CN104200945A - Nanocrystalline magnetically soft alloy with constant magnetic conductivity, high saturation flux density and change rate of magnetic conductivity within one percent and manufacturing method thereof - Google Patents
Nanocrystalline magnetically soft alloy with constant magnetic conductivity, high saturation flux density and change rate of magnetic conductivity within one percent and manufacturing method thereof Download PDFInfo
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Abstract
The invention relates to nanocrystalline magnetically soft alloy with constant magnetic conductivity, high saturation flux density and the change rate of magnetic conductivity within one percent. According to the components and the number of atoms of the nanocrystalline magnetically soft alloy, the nanocrystalline magnetically soft alloy comprises 67 to 80 parts of iron, 10 to 14 parts of silicon, seven to 11 parts of boron, two to four parts of niobium, 0.5 to 1.5 parts of copper and 0.5 to two parts of nickel. The magnetic conductivity of the alloy is constantly 20,000, the change rate of the magnetic conductivity is within one percent, the saturation flux density is 1.3 T, and due to the fact that the magnetic conductivity is constant, the application range of nanocrystalline soft magnetic materials is greatly expanded, and great convenience is brought for use by people. The nanocrystalline magnetically soft alloy can be applied to precision current transformers, the angular difference problem caused by the poor magnetic conductivity linearity is solved well, and meanwhile the good direct current resisting effect is achieved.
Description
Technical field
The invention belongs to technical field of function materials, relate to magnetic material, especially a kind of permanent magnetic permeability, high saturated magnetic induction, magnetic permeability rate of change nano-crystal soft magnetic alloy in 1% and preparation method thereof.
Background technology
Nano crystal soft magnetic material is applied widely because it has high saturation induction density, high magnetic permeability and low loss.But some concrete application scenario has some particular/special requirements, need constant magnetic permeability and high saturation induction density, there is not in the market the nano crystal soft magnetic material of constant magnetic permeability and high saturation induction density, this has limited the application of nano crystal soft magnetic material widely, has brought great inconvenience to people's use.
By retrieval, not yet find the patent publication us relevant to patent application of the present invention.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, solve nano crystal soft magnetic material some particular/special requirements in some application, providing a kind of magnetic permeability constant is 20000, magnetic permeability rate of change in 1%, nano-crystal soft magnetic alloy band that saturation induction density is 1.3T and preparation method thereof.
To achieve these goals, technical scheme of the present invention is as follows:
Permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, its composition and atom number are as follows:
A preparation method for permanent magnetic permeability as above, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, step is as follows:
(1) by formula accurate feed proportioning, the material preparing is put into and in vaccum sensitive stove, carried out vacuum melting and obtain alloy molten solution, smelting temperature 1300-1500 DEG C, smelting time 2-4 hour, vacuum degree 0.2-1Pa; Alloy molten solution is evenly poured in the rotated mold filing dish that is provided with cooling device and formed alloy cast ingot, and this cooling device will ensure that the pressure of cooling circulating water is at 0.1-0.2MPa;
By step (1) in alloy cast ingot put in the Medium frequency induction crucible of spray on carrying device and carry out secondary smelting, smelting temperature 1100-1300 DEG C, smelting time 40-60 minute, obtains secondary smelting alloy molten solution; Secondary smelting alloy molten solution is poured in the tundish through preheating, and liquation is sprayed onto on the copper roller of High Rotation Speed by the nozzle of tundish bottom, by the distance ejection nano-crystal soft magnetic alloy band between Control Nozzle and copper roller;
(3) above-mentioned nano-crystal soft magnetic alloy band being made to iron core heat-treats by following technique: at 450-490 DEG C of insulation 3-5 hour, under the high-intensity magnetic field of 4000-5000Gs, 550-580 DEG C of insulation 3-5 hour, obtains permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%.
And the described step (2) preheat temperature of middle preheating is 1200-1300 DEG C.
And the described step (2) thickness of middle nano-crystal soft magnetic alloy band is 18-22um.
Advantage of the present invention and good effect are:
1, the magnetic permeability of alloy of the present invention is constant is 20000, magnetic permeability rate of change is in 1%, saturation induction density is 1.3T, because magnetic permeability is constant, expand widely the range of application of nano crystal soft magnetic material, bring great convenience to people's use, can be applied in and on precision current transformer, solve well the angular difference problem causing because the magnetic permeability linearity is bad, simultaneously the good anti-direct current effect of tool also.
2, alloy of the present invention, because magnetic permeability is constant and saturation induction density is very high, can obtain higher saturation voltage so be used on inverter type welder, has reduced the volume and weight of welding machine, and simultaneously stable working state, noise are little.
3, alloy of the present invention can be applied on common mode inductance, can make it in the frequency range of non-constant width, common mode noise be played to good inhibitory action.
Embodiment
Below in conjunction with embodiment, the present invention is further described; Following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
The method using in the present invention, if no special instructions, is the conventional method of this area; The reagent using in the present invention, if no special instructions, is the conventional reagent of this area.
Embodiment 1
Permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, its composition and atom number are as follows:
The preparation method of permanent magnetic permeability as above, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, step is as follows:
(1) by formula accurate feed proportioning, the material preparing is put into and in vaccum sensitive stove, carried out vacuum melting and obtain alloy molten solution, 1300 DEG C of smelting temperatures, smelting time 2 hours, vacuum degree 0.2Pa; Alloy molten solution is evenly poured in the rotated mold filing dish that is provided with cooling device and formed alloy cast ingot, and this cooling device will ensure that the pressure of cooling circulating water is at 0.1MPa;
By step (1) in alloy cast ingot put in the Medium frequency induction crucible of spray on carrying device and carry out secondary smelting, 1100 DEG C of smelting temperatures, smelting time 40 minutes, obtains secondary smelting alloy molten solution; Secondary smelting alloy molten solution is poured in the tundish through preheating, preheat temperature is 1200 DEG C, obtain liquation, liquation is sprayed onto on the copper roller of High Rotation Speed by the nozzle of tundish bottom, by the distance ejection nano-crystal soft magnetic alloy band between Control Nozzle and copper roller;
(3) above-mentioned nano-crystal soft magnetic alloy band being made to iron core heat-treats by following technique: at 450-490 DEG C of insulation 3-5 hour, under the high-intensity magnetic field of 4000-5000Gs, 550-580 DEG C of insulation 3-5 hour, obtains permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%.
Embodiment 2
Permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, its composition and atom number are as follows:
The preparation method of permanent magnetic permeability as above, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, step is as follows:
(1) by formula accurate feed proportioning, the material preparing is put into and in vaccum sensitive stove, carried out vacuum melting and obtain alloy molten solution, 1400 DEG C of smelting temperatures, smelting time 3 hours, vacuum degree 0.6Pa; Alloy molten solution is evenly poured in the rotated mold filing dish that is provided with cooling device and formed alloy cast ingot, and this cooling device will ensure that the pressure of cooling circulating water is at 0.15MPa;
By step (1) in alloy cast ingot put in the Medium frequency induction crucible of spray on carrying device and carry out secondary smelting, 1200 DEG C of smelting temperatures, smelting time 50 minutes, obtains secondary smelting alloy molten solution; Secondary smelting alloy molten solution is poured in the tundish through preheating, preheat temperature is 1250 DEG C, obtain liquation, liquation is sprayed onto on the copper roller of High Rotation Speed by the nozzle of tundish bottom, the nano-crystal soft magnetic alloy band that is 18-22um by the distance ejection thickness between Control Nozzle and copper roller;
(3) above-mentioned nano-crystal soft magnetic alloy band is made by following technique and heat-treated: at 450-490 DEG C of insulation 3-5 hour, under the high-intensity magnetic field of 4000-5000Gs, 550-580 DEG C of insulation 3-5 hour, obtains permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%.
Embodiment 3
Permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, its composition and atom number are as follows:
The preparation method of permanent magnetic permeability as above, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, step is as follows:
(1) by formula accurate feed proportioning, the material preparing is put into and in vaccum sensitive stove, carried out vacuum melting and obtain alloy molten solution, 1500 DEG C of smelting temperatures, smelting time 4 hours, vacuum degree 1Pa; Alloy molten solution is evenly poured in the rotated mold filing dish that is provided with cooling device and formed alloy cast ingot, and this cooling device will ensure that the pressure of cooling circulating water is at 0.2MPa;
By step (1) in alloy cast ingot put in the Medium frequency induction crucible of spray on carrying device and carry out secondary smelting, 1300 DEG C of smelting temperatures, smelting time 60 minutes, obtains secondary smelting alloy molten solution; Secondary smelting alloy molten solution is poured in the tundish through preheating, preheat temperature is 1300 DEG C, obtain liquation, liquation is sprayed onto on the copper roller of High Rotation Speed by the nozzle of tundish bottom, the nano-crystal soft magnetic alloy band that is 20um by the distance ejection thickness between Control Nozzle and copper roller;
(3) above-mentioned nano-crystal soft magnetic alloy band being made to iron core heat-treats by following technique: at 450-490 DEG C of insulation 3-5 hour, under the high-intensity magnetic field of 4000-5000Gs, 550-580 DEG C of insulation 3-5 hour, obtains permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%.
Embodiment 4
Permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, its composition and atom umber are as follows:
Fe(67-80)；Si(10-14)；B(7-11)；Nb(2-4)；Cu(0.5-1.5)；Ni(0.5-2)。
Preparation method, the step of above-mentioned permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1% are as follows:
By formula accurate feed proportioning, the material preparing is put into and in vaccum sensitive stove, carried out vacuum melting and obtain alloy molten solution, smelting temperature 1300-1500 degree, smelting time 2-4 hour, vacuum degree 1-0.2Pa.Alloy molten solution is evenly poured in the rotated mold filing dish of cooling device (will ensure that the pressure of cooling circulating water is at 0.1-0.2MPa) and formed alloy cast ingot.
Alloy cast ingot is put in the Medium frequency induction crucible on spray carrying device and carried out secondary smelting, smelting temperature 1100-1300 degree, smelting time 40-60 minute.The alloy molten solution that secondary smelting is obtained is poured (preheat temperature 1200-1300 degree) in the tundish through preheating into, liquation is sprayed onto on the copper roller of High Rotation Speed by the nozzle of tundish bottom, by the nano-crystal soft magnetic alloy band of the distance ejection thickness 18-22um between Control Nozzle and copper roller;
Above-mentioned nano-crystal soft magnetic alloy band is made to iron core heat-treats by following technique: at 450-490 DEG C of insulation 3-5 hour, under the high-intensity magnetic field of 4000-5000Gs, 550-580 DEG C of insulation 3-5 hour, obtains permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%.
The coherent detection result of the permanent magnetic permeability of the present invention, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%:
Nano-crystal soft magnetic alloy band is above made to all size annular core or rectangle iron core by user's requirement.These iron cores are heat-treated by following technique: at 450-490 DEG C of insulation 3-5 hour, 550-580 DEG C of insulation 3-5 hour under the high-intensity magnetic field of 4000-5000Gs.
Obtain following result by measuring the dynamic hysteresis loop of iron core after heat treatment above: saturation induction density is all between 1.3-1.35T; Magnetic permeability is all between 18000-22000, and permanent magnetic permeability is 20000, and the rate of change of magnetic permeability is controlled in 1%.
These results suggest that this magnetic permeability of the present invention is 20000, magnetic permeability rate of change is in 1%, the magnetic property that saturation induction density reaches the nano-crystal soft magnetic alloy of 1.3T depends primarily on alloying component and Technology for Heating Processing, and irrelevant with the concrete dimensions of annular or rectangle iron core.
Claims (4)
1. permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, is characterized in that: its composition and atom number are as follows:
2. a preparation method for permanent magnetic permeability as claimed in claim 1, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, is characterized in that: step is as follows:
(1) by formula accurate feed proportioning, the material preparing is put into and in vaccum sensitive stove, carried out vacuum melting and obtain alloy molten solution, smelting temperature 1300-1500 DEG C, smelting time 2-4 hour, vacuum degree 0.2-1Pa; Alloy molten solution is evenly poured in the rotated mold filing dish that is provided with cooling device and formed alloy cast ingot, and this cooling device will ensure that the pressure of cooling circulating water is at 0.1-0.2MPa;
By step (1) in alloy cast ingot put in the Medium frequency induction crucible of spray on carrying device and carry out secondary smelting, smelting temperature 1100-1300 DEG C, smelting time 40-60 minute, obtains secondary smelting alloy molten solution; Secondary smelting alloy molten solution is poured in the tundish through preheating, and liquation is sprayed onto on the copper roller of High Rotation Speed by the nozzle of tundish bottom, by the distance ejection nano-crystal soft magnetic alloy band between Control Nozzle and copper roller;
(3) above-mentioned nano-crystal soft magnetic alloy band being made to iron core heat-treats by following technique: at 450-490 DEG C of insulation 3-5 hour, under the high-intensity magnetic field of 4000-5000Gs, 550-580 DEG C of insulation 3-5 hour, obtains permanent magnetic permeability, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%.
3. the preparation method of permanent magnetic permeability according to claim 2, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, is characterized in that: the described step (2) preheat temperature of middle preheating is 1200-1300 DEG C.
4. the preparation method of permanent magnetic permeability according to claim 2, high saturated magnetic induction, the nano-crystal soft magnetic alloy of magnetic permeability rate of change in 1%, is characterized in that: the described step (2) thickness of middle nano-crystal soft magnetic alloy band is 18-22um.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745914A (en) * | 2015-04-15 | 2015-07-01 | 南通华禄新材料科技有限公司 | Preparation method of nanogold strip |
| CN107464649A (en) * | 2017-08-03 | 2017-12-12 | 江苏奥玛德新材料科技有限公司 | A kind of magnetic core with linear hysteresis curve |
| CN109599239A (en) * | 2018-12-11 | 2019-04-09 | 郑州大学 | It is a kind of perseverance magnetic conductivity iron base amorphous magnetically-soft alloy and application |
| CN110205540A (en) * | 2019-04-29 | 2019-09-06 | 天津三环奥纳科技有限公司 | A kind of processing method of the nano-crystal soft magnetic alloy of resistance to stress, alloy preparation method and iron core |
| CN110911078A (en) * | 2018-09-14 | 2020-03-24 | 江西中磁科技协同创新有限公司 | Broadband constant-magnetic-conductivity iron-based nanocrystalline alloy magnetic core and preparation method thereof |
| CN114196888A (en) * | 2022-02-16 | 2022-03-18 | 天津三环奥纳科技有限公司 | Constant-magnetic-conductivity nanocrystalline iron-based magnetically soft alloy material and preparation method thereof |
| WO2024130936A1 (en) * | 2022-12-19 | 2024-06-27 | 青岛云路先进材料技术股份有限公司 | Amorphous nanocrystalline soft magnetic alloy thin strip and magnetic core |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002322546A (en) * | 2001-04-24 | 2002-11-08 | Alps Electric Co Ltd | Fe BASED SOFT MAGNETIC ALLOY AND MAGNETIC CORE USING THE ALLOY |
| CN101650999A (en) * | 2009-08-13 | 2010-02-17 | 太原科技大学 | Fe-based amorphous or nanocrystalline soft magnetic alloy and preparation method thereof |
| CN103915231A (en) * | 2014-03-03 | 2014-07-09 | 郑州大学 | Iron-based amorphous-nanometer crystalline state magnetically soft alloy with high saturation magnetic induction density and application thereof |
| CN103924169A (en) * | 2013-01-14 | 2014-07-16 | 江苏奥玛德新材料科技有限公司 | Low-cost high-magnetic-conductivity Fe-based nanocrystalline alloy modified by trace rare earth yttrium |
-
2014
- 2014-07-30 CN CN201410376525.5A patent/CN104200945A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002322546A (en) * | 2001-04-24 | 2002-11-08 | Alps Electric Co Ltd | Fe BASED SOFT MAGNETIC ALLOY AND MAGNETIC CORE USING THE ALLOY |
| CN101650999A (en) * | 2009-08-13 | 2010-02-17 | 太原科技大学 | Fe-based amorphous or nanocrystalline soft magnetic alloy and preparation method thereof |
| CN103924169A (en) * | 2013-01-14 | 2014-07-16 | 江苏奥玛德新材料科技有限公司 | Low-cost high-magnetic-conductivity Fe-based nanocrystalline alloy modified by trace rare earth yttrium |
| CN103915231A (en) * | 2014-03-03 | 2014-07-09 | 郑州大学 | Iron-based amorphous-nanometer crystalline state magnetically soft alloy with high saturation magnetic induction density and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 边宝茹: "Fe-Si-B-Cu-Nb-M（M=Al，Ni）铁基非晶纳米晶合金软磁性能的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745914A (en) * | 2015-04-15 | 2015-07-01 | 南通华禄新材料科技有限公司 | Preparation method of nanogold strip |
| CN107464649A (en) * | 2017-08-03 | 2017-12-12 | 江苏奥玛德新材料科技有限公司 | A kind of magnetic core with linear hysteresis curve |
| CN107464649B (en) * | 2017-08-03 | 2020-03-17 | 江苏奥玛德新材料科技有限公司 | Magnetic core with linear hysteresis loop |
| CN110911078A (en) * | 2018-09-14 | 2020-03-24 | 江西中磁科技协同创新有限公司 | Broadband constant-magnetic-conductivity iron-based nanocrystalline alloy magnetic core and preparation method thereof |
| CN110911078B (en) * | 2018-09-14 | 2022-12-16 | 江西中磁科技协同创新有限公司 | Broadband constant-magnetic-conductivity iron-based nanocrystalline alloy magnetic core and preparation method thereof |
| CN109599239A (en) * | 2018-12-11 | 2019-04-09 | 郑州大学 | It is a kind of perseverance magnetic conductivity iron base amorphous magnetically-soft alloy and application |
| CN110205540A (en) * | 2019-04-29 | 2019-09-06 | 天津三环奥纳科技有限公司 | A kind of processing method of the nano-crystal soft magnetic alloy of resistance to stress, alloy preparation method and iron core |
| CN114196888A (en) * | 2022-02-16 | 2022-03-18 | 天津三环奥纳科技有限公司 | Constant-magnetic-conductivity nanocrystalline iron-based magnetically soft alloy material and preparation method thereof |
| WO2024130936A1 (en) * | 2022-12-19 | 2024-06-27 | 青岛云路先进材料技术股份有限公司 | Amorphous nanocrystalline soft magnetic alloy thin strip and magnetic core |
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Application publication date: 20141210 |