CN101787499A - Iron-based nano-crystalline thin ribbon and manufacturing method thereof - Google Patents
Iron-based nano-crystalline thin ribbon and manufacturing method thereof Download PDFInfo
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Abstract
The invention discloses an iron-based nano-crystalline thin ribbon, wherein the chemical component expression of the iron-based nano-crystalline thin ribbon is FeaSibZrcNbdBeMx; the iron-based nano-crystalline thin ribbon comprises the following components in percentage by atom number: more than or equal to 76 to less than or equal to 85 percent of a, more than or equal to 0 to less than or equal to 10 of b+c+d, more than or equal to 3 to less than or equal to 15 of e and more than 0 to less than or equal to 4 of x; a+b+c+d+e+x is equal to 100 in percentage by atom number; M is one or more of Cu, Cr, V and Al; the components of the iron-based nano-crystalline thin ribbon are preferably FebalSi3.5B9Zr1.5Nb3V0.5 or FebalSi3.5B9Zr1.5Nb1.5Cr1 or FebalSi3B9Zr1Nb3Al2 or FebalSi13.5B9Nb3Cu1; the high saturation magnetic induction intensity Bs of the iron-based nano-crystalline thin ribbon is not less than 1.3T; and the thickness of the iron-based nano-crystalline thin ribbon is between 20 and 30 micrometers, and the width thereof is between 5 and 12 micrometers. The invention has the characteristics of excellent comprehensive magnetic property and good temperature stability. Moreover, the iron-based nano-crystalline thin ribbon manufactured by a manufacturing method of the invention has good crystallization effect.
Description
Technical field:
The present invention relates to a kind of amorphous alloy, particularly a kind of iron-based nano-crystalline thin ribbon and manufacture method thereof.
Background technology:
The non-crystaline amorphous metal for preparing by the rapid solidification mode does not cause non-crystaline amorphous metal to have special mechanical properties, magnetic performance, corrosion resisting property and electrical property etc. because of it does not possess long-range atomic ordered structure.Therefore, the research of amorphous alloy material becomes one important in the investigation of materials field.And the Fe-based amorphous material in the non-crystaline amorphous metal makes it be widely used in technical fields such as range transformer, electromagnetism inverting element because of its excellent magnetic performance and cheap cost.
At present, common soft magnetic materials has silicon steel, and non-crystaline amorphous metal, nanometer crystal alloy are so several.Non-crystaline amorphous metal can be divided into Fe-based amorphous alloy, cobalt base amorphous alloy etc. according to matrix.Though silicon steel has higher saturation induction density, its iron loss in medium-high frequency is excessive, and magnetostriction is big, easily produces audible noise.Cobalt base amorphous alloy has high magnetic permeability, low-coercivity, excellent magnetism energy such as extremely low core loss, can long term operation in severe environment, but, cost an arm and a leg because cobalt is strategic rare metal, limited the development of the civilian aspect of cobalt base amorphous alloy.
Magnetic properties such as Fe base noncrystal alloy saturation induction density are very superior, but its high-temperature stability is poor, and soft magnetic performance descended fast when working temperature raise.In sum, can be used for transformer, magnetic head, the transductor of high frequency, the magnetic core of reactance coil, not only require it that good magnetic property is arranged, when high frequency loss low, also require it that certain temperature stability is arranged.
Therefore, press for a kind of nano-crystal soft magnetic alloy of appearance, this nanometer crystal alloy will have comprehensive preferably magnetic property and temperature stability.
Summary of the invention:
Technical problem to be solved by this invention is, the iron-based nano-crystalline thin ribbon that a kind of comprehensive magnetic property is good, temperature stability is good is provided.
To achieve these goals, the invention provides a kind of iron-based nano-crystalline thin ribbon, it is characterized in that, described iron-based nano-crystalline thin ribbon composition is according to atom number per-cent meter, and its chemical ingredients expression formula is: Fe
aSi
bZr
cNb
dB
eM
x, wherein, 76≤a≤85,0≤b+c+d≤10,3≤e≤15,0＜x≤4, and a+b+c+d+e+x=100.
Described M is any one or a few among Cu, Cr, V, the Al.
The chemical component table of described iron-based nano-crystalline thin ribbon is superior to be elected as: Fe
BalSi
3.5B
9Zr
1.5Nb
3V
0.5Or Fe
BalSi
3.5B
9Zr
1.5Nb
1.5Cr
1Or Fe
BalSi
3B
9Zr
1Nb
3Al
2Or Fe
BalSi
13.5B
9Nb
3Cu
1
The high saturated magnetic induction Bs of described iron-based nano-crystalline thin ribbon is not less than 1.3T.
Described iron-based nano-crystalline thin ribbon thickness is 20～30 microns, and width is 5～12 millimeters.
In order better to realize the object of the invention, the invention provides a kind of manufacture method of iron-based nano-crystalline thin ribbon, wherein, comprise the steps:
Step 1, the mother alloy of proportioning configuration according to chemical composition,
The mother alloy of step 2, melting step 1 gained,
The alloy of step 3, reflow step two gained also gets rid of band and makes amorphous thin ribbon,
Step 4, step 3 gained amorphous thin ribbon is heat-treated,
Step 5, step 4 is obtained product carry out Performance Detection.
When operating described step 1, calculate correspondingly raw material according to the required atom number of the target component of the described iron-based nano-crystalline thin ribbon of claim 1, and use physical balance to carry out weighing, make Fe
aSi
bZr
cNb
dB
eM
xMother alloy;
When operating described step 2, the mother alloy of step 1 gained is dropped into fusion in the intermediate frequency vacuum induction furnace, in the melting process, regulate suction to 2～5 * 10
-3Pa, charged pressure 0.02～0.06Mpa argon shield gas is regulated the current control melt temperature at 1100～1500 ℃, the smelting time Fe that the furnace cooling taking-up promptly gets after 6～9 minutes
aSi
bZr
cNb
dB
eM
xThe mother alloy alloy pig;
When operating described step 3, adopt the extremely cold mode of single roller to make amorphous thin ribbon step 2 gained alloy pig, spray band temperature is 1200～1300 ℃, and roll surface speed is 38～45m/s, and nozzle is 20～100 microns apart from the roll surface distance.The amorphous thin ribbon that makes is incubated 0.1～1 hour at 500-550 ℃;
When operating described step 4, will step 3 gained amorphous thin ribbon drop in the heat treatment furnace and heat-treat, generate the nanocrystalline of grain-size 20～80nm on the amorphous thin ribbon after the thermal treatment, make its obtain to surpass 60% nanocrystalline, promptly make iron-based nano-crystalline thin ribbon;
When operating described step 5, step 4 gained iron-based nano-crystalline thin ribbon is carried out Performance Detection, promptly obtain qualified iron-based nano-crystalline thin ribbon product by what detect.
Compared with prior art, the present invention has following characteristics:
Chemical ingredients of the present invention consists of: Fe
aSi
bZr
cNb
dB
eM
x(at%), 76≤a≤85,0＜b+c+d≤10,3≤e≤15 wherein, M is for being selected among Cu, Cr, V, the Al any one or a few at least, 0＜x≤4.Selecting Fe is that iron-based has high saturation induction density as the reason of matrix, and Fe shared ratio in matrix is big more, and its saturation induction density is big more, and magneticflux-density is high more, but Fe atomic percent＞85 o'clock are difficult to make amorphous.So the amount of iron is in atomic percent 76≤a≤85.Si is the amorphous forming element, because the present invention makes amorphous thin ribbon with material earlier, becomes nanocrystalline at the amorphous thin ribbon that will make by the thermal treatment process crystallization, so, add suitable silicon and make it more help forming amorphous.The oxide compound free energy of formation absolute value of Zr and Nb is little, can effectively improve thermally-stabilisedly, is difficult for oxidation during manufacturing.And adding an amount of Zr and Nb can improve crystallization temperature and reduce iron loss.Zr and Nb can effectively suppress separating out of FeB, crystal grain thinning, the crystal grain of the nanoscale that is easy to get in heat treatment process.Consider that Zr and Nb are the substitute element of Si, so 0＜b+c+d≤10, not adding does not then have above-mentioned effect, and in heat treatment process grain growth, magnetic property descends, when total addition level surpassed atomic percent 10, magnetic property descended rapidly.B is the amorphous forming element, and its addition is in atomic percent 3≤e≤15, and addition is during less than atomic percent 3%, and the effect of B is not obvious, and the soft magnetic performance of material descends.When addition surpassed atomic percent 15%, fusing point rising effect was obvious, is not easy to form amorphous phase.Cu, Cr, V, Al all add as the effective element of crystal grain thinning, and they are present in the grain boundary, suppress grain growth.But they are obvious to the deterioration effect of magnetic property, so its addition of control is in atomic percent 4%.
Compared with prior art, the present invention has the following advantages and positively effect:
1, the comprehensive magnetic property of iron-based nano-crystalline thin ribbon of the present invention's formation is good, and temperature stability is good.
2, the iron-based nano-crystalline thin ribbon of producing through manufacture method of the present invention, crystallization is effective.
Embodiment:
The iron-based nano-crystalline thin ribbon composition is according to atom number per-cent meter, and its chemical ingredients expression formula is: Fe
aSi
bZr
cNb
dB
eM
x, wherein, 76≤a≤85,0≤b+c+d≤10,3≤e≤15,0＜x≤4, and a+b+c+d+e+x=100.M is any one or a few among Cu, Cr, V, the Al.The chemical component table of iron-based nano-crystalline thin ribbon is superior to be elected as: Fe
BalSi
3.5B
9Zr
1.5Nb
3V
0.5Or Fe
BalSi
3.5B
9Zr
1.5Nb
1.5Cr
1Or Fe
BalSi
3B
9Zr
1Nb
3Al
2Or Fe
BalSi
13.5B
9Nb
3Cu
1The high saturated magnetic induction Bs of iron-based nano-crystalline thin ribbon is not less than 1.3T.Iron-based nano-crystalline thin ribbon thickness is 20～30 microns, and width is 5～12 millimeters.
The method of making this iron-based nano-crystalline thin ribbon is for comprising the steps:
Step 1, the mother alloy of proportioning configuration according to chemical composition,
The mother alloy of step 2, melting step 1 gained,
The alloy of step 3, reflow step two gained also gets rid of band and makes amorphous thin ribbon,
Step 4, step 3 gained amorphous thin ribbon is heat-treated,
Step 5, step 4 is obtained product carry out Performance Detection.
When operating described step 1, calculate correspondingly raw material according to the required atom number of the target component of the described iron-based nano-crystalline thin ribbon of claim 1, and use physical balance to carry out weighing, make Fe
aSi
bZr
cNb
dB
eM
xMother alloy;
When operating described step 2, the mother alloy of step 1 gained is dropped into fusion in the intermediate frequency vacuum induction furnace, in the melting process, regulate suction to 2～5 * 10
-3Pa, charged pressure 0.02～0.06Mpa argon shield gas is regulated the current control melt temperature at 1100～1500 ℃, the smelting time Fe that the furnace cooling taking-up promptly gets after 6～9 minutes
aSi
bZr
cNb
dB
eM
xThe mother alloy alloy pig;
When operating described step 3, adopt the extremely cold mode of single roller to make amorphous thin ribbon step 2 gained alloy pig, spray band temperature is 1200～1300 ℃, and roll surface speed is 38～45m/s, and nozzle is 20～100 microns apart from the roll surface distance.The amorphous thin ribbon that makes is incubated 0.1～1 hour at 500-550 ℃;
When operating described step 4, step 3 gained amorphous thin ribbon dropped in the heat treatment furnace heat-treats, generate the nanocrystalline of grain-size＜100nm on the amorphous thin ribbon after the thermal treatment, make its obtain to surpass 60% nanocrystalline, promptly make iron-based nano-crystalline thin ribbon;
When operating described step 5, step 4 gained iron-based nano-crystalline thin ribbon is carried out Performance Detection, promptly obtain qualified iron-based nano-crystalline thin ribbon product by what detect.
Preferred example is as follows:
Embodiment 1:
With Fe, Si, ferro-boron (24wt%B), Zr, Nb, Cr, Cu, vanadium iron, Al presses Fe
aSi
bZr
cNb
dB
eM
x(at%) chemical ingredients is than configuration, and fusion in the intermediate frequency vacuum induction furnace adopts the extremely cold mode of single roller to make amorphous thin ribbon melted alloy pig, spray band temperature is 1200～1300 ℃, roll surface speed is 40m/s, and the amorphous thin ribbon thickness of making is about the 20-30 micron, and width is about 6mm.It is 20mm that the amorphous thin ribbon that obtains is wound into external diameter, and internal diameter is the annulus of 10mm, puts into 510 ℃ of insulations of heat treatment furnace 1 hour.Concrete manufacturing step is as follows:
1, master alloy melting.Technically pure iron, ferro-boron, silicon, zirconium, niobium and copper, chromium, vanadium iron, aluminium according to chemical constitution proportioning preparation mother alloy, are smelted into master alloy ingot in the intermediate frequency vacuum induction melting furnace.
2, put into the silica tube remelting after master alloy ingot being broken into fritter, the spray band.Spray band temperature is 1200-1300 ℃, and nozzle is 20-100 μ m apart from the roll surface distance, and roll surface speed is 40m/s.Become the about 20-30 μ of tape thickness m, the about 6mm. of bandwidth
3 amorphous thin ribbons that spray is good are wound into external diameter 20mm, and the annulus of internal diameter 10mm is put into the heat treatment furnace of argon shield, and 500-550 ℃ is incubated 0.5-1 hour.And can heat treatment process for obtaining good nanocrystalline most important of soft magnetic performance.The too high grain-size that then causes of long or Heating temperature heat-up time becomes big, and soft magnetic performance worsens, and heat-up time, too short or Heating temperature can cause the nanocrystalline ratio in matrix that generates too small inadequately again, was unfavorable for the raising of performance.
The nano-crystalline thin ribbon that makes is distinguished by example and comparative example, measures its magnetic property respectively.Each one-tenth of its alloy is grouped into lists in table one, and its corresponding magnetic property is listed in table two.
| Sequence number | Difference | ??Fe | ??Si | ??B | ??Zr | ??Nb | ??Cr | ??Cu | ??V | ??Al |
| ??1 | Example | Residue | ??3.5 | ??9 | ??3.5 | ??3 | ??0.3 | ??- | ??- | ??- |
| ??2 | Example | Residue | ??3.5 | ??9 | ??3.5 | ??3 | ??- | ??0.5 | ??- | ??- |
| ??3 | Example | Residue | ??3.5 | ??9 | ??3.5 | ??3 | ??- | ??- | ??1.5 | ??- |
| ??4 | Example | Residue | ??3.5 | ??9 | ??3.5 | ??3 | ??- | ??- | ??- | ??2.0 |
| ??5 | Comparative example | Residue | ??3.5 | ??9 | ??3.5 | ??3 | ??- | ??- | ??- | ??- |
| ??6 | Example | Residue | ??4.5 | ??9 | ??- | ??3 | ??- | ??1 | ??- | ??- |
| ??7 | Example | Residue | ??4 | ??9 | ??4 | ??- | ??- | ??1 | ??- | ??- |
| ??8 | Example | Residue | ??4 | ??8 | ??2 | ??3 | ??- | ??- | ??- | ??0.3 |
| ??9 | Example | Residue | ??5 | ??8 | ??1 | ??4 | ??- | ??- | ??- | ??0.3 |
| ??10 | Example | Residue | ??3 | ??9 | ??1.5 | ??1.5 | ??- | ??- | ??1 | ??- |
| ??11 | Comparative example | Residue | ??12 | ??3 | ??3.5 | ??3.5 | ??- | ??- | ??- | ??- |
| ??12 | Example | Residue | ??4 | ??9 | ??3 | ??3 | ??- | ??1 | ??- | ??- |
Table one
| Sequence number | Difference | ??B10(T) | ??P2/20k(W/kg) | ??P2/100k(W/kg) | μ a (ten thousand) |
| ??1 | Example | ??1.40 | ??5.0 | ??165.9 | ??3.45 |
| ??2 | Example | ??1.44 | ??5.0 | ??163.8 | ??3.56 |
| ??3 | Example | ??1.35 | ??5.3 | ??169.6 | ??3.20 |
| ??4 | Example | ??1.31 | ??4.5 | ??159.8 | ??2.98 |
| ??5 | Comparative example | ??1.2 | ??6.6 | ??172.5 | ??4.23 |
| ??6 | Example | ??1.42 | ??5.6 | ??182.6 | ??4.10 |
| ??7 | Example | ??1.33 | ??5.8 | ??187.9 | ??3.22 |
| Sequence number | Difference | ??B10(T) | ??P2/20k(W/kg) | ??P2/100k(W/kg) | μ a (ten thousand) |
| ??8 | Example | ??1.41 | ??5.2 | ??162.7 | ??4.32 |
| ??9 | Example | ??1.46 | ??5.2 | ??166.2 | ??4.10 |
| ??10 | Example | ??1.44 | ??5.5 | ??168.3 | ??4.51 |
| ??11 | Comparative example | ??1.22 | ??6.4 | ??176.8 | ??3.04 |
| ??12 | Example | ??1.38 | ??5.5 | ??177.0 | ??3.11 |
Table two
Shown in table one, table two, example 1,2,3,4 has provided the magnetic property that contains element M (being Cr, Cu, V, Al) respectively, by with the comparative example 5 that does not contain the M element more as can be known, the comprehensive magnetic property of alloying constituent that adds M is better.Example 6,7,12 has provided the comprehensive magnetic property that only adds Nb or Zr and comprehensively add the alloying constituent of Nb, Zr, finds, it is better than the comprehensive magnetic property of independent interpolation Nb, Zr comprehensively to add Nb, Zr.Example 8,9,10 is found silicone content between 3-4 by adjusting the ratio between Si, Nb, the Zr element, and the atomic ratio between the Nb/Zr is 1: 1 o'clock, comprehensive magnetic property the best.
Embodiment 2:
With Fe, Si, ferro-boron (24wt%B), Zr, Nb, Cr, Cu, vanadium iron, Al presses Fe
aSi
bZr
cNb
dB
eM
x(at%) chemical ingredients is than configuration, and fusion in the intermediate frequency vacuum induction furnace adopts the extremely cold mode of single roller to make amorphous thin ribbon melted alloy pig, spray band temperature is 1200～1300 ℃, roll surface speed is 40m/s, and the amorphous thin ribbon thickness of making is about the 20-30 micron, and width is about 6mm.It is 20mm that the amorphous thin ribbon that obtains is wound into external diameter, and internal diameter is the annulus of 10mm, puts into 550 ℃ of insulations of heat treatment furnace insulation 0.5 hour.Survey the Curie temperature of the iron-based nano-crystalline thin ribbon make with VSM, its composition and corresponding Curie temperature are listed in table three; Its magnetic property is measured in 300 ℃ of insulations after 120 hours, table four is measured data value comparison sheet for the data value not doing to be surveyed before the insulation timeliness in 120 hours with after having done 120 hours timeliness.
| Alloying constituent (pressing atomic percent) | Curie temperature (Tc/ ℃) |
| ??Fe balSi 3.5B 9Zr 1.5Nb 3V 0.5(example) | ??578 |
| ??Fe balSi 3.5B 9Zr 1.5Nb 2V 0.5(example) | ??576 |
| ??Fe balSi 3.5B 9Zr 2Nb 3V 0.5(example) | ??577 |
| ??Fe balSi 13.5B 9Nb 3Cu 1(comparative example) | ??570 |
Table three
Table four
By table three as can be known, the alloying constituent Curie temperature of example of the present invention exceeds the Curie temperature (comparative example in table three, the table four becomes to be grouped into for the nanocrystalline material of selling on the market at present) of commercially available nanometer crystal alloy material, by 300 ℃ the insulation 120 hours timeliness (table four) as can be known, the temperature stability of the alloying constituent of example of the present invention obviously is better than commercially available nanometer crystal alloy material.
Embodiment 3:
With Fe, Si, ferro-boron (24wt%B), Zr, Nb, Al, V, Cr, Cu presses Fe
aSi
bZr
cNb
dB
eM
x(at%) chemical ingredients is than configuration, in the intermediate frequency vacuum induction furnace, be melt into master alloy ingot, adopt the extremely cold mode of single roller to make amorphous thin ribbon melted alloy pig, spray band temperature is 1200～1300 ℃, roll surface speed is 40m/s, the amorphous thin ribbon thickness of making is about the 20-30 micron, and width is about 10mm.It is 25mm that the amorphous thin ribbon that obtains is wound into external diameter, and internal diameter is the annulus of 10mm, puts into heat treatment furnace and is incubated, and what table five provided is pairing optimum treatment process of composition and magnetic property thereof.
| Alloying constituent | Distinguish | Thermal treatment process | ??μ a(ten thousand) | ??B10(T) |
| ??Fe balSi 3.5B 9Zr 1.5Nb 1.5Cr 0.5 | Example | ??539℃，25min | ??4.60 | ??1.46 |
| ??Fe balSi 3.5B 9Zr 1.5Nb 1.5Cr 1 | Example | ??542℃，20min | ??4.61 | ??1.46 |
| ??Fe balSi 3B 9Zr 1Nb 3Al 2 | Example | ??544℃，25min | ??3.11 | ??1.33 |
| ??Fe balSi 2B 8Zr 0.5Nb 3Al 4 | Example | ??550℃，25min | ??3.05 | ??1.26 |
| ??Fe balSi 3.5B 9Zr 1.5Nb 3V 0.5 | Example | ??542℃，30min | ??4.56 | ??1.44 |
| ??Fe balSi 3.5B 9Zr 1.5Nb 3V 0.3 | Example | ??540℃，30min | ??4.56 | ??1.43 |
| ??Fe balSi 7B 9Zr 0.5Nb 2V 0.5 | Example | ??546℃，45min | ??3.92 | ??1.36 |
| ??Fe balSi 13.5B 9Nb 3Cu 1 | Comparative example | ??550℃，60min | ??3.2 | ??1.23 |
Table five
By in the table five as can be seen, optimum treatment temperature of the present invention is between 500-550 ℃, between preferred 530-550 ℃, heat treatment time is 0.1-1 hour, preferred 1/3-1 hour.
Embodiment 4:
Present embodiment will be investigated the influence of different heating process for nanocrystalline crystallization and magnetic property.With Fe, Si, ferro-boron (24wt%B), Zr, Nb, Al presses Fe
BalSi
3.5B
9Zr
1.5Nb
1.5Al
1Chemical ingredients is than configuration, in the intermediate frequency vacuum induction furnace, be melt into master alloy ingot, adopt the extremely cold mode of single roller to make amorphous thin ribbon melted alloy pig, spray band temperature is 1200～1300 ℃, roll surface speed is 40m/s, the amorphous thin ribbon thickness of making is about the 20-30 micron, and width is about 10mm.It is 25mm that the amorphous thin ribbon that obtains is wound into external diameter, and internal diameter is the annulus of 10mm, puts into heat treatment furnace and is incubated, and thermal treatment process adopts 540 ℃ of insulations 0.5 hour.Table six provides under the different heat-up rates, nanocrystalline grain size.Table seven has provided under the different heat-up rates, nanocrystalline magnetic property.(composition of the invention side in table six and the table seven consists of Fe
BalSi
3.5B
9Zr
1.5Nb
1.5Al
1, the comparative example composition consists of commercially available nanocrystalline material Fe in table six, the table seven
BalSi
13.5B
9Nb
3Cu
1)
| Distinguish | Temperature rise rate (℃/min) | Grain size (nm) |
| Example | ??10 | ??36 |
| Example | ??20 | ??34 |
| Example | ??30 | ??30 |
| Example | ??40 | ??25 |
| Compare side | ??4 | ??52 |
Table six
| Distinguish | Temperature rise rate (℃/min) | ??μ a(ten thousand) | ??B10(T) |
| Example | ??10 | ??4.32 | ??1.41 |
| Example | ??20 | ??4.36 | ??1.45 |
| Example | ??30 | ??4.40 | ??1.46 |
| Example | ??40 | ??4.43 | ??1.49 |
| Comparative example | ??4 | ??3.14 | ??1.26 |
Table seven
In sum, iron-based nano-crystalline thin ribbon provided by the invention as can be seen has comprehensive magnetic property excellence and the good characteristics of temperature stability, and in addition, through the iron-based nano-crystalline thin ribbon that manufacture method of the present invention is produced, crystallization is effective.
Claims (7)
1. an iron-based nano-crystalline thin ribbon is characterized in that, described iron-based nano-crystalline thin ribbon composition is according to atom number per-cent meter, and its chemical ingredients expression formula is: Fe
aSi
bZr
cNb
dB
eM
x, wherein, 76≤a≤85,0≤b+c+d≤10,3≤e≤15,0＜x≤4, and a+b+c+d+e+x=100.
2. according to the described iron-based nano-crystalline thin ribbon of claim 1, it is characterized in that described M is any one or a few among Cu, Cr, V, the Al.
3. according to the described iron-based nano-crystalline thin ribbon of claim 1, it is characterized in that the chemical component table of described iron-based nano-crystalline thin ribbon is superior to be elected as: Fe
BalSi
3.5B
9Zr
1.5Nb
3V
0.5Or Fe
BalSi
3.5B
9Zr
1.5Nb
1.5Cr
1Or Fe
BalSi
3B
9Zr
1Nb
3Al
2Or Fe
BalSi
13.5B
9Nb
3Cu
1
4. according to the described iron-based nano-crystalline thin ribbon of claim 1, it is characterized in that the high saturated magnetic induction Bs of described iron-based nano-crystalline thin ribbon is not less than 1.3T.
5. according to the described iron-based nano-crystalline thin ribbon of claim 1, it is characterized in that described iron-based nano-crystalline thin ribbon thickness is 20～30 microns, width is 5～12 millimeters.
One kind as claim 1-5 arbitrary as described in the manufacture method of iron-based nano-crystalline thin ribbon, it is characterized in that, comprise the steps:
Step 1, the mother alloy of proportioning configuration according to chemical composition,
The mother alloy of step 2, melting step 1 gained,
The alloy of step 3, reflow step two gained also gets rid of band and makes amorphous thin ribbon,
Step 4, step 3 gained amorphous thin ribbon is heat-treated,
Step 5, step 4 is obtained product carry out Performance Detection.
7. according to the manufacture method of the described iron-based nano-crystalline thin ribbon of claim 6, it is characterized in that,
When operating described step 1, calculate correspondingly raw material according to the required atom number of the target component of the described iron-based nano-crystalline thin ribbon of claim 1, and use physical balance to carry out weighing, make Fe
aSi
bZr
cNb
dB
eM
xMother alloy;
When operating described step 2, the mother alloy of step 1 gained is dropped into fusion in the intermediate frequency vacuum induction furnace, in the melting process, regulate suction to 2～5 * 10
-3Pa, charged pressure 0.02～0.06Mpa argon shield gas is regulated the current control melt temperature at 1100～1500 ℃, the smelting time Fe that the furnace cooling taking-up promptly gets after 6～9 minutes
aSi
bZr
cNb
dB
eM
xThe mother alloy alloy pig;
When operating described step 3, adopt the extremely cold mode of single roller to make amorphous thin ribbon step 2 gained alloy pig, spray band temperature is 1200～1300 ℃, and roll surface speed is 38～45m/s, and nozzle is 20～100 microns apart from the roll surface distance.The amorphous thin ribbon that makes is incubated 0.1～1 hour at 500-550 ℃;
When operating described step 4, step 3 gained amorphous thin ribbon dropped in the heat treatment furnace heat-treats, generate the nanocrystalline of grain-size＜100nm on the amorphous thin ribbon after the thermal treatment, make its obtain to surpass 60% nanocrystalline, promptly make iron-based nano-crystalline thin ribbon;
When operating described step 5, step 4 gained iron-based nano-crystalline thin ribbon is carried out Performance Detection, promptly obtain qualified iron-based nano-crystalline thin ribbon product by what detect.
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| CN101787499B CN101787499B (en) | 2011-12-07 |
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| CN102102167A (en) * | 2010-12-23 | 2011-06-22 | 南京航空航天大学 | Iron-based nanocrystalline soft magnetic alloy with high quenching state toughness and wide annealing temperature range |
| CN102618806A (en) * | 2012-04-06 | 2012-08-01 | 东莞市晶磁科技有限公司 | Manufacturing method of amorphous strip capable of increasing direct current superposition performance |
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| CN1967736A (en) * | 2006-10-20 | 2007-05-23 | 南昌大学 | A method for preparing iron-base amorphous and nanocrystalline magnetic core |
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| CN102102167A (en) * | 2010-12-23 | 2011-06-22 | 南京航空航天大学 | Iron-based nanocrystalline soft magnetic alloy with high quenching state toughness and wide annealing temperature range |
| CN102102167B (en) * | 2010-12-23 | 2012-09-05 | 南京航空航天大学 | Iron-based nanocrystalline soft magnetic alloy with high quenching state toughness and wide annealing temperature range |
| CN102618806A (en) * | 2012-04-06 | 2012-08-01 | 东莞市晶磁科技有限公司 | Manufacturing method of amorphous strip capable of increasing direct current superposition performance |
| CN102618806B (en) * | 2012-04-06 | 2014-01-29 | 东莞市晶磁科技有限公司 | Manufacturing method of amorphous strip capable of increasing direct current superposition performance |
| CN103667856A (en) * | 2013-12-13 | 2014-03-26 | 青岛云路新能源科技有限公司 | Method for smelting Fe-based nanocrystalline mother alloy by recovering scratch tape |
| CN103667856B (en) * | 2013-12-13 | 2015-10-21 | 青岛云路新能源科技有限公司 | A kind of method reclaiming the smelting iron-based nanocrystalline master alloy of scratch tape |
| CN103674652A (en) * | 2013-12-18 | 2014-03-26 | 青岛云路新能源科技有限公司 | Preparation method of standard spectrum sample of Fe-based nanocrystalline |
| CN103674652B (en) * | 2013-12-18 | 2016-01-20 | 青岛云路新能源科技有限公司 | Iron based nano crystal standard sample for spectrochemical analysis preparation method |
| CN105196178A (en) * | 2014-06-26 | 2015-12-30 | 宝山钢铁股份有限公司 | Roller surface roughness control device and method for cooling roller used for amorphous and nanocrystalline tape preparation |
| CN106319398A (en) * | 2016-09-18 | 2017-01-11 | 南京腾元软磁有限公司 | Rare-earth-doped iron-based amorphous thick strip and preparing method thereof |
| CN107393671A (en) * | 2017-06-22 | 2017-11-24 | 东莞市大忠电子有限公司 | A kind of iron based nanocrystalline magnet core and preparation method thereof |
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