CN110195188A - A method of it reducing melt cast temperature and prepares iron-based amorphous alloy ribbon material - Google Patents
A method of it reducing melt cast temperature and prepares iron-based amorphous alloy ribbon material Download PDFInfo
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- CN110195188A CN110195188A CN201910500751.2A CN201910500751A CN110195188A CN 110195188 A CN110195188 A CN 110195188A CN 201910500751 A CN201910500751 A CN 201910500751A CN 110195188 A CN110195188 A CN 110195188A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 title claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 31
- 239000000956 alloy Substances 0.000 claims abstract description 159
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 155
- 229910052796 boron Inorganic materials 0.000 claims abstract description 25
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 20
- 230000009467 reduction Effects 0.000 claims abstract description 10
- 230000033228 biological regulation Effects 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 16
- 238000007711 solidification Methods 0.000 claims description 14
- 230000008023 solidification Effects 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 238000005275 alloying Methods 0.000 claims description 10
- 238000013021 overheating Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229910008423 Si—B Inorganic materials 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 33
- 230000008569 process Effects 0.000 description 14
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 12
- 238000004781 supercooling Methods 0.000 description 12
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 10
- 230000007423 decrease Effects 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 239000000155 melt Substances 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000008204 material by function Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910002546 FeCo Inorganic materials 0.000 description 1
- 229910002555 FeNi Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000048 melt cooling Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
Abstract
The present invention relates to a kind of methods that reduction melt cast temperature prepares iron-based amorphous alloy ribbon material, and in particular to a method of the pouring temperature of Fe-P-C-Si-B system alloy melt is reduced to prepare iron-based amorphous alloy ribbon material；The present invention passes through regulation Fe76PCSi22‑ XBXThe content of nonmetalloid Si, B reduce the pouring temperature of alloy melt in alloy melt, and wherein the value range of X is 11 to 16；The present invention is further adjusted technique, can be by Fe76PCSi22‑XBXThe pouring temperature of alloy melt regulates and controls to minimum pouring temperature, and minimum pouring temperature of the invention is 1150-1210 DEG C；The present invention can be improved the density of iron-based amorphous alloy ribbon material, improve surface quality, and have the characteristics that low implementation cost, high-efficient, controllability and repeatability is strong, engineering reliability is high.
Description
Technical field
The invention belongs to Metallic Functional Materials preparation technical fields, prepare more particularly to a kind of reduction melt cast temperature
The method of iron-based amorphous alloy ribbon material.
Background technique
Compared with the ferrous alloy of crystalline state, Fe-based amorphous alloy has the advantages that high magnetic permeability and low-loss, is applied to energy
Enough iron core manufactures, can significantly improve the energy-efficient performance of distribution transformer and the efficiency of amorphous motor, be that current comprehensive performance is excellent
Different advanced electromagnetic material, is widely used in the multiple fields such as smart grid, intelligence manufacture and information technology.Fe-based amorphous alloy
Directly to be solidified to obtain by alloy melt, using nonequilibrium state preparation method, the density of Fe-based amorphous alloy strip and
Surface quality is inversely proportional with cast temperature, reduces density and surface quality that cast temperature is conducive to improve Fe-based amorphous alloy,
Improve the lamination coefficient and performance of amorphous alloy iron core.
Alloy melt is directly frozen into the process that amorphous alloy is the solidification of a melt undercooling, in supercooling process of setting
In, with the increase of alloy melt viscosity, melt gradually loses mobility, is transformed into the solid with melt structure feature.But
It is that realizations of process of setting is subcooled to need alloy melt that must have certain degree of supercooling, i.e., alloy melt is lower than amorphous
The temperature solidification of state transition temperature Tg is just able to achieve supercooling solidification, the natural coagulation temperature and amorphous state temperature of alloy melt
Temperature difference between Tg is exactly that the degree of supercooling that cooling solidification must have occurred for alloy melt.In natural cooling, ferrous alloy
The degree of supercooling of melt usually all very little, is unable to satisfy the requirement that alloy melt crosses cooling solidification.However the degree of supercooling of alloy melt with
The cooling velocity of melt is related, and alloy melt temperature declines faster, and the alloy melt degree of supercooling of acquisition is bigger.Alloy melt mistake
The characteristics of cold degree changes the dependence of melt cooling velocity derived from alloy melt Structure of Atomic Clusters with melt temperature, due to original
Sub- cluster structure changes the diffusion and aggregation for the atom that invariably accompanies, so melt Structure of Atomic Clusters pace of change is by melt
The limitation of atomic diffusion rates, atomic diffusion rates are related with melt temperature in melt, and melt temperature is higher, and atom expands in melt
Scattered speed is faster.When melt temperature decline, atomic diffusion rates reduce in melt, and the variation of alloy melt structure leads to melt
Viscosity increases, and in melt natural cooling process, atomic diffusion rates are mutually matched in the speed and melt of melt temperature decline,
The Structure of Atomic Clusters of alloy melt is substantially synchronous variation with melt temperature, and melt viscosity caused by melt structure changes increases
It is also synchronous for adding with melt temperature decline, and at this moment alloy melt degree of supercooling only has 20 degree or so, and condensation will not occur for melt
Gu.When melt temperature decrease speed is greater than the variation of atomic diffusion rates in melt, the variation of melt Structure of Atomic Clusters will
The decrease speed of melt temperature is lagged behind, the lag of melt Structure of Atomic Clusters variation will lead to the lag of melt viscosity, will be high
The temperature that Fast Cooling terminates is remained into the melt viscosity that Fast Cooling process terminates temperature, thus alloy melt is caused to be subcooled
The increase of degree.Since melt temperature decrease speed and the difference of atomic diffusion rates variation in melt are bigger, melt elementide
The hysteresis effect of structure change and viscosity is more obvious, therefore the degree of supercooling of alloy melt and the speed of melt temperature decline are at just
Than melt temperature decrease speed is faster, and the alloy melt degree of supercooling of acquisition is bigger.It is right based on this melt viscosity hysteresis effect
Ferrous alloy melt, which carries out Fast Cooling, can artificially increase the degree of supercooling of alloy melt, realize that crossing for alloy melt condenses
Gu.
Melt viscosity, which is increased speed, during Fast Cooling lags behind melt temperature decrease speed, drops at the temperature of the melt
In the case that speed is constant, melt undercooling degree caused by Fast Cooling is related with the initial viscosity of melt, the initial viscosity of melt
Lower, the melt undercooling degree obtained by Fast Cooling process is bigger.Although it is molten that Fast Cooling process can artificially increase alloy
The degree of supercooling of body, but the difference of the melt initial viscosity of cast temperature and the corresponding viscosity of melt natural cooling setting temperature cannot mistake
It is small, then it will limit the melt undercooling degree of Fast Cooling process acquisition, it is high if viscosity when melt is cast is higher than a certain critical value
The melt undercooling degree that fast cooling procedure generates cannot still reach the requirement of cooling solidification.Therefore, preparation amorphous alloy needs pair
The cast temperature of viscosity or melt when melt is cast is limited.Since melt viscosity and cast temperature variation can be to amorphous
The performance of alloy has an impact, therefore regulates and controls melt viscosity and cast temperature for improving amorphous alloy performance with important work
With.It is thin that Chinese patent application 201610879582.4 discloses a kind of non-crystalline solids alloy for reducing alloy melt pouring temperature
The preparation method of band is related to the alloy melt viscosity of step 1 measurement pouring temperature；Step 2 measures Overheating Treatment alloy melt drop
Temperature is to pouring temperature viscosity below；Step 3 selects the Overheating Treatment equal with alloy melt viscosity needed for pouring temperature to close
The temperature of golden melt is as pouring temperature；Overheating Treatment alloy melt is cooled to and pouring temperature alloy melt viscosity by step 4
Equal temperature and quickly solidification obtain non-crystalline solids alloy thin band.Main deficiency existing for this method is: alloy melt needs
By 1700 DEG C of high-temperature process, the metal in melt is easy to cause to aoxidize.
In conclusion although reducing density of the cast temperature for raising iron-based amorphous alloy ribbon material of ferrous alloy melt
It plays an important role with surface quality, but still lacks the technical method that the minimum cast temperature of alloy melt is effectively reduced at present,
It is one of current unsolved critical issue in iron-base amorphous alloy material field.Therefore, establishing, which reduces ferrous alloy melt, pours
The process of casting temperature is to improve the key technology of iron-based amorphous alloy ribbon material density and surface quality, and and research and develop new
The important technology that type high-performance iron-base amorphous alloy material is badly in need of.
Summary of the invention
Object of the present invention is in order to overcome the deficiencies of the prior art and provide a kind of reduction melt cast temperature prepare it is iron-based
The method of amorphous alloy strips, the present invention can be effectively reduced the minimum cast temperature of ferrous alloy melt, to significantly improve iron
The performance of base noncrystal alloy band.
The method that a kind of reduction melt cast temperature proposed according to the present invention prepares iron-based amorphous alloy ribbon material, comprising:
According to chemical formula Fe76PCSi22-XBX, wherein the value range of X is 11 to 16, prepares Fe76PCSi22-XBXAlloy melt passes through tune
Control the Fe76PCSi22-XBXThe content of nonmetalloid Si, B reduce the pouring temperature of the alloy melt in alloy melt,
Obtain the Fe of different Si, B content76PCSi22-XBXThe minimum cast temperature of alloy melt；Again to the Fe76PCSi22-XBXAlloy
Melt, which is rapidly cooled, is frozen into amorphous alloy strips；Wherein, the Fe obtained76PCSi22-XBXThe minimum casting of alloy melt
Temperature is 1150-1210 DEG C.
Further, a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material proposed by the present invention, tool
Body are as follows:
Step S1, according to chemical formula Fe76PCSi22-XBX, wherein the value range of X is 11 to 16, by regulating and controlling the conjunction
The content of nonmetalloid Si, B in golden melt, the step-length that wherein X changes every time are 1, prepare 6 kinds of a series of difference Si, B content
Fe76PCSi22-XBXAlloy melt；From Fe76PCSi22-XBX1260 DEG C of normal cast temperature beginnings of alloy melt, using continuous
The method for reducing cast temperature, the amplitude that cast temperature reduces every time are 10 DEG C, in different cast temperatures, by these differences
The Fe of Si, B content76PCSi22-XBXAlloy melt is prepared into amorphous alloy strips, until occurring crystal in amorphous alloy strips
Phase obtains the Fe of different Si, B content76PCSi22-XBXThe minimum cast temperature of alloy melt, establishes Fe76PCSi22-XBXAlloy is molten
The minimum cast temperature of body and Fe76PCSi22-XBXThe relationship of alloying component；Wherein, the Fe obtained76PCSi22-XBXAlloy melt is most
Low cast temperature is 1150-1210 DEG C；
Step S2 selects Fe76PCSi22-XBXThe cast temperature of alloy melt, further according to Fe in step S176PCSi22-XBXIt closes
The minimum cast temperature of golden melt and the corresponding relationship of alloying component, alloying component required for selecting；Then by raw material according to
It after the alloying component proportion mixing, is melted using induction melting, the mother of selected alloying component is prepared into after refining
Alloy；After master alloy is melted, amorphous alloy strips are frozen into through being quickly cooled down.
Further, a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material proposed by the present invention, X take
Value ranges preferably from 13-16.
Further, a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material proposed by the present invention, institute
It states after melting master alloy, rapid cooling is frozen into amorphous alloy strips specific steps are as follows: after prepared master alloy is melted,
Alloy melt is carried out Overheating Treatment 1 hour at 1450 DEG C, is then down to the cast temperature of setting；Alloy melt is passed through into nozzle
It is continuously pouring on high-speed rotating rapid cooling copper roller, the linear velocity of the copper roller surface is 25 meter per seconds, by quick solidification Cheng Fei
Peritectic alloy strip.
A kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material proposed by the present invention, the casting temperature
Spend minimum 1150 DEG C.
A kind of method that reduction melt cast temperature prepares iron-based amorphous alloy ribbon material proposed by the present invention is equally applicable to
In other Fe base noncrystal alloy materials, it is equally applicable in FeNi base or FeCo base.
A kind of technical principle for reducing melt cast temperature and preparing the method for iron-based amorphous alloy ribbon material proposed by the present invention
And it has the beneficial effect that:
Since ferrous alloy melt determines in the viscosity of cast temperature melt undercooling degree and the solidification of Fast Cooling process
Alloy structure afterwards is amorphous state or crystalline state, so carrying out control to the viscosity of alloy melt is that alloy melt is minimum pours for regulation
Cast the important channel of temperature.Structure of Atomic Clusters in alloy melt is the key factor for influencing melt viscosity, and wherein metal is former
The elementide that son is formed with non-metallic atom had both influenced the viscosity of melt, or determined the key of melt composition amorphous structure
Factor, therefore the Structure of Atomic Clusters for regulating and controlling metallic atom and non-metallic atom formation becomes regulation alloy melt cast temperature
It is crucial.For alloy melt, metallic atom plays the role of solvent, and non-metallic atom is solute atoms, when in alloy melt
Metal and non-metallic atom formed cluster when, substantially metallic atom around non-metallic atom formed cluster structure.It is constituting
When elementide, the metallic atom quantity around different non-metallic atoms is different.Due to surrounding a non-metallic atom
Metallic atom quantity is different, so that elementide has different configuration and size.Various sizes of elementide is viscous to melt
The influence of degree has notable difference, and the small elementide of general size is easy to the flowing of melt, and corresponding melt viscosity is small, and big ruler
Very little elementide is not easy to the flowing of melt, and corresponding melt viscosity is big.Around the metallic atom quantity quilt of non-metallic atom
Referred to as ligancy, ligancy is generally related with the valence state of non-metallic atom, and the low corresponding ligancy of valence state is small.In ferrous alloy
The ligancy of boron is less than the ligancy of silicon, so increasing the low boron content of ligancy, while reducing the high silicone content of ligancy can
The average atom cluster size of ferrous alloy is effectively reduced, achieve the purpose that reduce ferrous alloy melt viscosity.It prepares iron-based
When amorphous alloy strips, less than one threshold value of alloy melt viscosity is needed just to can be carried out melt casting, it is viscous with this alloy melt
The corresponding temperature of degree threshold value is exactly the minimum cast temperature of melt.Alloy melt viscosity is inversely proportional with melt temperature, melt temperature
It reduces, viscosity increases, therefore alloy melt viscosity determines the minimum cast temperature of melt.As boron content increases, alloy is molten
The viscosity of body reduces, and minimum cast temperature corresponding with the viscosity threshold that melt casting needs also declines therewith.
Realization principle of the invention is: being replaced by low ligancy non-metallic atom boron to high ligancy non-metallic atom silicon
The size for effectively reducing metal and non-metallic atom formation elementide is changed, reduces the viscosity of alloy melt, and close by reducing
The viscosity of golden melt come achieve the purpose that reduce the minimum cast temperature of alloy melt.
Its remarkable advantage is the present invention compared with prior art:
First is that the method that a kind of reduction melt cast temperature proposed by the present invention prepares iron-based amorphous alloy ribbon material can incite somebody to action
Normal pouring temperature 1260 DEG C drops of the pouring temperature of Fe-P-C-Si-B system alloy melt from Fe-P-C-Si-B system alloy melt
It is minimum to can reach 1150 DEG C as low as 1150-1210 DEG C.
Second is that the present invention can effectively improve the density and surface quality of iron-based amorphous alloy ribbon material.
Third is that the present invention have be easy to implement, be high-efficient, is at low cost, controllability and repeatability are strong, engineering reliability is high
The features such as, it is suitable for the extensive use in Metallic Functional Materials preparation technical field.
Detailed description of the invention
Fig. 1 is the embodiment of the present invention 1 to Fe76PCSi22-XBX(X=11-16) the amorphous alloy composition that alloy melt obtains
The schematic diagram of relationship between the minimum cast temperature of melt.
Fig. 2 is the Fe that the embodiment of the present invention 1 is 1150 DEG C using the cast temperature that transmission electron microscope is shot76PCSi6B16Amorphous
The schematic diagram of the high resolution picture of alloy thin band shows apparent amorphous structure feature in Fig. 3.
Fig. 3 is the Fe that the embodiment of the present invention 2 is 1210 DEG C using the cast temperature that transmission electron microscope is shot76PCSi11B11Amorphous
The schematic diagram of the high resolution picture of alloy thin band shows apparent amorphous structure feature in Fig. 4.
Fig. 4 is the Fe that the embodiment of the present invention 3 is 1190 DEG C using the cast temperature that transmission electron microscope is shot76PCSi9B13Amorphous
The schematic diagram of the high resolution picture of alloy thin band shows apparent amorphous structure feature in Fig. 4.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawings and examples.
In conjunction with Fig. 1, a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material proposed by the present invention, packet
Include following specific steps:
Step 1, the minimum cast temperature of different components amorphous alloy melt is established: (1) by changing in amorphous alloy not
With the nonmetalloid boron and silicon ratio of ligancy, 6 kinds of different nonmetalloid composition Fe are prepared76PCSi22-XBXAlloy it is molten
Body, wherein the value range of X is 11 to 16, and the step-length that X changes every time is 1；(2) from Fe76PCSi22-XBXMelt normally pours
1260 DEG C of temperature beginnings of casting set the amplitude for reducing cast temperature every time as 10 DEG C, using the method for reducing cast temperature, not
The alloy melt of this 6 kinds different boron and silicon ratio is prepared into amorphous alloy strips, until amorphous alloy strip by same cast temperature
Occurs crystal phase in material；(3) the minimum cast temperature for obtaining different components alloy melt, establish the minimum cast temperature of melt with it is non-
The relationship of peritectic alloy composition；
Step 2, alloy composition is selected according to the cast temperature of Fe-based amorphous alloy melt: (1) selects amorphous alloy melt
Minimum cast temperature；(2) according to the minimum cast temperature of amorphous alloy melt and the corresponding relationship of alloy composition, needed for selection
The alloy composition wanted；
Step 3, the master alloy of selected alloy composition is prepared: after raw material is mixed according to the proportion, using induction melting
It is melted, the master alloy of selected alloy composition is prepared into after refining；
Step 4, alloy melt is rapidly solidificated into amorphous alloy ribbon in selected minimum cast temperature: (1) by institute
After the master alloy fusing of preparation, Overheating Treatment is carried out to alloy melt at 1450 DEG C, is then down to the minimum cast temperature of setting；
(2) alloy melt is continuously pouring on high-speed rotating rapid cooling copper roller by nozzle, the linear velocity of the copper roller surface is
25 meter per seconds, by quick solidification at amorphous alloy ribbon.
A kind of specific implementation for reducing melt cast temperature and preparing the method for iron-based amorphous alloy ribbon material proposed by the present invention
Under such as:
Embodiment 1
To use Fe76PCSi6B16For amorphous alloy ribbon, the number in the chemical formula is at%, and the amorphous state is solid
Body alloy thin band is prepared using high-speed plane stream caster method commonly used in the art.With a kind of drop proposed by the present invention
Low melt pouring temperature prepare the process of iron-based amorphous alloy ribbon material specific steps are as follows:
Step 1, the minimum cast temperature of different components amorphous alloy melt is established: (1) by changing Fe-based amorphous alloy
Nonmetalloid Si and the B ratio of middle difference ligancy prepares 6 kinds of different nonmetalloid composition Fe76PCSi22-XBXAlloy
Melt, wherein the value range of X is 11 to 16, and the step-length that X changes every time is 1；(2) from Fe76PCSi22-XBXMelt it is normal
1260 DEG C of cast temperature beginning, set every time reduce cast temperature amplitude as 10 DEG C, using reduction cast temperature method,
The alloy melt of this 6 kinds different boron and silicon ratio is prepared into amorphous alloy strips, until amorphous alloy by different cast temperatures
Occurs crystal phase in band；(3) the minimum cast temperature for obtaining different components alloy melt, establish the minimum cast temperature of melt with
The relationship of amorphous alloy composition, as shown in Figure 1；
Step 2, alloy composition is selected according to the minimum cast temperature of Fe-based amorphous alloy melt: (1) according to the molten of measurement
The minimum cast temperature of body, selecting the minimum cast temperature of amorphous alloy melt is 1150 DEG C；(2) most according to amorphous alloy melt
Boron content need to be greater than or equal to 16at.% in alloy composition known to the corresponding relationship of low cast temperature and alloy composition, select institute
The alloy composition needed is Fe76PCSi6B16；
Step 3, the master alloy of selected alloy composition is prepared: by raw material according to Fe76PCSi6B16After proportion mixing, use
Induction melting is melted, and the Fe of selected alloy composition is prepared into after refining76PCSi6B16Master alloy；
Step 4, alloy melt is rapidly solidificated into amorphous alloy ribbon in selected minimum cast temperature: (1) by institute
The Fe of preparation76PCSi6B16After master alloy fusing, alloy melt is carried out Overheating Treatment 1 hour at 1450 DEG C, is then down to setting
1150 DEG C of minimum cast temperature；(2) alloy melt is continuously pouring on high-speed rotating rapid cooling copper roller by nozzle,
The linear velocity of the copper roller surface is 25 meter per seconds, by quick solidification at Fe76PCSi6B16Amorphous alloy ribbon.
The Fe obtained through the above steps76PCSi6B16High resolution picture schematic diagram such as Fig. 2 institute of amorphous alloy ribbon micro-structure
Show, wherein the structure feature shown is amorphous state disordered structure feature.
Embodiment 2
To use Fe76PCSi11B11For amorphous alloy ribbon, the number in the chemical formula is at%, and the amorphous state is solid
Body alloy thin band is prepared using high-speed plane stream caster method commonly used in the art.With a kind of drop proposed by the present invention
Low melt pouring temperature prepare the method for iron-based amorphous alloy ribbon material specific steps are as follows:
Step 1, the minimum cast temperature of different components amorphous alloy melt is established: (1) by changing Fe-based amorphous alloy
Nonmetalloid Si and the B ratio of middle difference ligancy prepares 6 kinds of different nonmetalloid composition Fe76PCSi22-XBXAlloy
Melt, wherein the value range of X is 9 to 21, and the step-length that X changes every time is 1；(2) from Fe76PCSi22-XBXMelt it is normal
1260 DEG C of cast temperature beginning, set every time reduce cast temperature amplitude as 10 DEG C, using reduction cast temperature method,
A series of alloy melt of different boron and silicon ratio is prepared into amorphous alloy strips, until amorphous closes by different cast temperatures
There is crystal phase in gold ribbon material；(3) the minimum cast temperature for obtaining different components alloy melt establishes the minimum cast temperature of melt
With the relationship of amorphous alloy composition；
Step 2, alloy composition is selected according to the minimum cast temperature of Fe-based amorphous alloy melt: (1) according to the molten of measurement
The minimum cast temperature of body, selecting the minimum cast temperature of amorphous alloy melt is 1210 DEG C；(2) most according to amorphous alloy melt
Boron content need to be greater than or equal to 9at.% in alloy composition known to the corresponding relationship of low cast temperature and alloy composition, therefore selected
The alloy composition selected is Fe76PCSi11B11；
Step 3, the master alloy of selected alloy composition is prepared: by raw material according to Fe76PCSi11B11After proportion mixing, use
Induction melting is melted, and the Fe of selected alloy composition is prepared into after refining76PCSi11B11Master alloy；
Step 4, alloy melt is rapidly solidificated into amorphous alloy ribbon in selected minimum cast temperature: (1) by institute
The Fe of preparation76PCSi11B11After master alloy fusing, Overheating Treatment is carried out to alloy melt at 1450 DEG C, is then down to setting most
1210 DEG C of low cast temperature；(2) alloy melt is continuously pouring on high-speed rotating rapid cooling copper roller by nozzle, the copper
The linear velocity of roller surface is 25 meter per seconds, by quick solidification at Fe76PCSi11B11Amorphous alloy ribbon.
The Fe obtained through the above steps76PCSi11B11High resolution picture schematic diagram such as Fig. 3 of amorphous alloy ribbon micro-structure
It is shown, wherein the structure feature shown is amorphous state disordered structure feature.
Embodiment 3
To use Fe76PCSi9B13For amorphous alloy ribbon, the number in the chemical formula is at%, and the amorphous state is solid
Body alloy thin band is prepared using high-speed plane stream caster method commonly used in the art.With a kind of drop proposed by the present invention
Low melt pouring temperature prepare the method for iron-based amorphous alloy ribbon material specific steps are as follows:
Step 1, the minimum cast temperature of different components amorphous alloy melt is established: (1) by changing Fe-based amorphous alloy
Nonmetalloid Si and the B ratio of middle difference ligancy prepares 6 kinds of different nonmetalloid composition Fe76PCSi22-XBXAlloy
Melt, wherein the value range of X is 9 to 21, and the step-length that X changes every time is 1；(2) from Fe76PCSi22-XBXMelt it is normal
1260 DEG C of cast temperature beginning, set every time reduce cast temperature amplitude as 10 DEG C, using reduction cast temperature method,
A series of alloy melt of different boron and silicon ratio is prepared into amorphous alloy strips, until amorphous closes by different cast temperatures
There is crystal phase in gold ribbon material；(3) the minimum cast temperature for obtaining different components alloy melt establishes the minimum cast temperature of melt
With the relationship of amorphous alloy composition；
Step 2, alloy composition is selected according to the minimum cast temperature of Fe-based amorphous alloy melt: (1) according to the molten of measurement
The minimum cast temperature of body, selecting the minimum cast temperature of amorphous alloy melt is 1190 DEG C；(2) most according to amorphous alloy melt
Boron content need to be greater than or equal to 13at.%, therefore institute in alloy composition known to the corresponding relationship of low cast temperature and alloy composition
The alloy composition selected is Fe76PCSi9B13；
Step 3, the master alloy of selected alloy composition is prepared: by raw material according to Fe76PCSi9B13After proportion mixing, use
Induction melting is melted, and the Fe of selected alloy composition is prepared into after refining76PCSi9B13Master alloy；
Step 4, alloy melt is rapidly solidificated into amorphous alloy ribbon in selected minimum cast temperature: (1) by institute
The Fe of preparation76PCSi9B13After master alloy fusing, Overheating Treatment is carried out to alloy melt at 1450 DEG C, is then down to setting most
1190 DEG C of low cast temperature；(2) alloy melt is continuously pouring on high-speed rotating rapid cooling copper roller by nozzle, the copper
The linear velocity of roller surface is 25 meter per seconds, by quick solidification at Fe76PCSi9B13Amorphous alloy ribbon.
The Fe obtained through the above steps76PCSi9B13High resolution picture schematic diagram such as Fig. 4 institute of amorphous alloy ribbon micro-structure
Show, wherein the structure feature shown is amorphous state disordered structure feature.
In conclusion a kind of process of regulation minimum cast temperature of Fe-based amorphous alloy melt proposed by the present invention,
The iron-based amorphous alloy ribbon material of high quality can be obtained by the minimum cast temperature of regulation Fe-based amorphous alloy melt, be applicable in
In different amorphous alloy material systems.
The present invention achieves satisfied trial effect through validation trial.
It is lifted it should be pointed out that above-described embodiment is only intended to clearly illustrate made by process proposed by the present invention
Example, and do not limit the embodiments.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And by
The obvious changes or variations that this extends out are still within the protection scope of the invention.
Claims (5)
1. a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material characterized by comprising according to chemistry
Formula Fe76PCSi22-XBX, wherein the value range of X is 11 to 16, prepares Fe76PCSi22-XBXAlloy melt, by described in regulation
Fe76PCSi22-XBXThe content of nonmetalloid Si, B reduce the pouring temperature of the alloy melt in alloy melt, obtain not
The Fe of same Si, B content76PCSi22-XBXThe minimum cast temperature of alloy melt；Again to the Fe76PCSi22-XBXAlloy melt into
Row is quickly cooled down and is frozen into amorphous alloy strips；Wherein, the Fe obtained76PCSi22-XBXThe minimum pouring temperature of alloy melt is
1150-1210℃。
2. a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material according to claim 1, special
Sign is, the method specifically:
Step S1, according to chemical formula Fe76PCSi22-XBX, wherein the value range of X is 11 to 16, by regulating and controlling the alloy melt
The content of middle nonmetalloid Si, B, the step-length that wherein X changes every time are 1, prepare the Fe of 6 kinds of difference Si, B content76PCSi22- XBXAlloy melt；From Fe76PCSi22-XBX1260 DEG C of normal cast temperature beginnings of melt, using continuous reduction cast temperature
Method, the amplitude that cast temperature reduces every time is 10 DEG C, in different cast temperatures, by these differences Si, B content
Fe76PCSi22-XBXAlloy melt is prepared into amorphous alloy strips, until occurring crystal phase in amorphous alloy strips, obtains 6 kinds not
The Fe of same Si, B content76PCSi22-XBXThe minimum cast temperature of alloy melt, establishes Fe76PCSi22-XBXAlloy melt is minimum to be poured
Cast temperature and Fe76PCSi22-XBXThe relationship of alloying component；Wherein, 6 kinds of Fe76PCSi22-XBXThe minimum casting of alloy melt
Temperature is 1150-1210 DEG C；
Step S2 selects Fe76PCSi22-XBXThe cast temperature of alloy melt, further according to Fe in step S176PCSi22-XBXAlloy is molten
The minimum cast temperature of body and the corresponding relationship of alloying component, alloying component required for selecting；Then by raw material according to described
It after alloying component proportion mixing, is melted using induction melting, the master alloy of selected alloying component is prepared into after refining；
After master alloy is melted, amorphous alloy strips are frozen into through being quickly cooled down.
3. a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material according to claim 1 or 2,
It is characterized in that, X value range 13-16.
4. a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material according to claim 1 or 2,
Be characterized in that, it is described master alloy is melted after, rapid cooling be frozen into amorphous alloy strips specific steps are as follows: by prepared mother
After alloy melting, alloy melt is carried out Overheating Treatment 1 hour at 1450 DEG C, is then down to the cast temperature of setting；By alloy
Melt is continuously pouring on high-speed rotating rapid cooling copper roller by nozzle, and the linear velocity of the copper roller surface is 25 meter per seconds, quilt
Quick solidification is at amorphous alloy ribbon.
5. a kind of method for reducing melt cast temperature and preparing iron-based amorphous alloy ribbon material according to claim 1 or 2,
It is characterized in that, the minimum pouring temperature is 1150 DEG C.
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