
Earth elements M；Raw material weighing and burden will be selected, be fed in order into smelting apparatus, and carried out steel-making and prepare master alloy steel ingot,
Then after secondary remelting, the i.e. low-loss of FeCuNbVSiBNM iron-base nanometer crystal alloy strip is prepared using single roller melt supercooled method
Nanometer crystal alloy soft magnetic materials product.
4. the method for preparing low-loss nanometer crystal alloy soft magnetic materials according to claim 3, it is characterized in that including with lower section
Method step:
(1) determine ferrous alloy proportion, the component proportion for controlling the ferrous alloy is Fe, Cu, Nb, V, Si, B,
N,M；Control proportion atomic percentage is as follows:
Si:12-13.5%, B:7-9%,
Nb:1-3%, Cu:1-2%,
V:1-2%, N:0.01-3%,
M:0-3%, Fe: surplus；
The M be Tb or La any one；
(2) according to (1) step determine ferrous alloy match, the weighing and burden after being converted into mass ratio, the raw material prepared according to
Technique is added in smelting apparatus, adds ferro-boron and cathode copper until completely melted, and silicon and M are eventually adding, and pours into cooling casting disk,
Form female ferrous alloy steel ingot；
(3) secondary remelting, female ferrous alloy steel ingot that (2) step has been smelted are put into medium frequency induction melting furnace, and remelting is molten steel,
Molten steel is placed in preheating insulation device；
(4) low-loss nanometer crystal alloy soft magnetic materials processed, after the molten steel temperature in step (3) preheating insulation device is stablized, steel
Liquid flow to high-speed rotating copper roller from the nozzle of preheating insulation bottom of device under the constant pressure effect of protective gas, super chilling,
Copper roller linear velocity is controlled, in 25-35m/s, band is sprayed between copper roller by control nozzle at a distance from gap；It is prepared
Iron-based nano-crystalline thin ribbon is made as low-loss nanometer crystal alloy soft magnetic materials.
5. the method for preparing low-loss nanometer crystal alloy soft magnetic materials according to claim 3, it is characterized in that matching described in (1) step
Nb, B, V, N simple substance element than in is respectively adopted among ferro-niobium, ferro-boron, vanadium iron, ferrovanadium nitride or other nitrogen iron compounds and closes
Gold；Control charging sequence is that ferrovanadium nitride or other nitrogen iron compound, vanadium iron, pure iron and ferro-niobiums are first sequentially added smelting apparatus
In, until completely melted, ferro-boron and cathode copper are added, silicon and M are finally sequentially added.
6. the method for preparing low-loss nanometer crystal alloy soft magnetic materials according to claim 3, it is characterized in that being melted described in (2) step
Refining device is antivacuum induction melting furnace, and the temperature for controlling melting is 1500 DEG C -1600 DEG C, is uniformly smelted, controls melting
Time is 100-120min.
7. the method for preparing low-loss nanometer crystal alloy soft magnetic materials according to claim 3, it is characterized in that weight described in (3) step
Molten be control remelting temperature is 1000 DEG C -1480 DEG C, remelting time 60-100min.
8. the method for preparing low-loss nanometer crystal alloy soft magnetic materials according to claim 3, it is characterized in that pre- described in (3) step
Hot attemperator is intermediate pressure nozzle packet, and control preheating insulation temperature is 1200 DEG C -1350 DEG C.
9. the method for preparing low-loss nanometer crystal alloy soft magnetic materials according to claim 3, it is characterized in that being protected described in (4) step
Gases argon or nitrogen are protected, controlling super chilling speed is 106℃/ S；Controlling nozzle is 0.5- at a distance from gap between copper roller
0.6mm。
10. the method for preparing low-loss nanometer crystal alloy soft magnetic materials according to claim 3, it is characterized in that (4) step controls
The iron-based nano-crystalline thin ribbon width being prepared is 60-75mm, with a thickness of 18-20um.
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| PCT/CN2019/072765 WO2020042534A1 (en) | 2018-08-31 | 2019-01-23 | Low-loss nanocrystalline alloy soft magnetic material and preparation method therefor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042534A1 (en) * | 2018-08-31 | 2020-03-05 | 江西大有科技有限公司 | Low-loss nanocrystalline alloy soft magnetic material and preparation method therefor |
| CN111554465A (en) * | 2020-05-12 | 2020-08-18 | 全球能源互联网研究院有限公司 | Nanocrystalline magnetically soft alloy and preparation method and application thereof |
| CN113025906A (en) * | 2021-03-05 | 2021-06-25 | 江西大有科技有限公司 | Iron-based nanocrystalline alloy material and manufacturing method thereof |
| CN115961203A (en) * | 2022-12-31 | 2023-04-14 | 创明(韶关)绿色能源材料技术研究院有限公司 | Ultra-low aluminum nanocrystalline master alloy and preparation method thereof |
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| CN105861958A (en) * | 2016-05-26 | 2016-08-17 | 江苏奥玛德新材料科技有限公司 | Low-cost high-conductivity magnet based amorphous nanocrystalline magnetically soft alloy and preparation method thereof |
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| CN105671461B (en) * | 2016-04-05 | 2018-05-15 | 广州齐达材料科技有限公司 | A kind of non-crystalline material and its preparation method and application |
| CN109295385A (en) * | 2018-08-31 | 2019-02-01 | 江西大有科技有限公司 | A kind of low-loss nanometer crystal alloy soft magnetic materials and preparation method thereof |
| CN109108238B (en) * | 2018-09-21 | 2020-03-31 | 宜春学院 | Preparation method of high-resistivity iron-based nanocrystalline alloy thin strip |
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| CN101792890A (en) * | 2009-12-09 | 2010-08-04 | 青岛云路新能源科技有限公司 | Iron-based nanocrystalline strip with super-high saturated magnetic flux density |
| CN106922111A (en) * | 2015-12-24 | 2017-07-04 | 上海光线新材料科技有限公司 | A kind of nanometer crystal alloy, the wireless charging preparation method and electromagnetic shielding piece for being electromagnetically shielded piece |
| CN105861958A (en) * | 2016-05-26 | 2016-08-17 | 江苏奥玛德新材料科技有限公司 | Low-cost high-conductivity magnet based amorphous nanocrystalline magnetically soft alloy and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020042534A1 (en) * | 2018-08-31 | 2020-03-05 | 江西大有科技有限公司 | Low-loss nanocrystalline alloy soft magnetic material and preparation method therefor |
| CN111554465A (en) * | 2020-05-12 | 2020-08-18 | 全球能源互联网研究院有限公司 | Nanocrystalline magnetically soft alloy and preparation method and application thereof |
| CN111554465B (en) * | 2020-05-12 | 2021-07-13 | 全球能源互联网研究院有限公司 | Nanocrystalline magnetically soft alloy and preparation method and application thereof |
| CN113025906A (en) * | 2021-03-05 | 2021-06-25 | 江西大有科技有限公司 | Iron-based nanocrystalline alloy material and manufacturing method thereof |
| CN115961203A (en) * | 2022-12-31 | 2023-04-14 | 创明(韶关)绿色能源材料技术研究院有限公司 | Ultra-low aluminum nanocrystalline master alloy and preparation method thereof |
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