CN107385363A - A kind of Fe-based amorphous broadband and preparation method thereof - Google Patents
A kind of Fe-based amorphous broadband and preparation method thereof Download PDFInfo
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- CN107385363A CN107385363A CN201710578522.3A CN201710578522A CN107385363A CN 107385363 A CN107385363 A CN 107385363A CN 201710578522 A CN201710578522 A CN 201710578522A CN 107385363 A CN107385363 A CN 107385363A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000002844 melting Methods 0.000 claims abstract description 20
- 230000008018 melting Effects 0.000 claims abstract description 20
- 238000003723 Smelting Methods 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 37
- 239000007921 spray Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 21
- 239000010453 quartz Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 8
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000007796 conventional method Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 229910001325 element alloy Inorganic materials 0.000 abstract description 2
- 239000005300 metallic glass Substances 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000011573 trace mineral Substances 0.000 abstract description 2
- 235000013619 trace mineral Nutrition 0.000 abstract description 2
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
-
- 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
- B22D11/0637—Accessories therefor
- B22D11/064—Accessories therefor for supplying molten metal
- B22D11/0642—Nozzles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/003—Making ferrous alloys making amorphous alloys
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The present invention relates to non-crystaline amorphous metal processing technique field, there is provided a kind of preparation method in Fe-based amorphous broadband, comprises the following steps：(1) dispensing；(2) melting；(3) ingot processed；(4) secondary smelting；(5) band is sprayed；(6) it is heat-treated.A kind of preparation method in Fe-based amorphous broadband provided by the invention, the molten steel of smelting is less than conventional method impurity, and molten steel is purer, and composition and temperature homogeneity are more excellent, strip surface projection, acicular pores, scratch etc. can be effectively reduced, produces the Amorphous Wide Ribbon of strip surface uniformity；And start with from the composition design in band preparation process and smelting link, the composition range of pivot element alloy for making band keep fine magnetic property is determined first, and appropriate trace element is added on this basis, obtained amorphous band its brittle degree after magnetic-field heat treatment significantly reduces, band can be made to keep fine magnetic property, obtained Amorphous Wide Ribbon its brittle degree after magnetic-field heat treatment significantly reduces.
Description
Technical field
The present invention relates to non-crystaline amorphous metal processing technique field, more particularly to a kind of preparation method in Fe-based amorphous broadband.
Background technology
Fe-based amorphous alloy is usually used as a kind of novel green, the energy-conservation new material developed rapidly in recent years
Flash set technology, its preparation technology are：Each raw material of specific alloy components containing are passed through into melting, then by the iron of the condition of high temperature
The controls such as liquid level, temperature of the water by spraying bag are ejected on the chill roll rotated at a high speed, are made with 106 DEG C of cooling velocity chilling
It is less than 0.03mm amorphous thin ribbon into thickness.
Problems be present in the equipment and technique of existing production iron-based amorphous-alloy broadband.Molten steel liquid level is floated in spray bag
Greatly, the molten steel speed that nozzle ejects is unstable, causes weld pool unstable, cause band into band rate, zone face apparent form
All undesirable, such band consistency of performance is poor, lamination coefficient is low；Molten steel is handled clean again when smelting in spray bag
Also can remaining influence spray band minute impurities particle, and spray bag impurity can be also separated out in the contact process with molten steel, these
Impurity meeting plug nozzle when spraying band causes flash, not into band, or even the generation of the bad phenomenon such as vexed bag.Fe-based amorphous wide-band system
Preparation Method or spray carrying device cause ferrous alloy broadband low into band rate, lamination coefficient, are unfavorable for large quantities of because of the defects of itself existing
Measure production operation.Moreover, existing amorphous alloy material is hard and crisp.Iron-based amorphous alloy ribbon material especially through Overheating Treatment,
Brittle degree is especially high, Fe-based amorphous alloy by suitable heat treatment temperature will recurring structure relaxation, material itself knot
Small structural rearrangement will occur for the atom of structure, make internal structure more stable, the Fe-based amorphous alloy planted agent through Overheating Treatment
Power reduces, it may appear that serious brittle phenomenon.
Therefore, how the preparation method in existing Fe-based amorphous broadband is improved, it is this it is overcome drawbacks described above
An art personnel problem urgently to be resolved hurrily.
The content of the invention
In view of the above-mentioned state of the art, the technical problems to be solved by the invention are to provide a kind of Fe-based amorphous width
Band and preparation method thereof, can effectively reduce strip surface projection, acicular pores, scratch etc., produce strip surface uniformity
Amorphous Wide Ribbon, and band can be made to keep fine magnetic property, obtained Amorphous Wide Ribbon its brittle degree after magnetic-field heat treatment shows
Writing reduces.
Technical scheme is used by the present invention solves above-mentioned technical problem：
A kind of Fe-based amorphous broadband, the alloy expression formula in the Fe-based amorphous broadband is FeaSibBcMndMe, its a 77-
84at%, b 0-11at%, c 8-20at%, d 0.001-6at%, e 0.001-8at%, wherein M be Cr, Ni, V, W, Ti,
One or more in Mo, Zn, Nb, P, O.
A kind of preparation method in above-mentioned Fe-based amorphous broadband, comprises the following steps：
(1) dispensing：Dispensing is carried out by the atom percentage content of each component in the Fe-based amorphous broadband alloy expression formula；
(2) melting：Raw material in step (1) is put into vaccum sensitive stove, by vacuum induction stove evacuation, to vacuum
Less than 1Pa, first melting Ti ingots are to absorb the oxygen and other impurities in stove before master alloy melting, so that melting is further purified
Atmosphere, in order to which melting is uniform, by raw material melting 3~5 times to being completely melt；
(3) ingot processed：The raw material of fusing is at the uniform velocity poured into ingot mould, is cooled to normal temperature, foundry alloy steel ingot is made；
(4) secondary smelting：Foundry alloy steel ingot is put into insulated bag at ambient pressure and carries out secondary smelting, and the steel that will be obtained
Liquid is incubated in insulated bag, is calm, is protected in insulated bag by Frequency Induction Heating；
(5) band is sprayed：Nozzle slit width 0.5mm, 100~200mm of bandwidth, after pressure spray bag temperature is heated to 1300 DEG C, guarantor
Molten steel in thermometer bulb is poured into pressure spray bag, and pressure spray bag is provided with quartz cover, and quartz cover is the steel being poured into pressure spray bag
Liquid is held, and the negative pressure of quartz cover is -30~-90kPa, and after molten steel reaches predetermined fluid level, negative pressure is changed into malleation value, the malleation value
Being continuously added with molten steel of the liquid-level pressure value sum control in 0.2~0.8MPa, insulated bag in pressure spray bag makes in quartz cover
Liquid level and malleation value keep it is constant, after molten steel in insulated bag to the greatest extent after, spray bag in malleation value according to liquid level change setting pressure
Power change formula adjustment, to keep liquid-level pressure value in quartz cover and malleation value constant, holding malleation value and liquid-level pressure value
Sum keeps constant, under the effect of the pressure, sprays to obtain band from nozzle, wherein, predetermined fluid level is highly 400mm；
(6) it is heat-treated：The band obtained in the step (5) is subjected to magnetic-field heat treatment at a temperature of 350 DEG C.
Preferably, in the step (5), malleation value and liquid-level pressure value sum are 0.68MPa.
Preferably, band tests its iron loss and exciting power after magnetic-field heat treatment annealing in the step (6).
Preferably, the band after magnetic-field heat treatment in the step (6) is subjected to brittle test.
Preferably, brittle test of the progress is specially：Band after taking-up magnetic-field heat treatment, the ball in planetary ball mill
1 hour is ground, respectively with 300 mesh sieves, calculates the sieving rate of the band.
Using technical scheme provided by the invention, compared with prior art, have the advantages that：
A kind of Fe-based amorphous broadband of the present invention and preparation method thereof, the molten steel of smelting is less than conventional method impurity, steel
Liquid is purer, and composition and temperature homogeneity are more excellent, can effectively reduce strip surface projection, acicular pores, scratch etc., produce band
The Amorphous Wide Ribbon of surface uniformity；And start with from the composition design in band preparation process and smelting link, it is first determined make
Band keeps the composition range of the pivot element alloy of fine magnetic property, and adds appropriate trace element on this basis, made
The amorphous band obtained its brittle degree after magnetic-field heat treatment is significantly reduced, and band can be made to keep fine magnetic property, obtained
Amorphous Wide Ribbon its brittle degree after magnetic-field heat treatment significantly reduces.
Embodiment
To make to have the present invention further understanding and understanding, it is described in detail, illustrates such as to preferred embodiment
Under：
A kind of Fe-based amorphous broadband, as the improvement of the present invention, the alloy expression formula in Fe-based amorphous broadband is
FeaSibBcMndMe, its a 77-84at%, b 0-11at%, c 8-20at%, d 0.001-6at%, e 0.001-8at%,
Wherein M is the one or more in Cr, Ni, V, W, Ti, Mo, Zn, Nb, P, O.
A kind of preparation method in above-mentioned Fe-based amorphous broadband, as the improvement of the present invention, comprise the following steps：
(1) dispensing：Dispensing is carried out by the atom percentage content of each component in the Fe-based amorphous broadband alloy expression formula；
(2) melting：Raw material in step (1) is put into vaccum sensitive stove, by vacuum induction stove evacuation, to vacuum
Less than 1Pa, first melting Ti ingots are to absorb the oxygen and other impurities in stove before master alloy melting, so that melting is further purified
Atmosphere, in order to which melting is uniform, by raw material melting 3~5 times to being completely melt；
(3) ingot processed：The raw material of fusing is at the uniform velocity poured into ingot mould, is cooled to normal temperature, foundry alloy steel ingot is made；
(4) secondary smelting：Foundry alloy steel ingot is put into insulated bag at ambient pressure and carries out secondary smelting, and the steel that will be obtained
Liquid is incubated in insulated bag, is calm, is protected in insulated bag by Frequency Induction Heating；
(5) band is sprayed：Nozzle slit width 0.5mm, 100~200mm of bandwidth, after pressure spray bag temperature is heated to 1300 DEG C, guarantor
Molten steel in thermometer bulb is poured into pressure spray bag, and pressure spray bag is provided with quartz cover, and quartz cover is the steel being poured into pressure spray bag
Liquid is held, and the negative pressure of quartz cover is -30~-90kPa, and after molten steel reaches predetermined fluid level, negative pressure is changed into malleation value, the malleation value
With the control of liquid-level pressure value sum in 0.2~0.8MPa, keep liquid level in quartz cover and malleation value constant, keep malleation value and
Liquid-level pressure value sum keeps constant, under the effect of the pressure, sprays to obtain band from nozzle, wherein, predetermined fluid level is highly
400mm；
(6) it is heat-treated：The band obtained in the step (5) is subjected to magnetic-field heat treatment at a temperature of 350 DEG C.
As further improvement of the present invention, in step (5), malleation value and liquid-level pressure value sum are 0.68MPa.Step
Suddenly band tests its iron loss and exciting power after magnetic-field heat treatment annealing in (6).Band in step (6) after magnetic-field heat treatment
Carry out brittle test.Carrying out brittle test is specially：Band after taking-up magnetic-field heat treatment, ball milling 1 in planetary ball mill
Hour, respectively with 300 mesh sieves, calculate the sieving rate of the band.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of skill in the art that it still can be right
Technical scheme described in previous embodiment is modified, or which part technical characteristic is replaced on an equal basis；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a kind of Fe-based amorphous broadband, it is characterised in that the alloy expression formula in the Fe-based amorphous broadband is FeaSibBcMndMe,
Its a 77-84at%, b 0-11at%, c 8-20at%, d 0.001-6at%, e 0.001-8at%, wherein M be Cr, Ni,
V, the one or more in W, Ti, Mo, Zn, Nb, P, O.
2. the preparation method in a kind of Fe-based amorphous broadband described in claim 1, it is characterised in that comprise the following steps：
(1) dispensing：Dispensing is carried out by the atom percentage content of each component in the Fe-based amorphous broadband alloy expression formula；
(2) melting：Raw material in step (1) is put into vaccum sensitive stove, vacuum induction stove evacuation is less than to vacuum
1Pa, first melting Ti ingots are to absorb the oxygen and other impurities in stove before master alloy melting, so that melting gas is further purified
Atmosphere, in order to which melting is uniform, by raw material melting 3~5 times to being completely melt；
(3) ingot processed：The raw material of fusing is at the uniform velocity poured into ingot mould, is cooled to normal temperature, foundry alloy steel ingot is made；
(4) secondary smelting：Foundry alloy steel ingot is put into insulated bag at ambient pressure and carries out secondary smelting, and obtained molten steel is existed
Insulation, calmness in insulated bag, insulated bag is interior to be protected by Frequency Induction Heating；
(5) band is sprayed：Nozzle slit width 0.5mm, 100~200mm of bandwidth, after pressure spray bag temperature is heated to 1300 DEG C, insulated bag
Interior molten steel is poured into pressure spray bag, and pressure spray bag is provided with quartz cover, and quartz cover inhales the molten steel being poured into pressure spray bag
Firmly, the negative pressure of quartz cover is -30~-90kPa, and after molten steel reaches predetermined fluid level, negative pressure is changed into malleation value, the malleation value and liquid
Liquid-level pressure value and malleation of the position pressure value sum control in 0.2~0.8MPa, holding quartz cover are worth constant, holding malleation value
Keep constant with liquid-level pressure value sum, under the effect of the pressure, spray to obtain band from nozzle, wherein, predetermined fluid level height
For 400mm；
(6) it is heat-treated：The band obtained in the step (5) is subjected to magnetic-field heat treatment at a temperature of 350 DEG C.
A kind of 3. preparation method in Fe-based amorphous broadband according to claim 2, it is characterised in that in the step (5),
Malleation value and liquid-level pressure value sum are 0.68MPa.
4. the preparation method in a kind of Fe-based amorphous broadband according to claim 2, it is characterised in that in the step (6)
Band tests its iron loss and exciting power after magnetic-field heat treatment annealing.
5. the preparation method in a kind of Fe-based amorphous broadband according to claim 2, it is characterised in that by the step (6)
Band after middle magnetic-field heat treatment carries out brittle test.
6. the preparation method in a kind of Fe-based amorphous broadband according to claim 5, it is characterised in that described to carry out brittle survey
Examination is specially：Take out band after magnetic-field heat treatment, 1 hour of ball milling in planetary ball mill, respectively with 300 mesh sieves,
Calculate the sieving rate of the band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578522.3A CN107385363A (en) | 2017-07-09 | 2017-07-09 | A kind of Fe-based amorphous broadband and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710578522.3A CN107385363A (en) | 2017-07-09 | 2017-07-09 | A kind of Fe-based amorphous broadband and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107385363A true CN107385363A (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710578522.3A Pending CN107385363A (en) | 2017-07-09 | 2017-07-09 | A kind of Fe-based amorphous broadband and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0417649A (en) * | 1990-05-09 | 1992-01-22 | Mitsubishi Electric Corp | Iron-base low magnetostriction amorphous alloy |
| CN103938127A (en) * | 2014-04-23 | 2014-07-23 | 兆晶股份有限公司 | Method for preparing iron-based amorphous broadband |
-
2017
- 2017-07-09 CN CN201710578522.3A patent/CN107385363A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0417649A (en) * | 1990-05-09 | 1992-01-22 | Mitsubishi Electric Corp | Iron-base low magnetostriction amorphous alloy |
| CN103938127A (en) * | 2014-04-23 | 2014-07-23 | 兆晶股份有限公司 | Method for preparing iron-based amorphous broadband |
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Effective date of registration: 20190404 Address after: 315301 Xinxing Avenue, Zonghan Street, Xinxing Industrial Cluster District, Cixi City, Ningbo City, Zhejiang Province, 88 Applicant after: Zhejiang Zhaojing Electrical Technology Co., Ltd. Address before: 315301 No. 88 Xinxing Avenue, Cixi High-tech Zone, Ningbo City, Zhejiang Province Applicant before: ZHAOJING CO., LTD. |
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