CN107377910B - A kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band - Google Patents
A kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band Download PDFInfo
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- CN107377910B CN107377910B CN201710663219.3A CN201710663219A CN107377910B CN 107377910 B CN107377910 B CN 107377910B CN 201710663219 A CN201710663219 A CN 201710663219A CN 107377910 B CN107377910 B CN 107377910B
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- 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
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- 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
- B22D11/0694—Accessories therefor for peeling-off or removing the cast product
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- 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
- B22D11/0697—Accessories therefor for casting in a protected atmosphere
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of anti-oxidation single roller rapid quenching techniques of iron silicon boron alloy band, it is melted the following steps are included: iron silicon boron alloy mother's ingot is placed in medium frequency induction melting furnace and is heated to 1350~1400 DEG C, alloy molten liquid is poured to the roll surface apex for pouring fast quenching list roller, alloy molten liquid is cooled into iron silicon boron alloy band on the roll surface of fast quenching list roller；The iron silicon boron alloy band on the roll surface of fast quenching list roller is separated with the roll surface of fast quenching list roller by alloy strip steel rolled stock material returned block；The roll surface of fast quenching list roller is 210 °~240 ° by the isolated radian that the apex for pouring leaching alloy molten liquid is rotated to iron silicon boron alloy band；Arc air blowing baffle is set on the outside of the roll surface of fast quenching list roller, is blown from the apex for pouring leaching alloy molten liquid into the gap between arc air blowing baffle and the roll surface of fast quenching list roller.The present invention can protect amorphous alloy magnetism band not aoxidized by the oxygen in air in cooling copper roller surface.
Description
Technical field
The present invention relates to a kind of amorphous alloy material fabricating technology field, especially a kind of iron silicon boron alloy band is anti-
Aoxidize single roller rapid quenching technique.
Background technique
Amorphous alloy material is a kind of relative to conventional crystal alloy material, a kind of material with diverse microcosmic structure,
Its technique for mainly passing through rapid condensation makes the atomic structure in amorphous alloy material in disorderly arranged, to make amorphous alloy material
Material has unique mechanical property, magnetic property, corrosion resistance and electric property etc..Amorphous alloy strips prepare when, need by
The aluminium alloy of melting is directly injected on circular cooling copper roller by high speed nozzle, and simultaneously quick refrigeration makes cooling copper roller high-speed rotation
Certain thickness amorphous alloy magnetism band is made in the aluminium alloy quick solidification forming of melting.But customary preparation methods are used,
Amorphous alloy magnetism band is easy to be aoxidized by the oxygen in air in cooling copper roller surface, to affect amorphous alloy magnetic
The microstructure of property band, so that the physical property of amorphous alloy magnetism band, magnetic force performance are greatly affected.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of anti-oxidation single roller rapid quenching works of iron silicon boron alloy band
Skill can protect amorphous alloy magnetism band not aoxidized by the oxygen in air in cooling copper roller surface.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band, comprising the following steps:
It is melted Step 1: iron silicon boron alloy mother's ingot is placed in medium frequency induction melting furnace and is heated to 1350~1400 DEG C
Melt, the element of following mass percent: element silicon 16%~18%, boron element 8%~11%, carbon member is contained in iron silicon boron alloy mother's ingot
Plain 2.0%~2.5%, the ferro element of chromium 1.7%~2.1%, aluminium element 1.5%~1.8%, manganese element 0.5%~0.8%, surplus；
Step 2: alloy molten liquid made from step 1, which is guided to alloy, as alloy molten liquid running channel is poured tundish
In, then alloy molten liquid is poured to the roll surface vertex for pouring fast quenching list roller by the alloy sprue gate that alloy is poured tundish bottom
Place, alloy molten liquid are cooled into iron silicon boron alloy band on the roll surface of fast quenching list roller；
Step 3: making the iron silicon boron alloy band and fast quenching list on the roll surface of fast quenching list roller by alloy strip steel rolled stock material returned block
The roll surface of roller separates；
The roll surface of fast quenching list roller is rotated by the apex for pouring leaching alloy molten liquid to the separation of iron silicon boron alloy band
Radian is 210 °~240 °；Arc air blowing baffle is set on the outside of the roll surface of fast quenching list roller, and the connection of arc air blowing baffle is poured leaching and closed
At the apex of golden molten liquid and the separation of iron silicon boron alloy band；It blows and keeps off to arc from the apex for pouring leaching alloy molten liquid
It blows in gap between plate and the roll surface of fast quenching list roller.
As a further improvement of the above technical scheme, the linear resonance surface velocity of fast quenching list roller is 42~45 meters per second, is adjusted
The teeming rate of molten alloy liquid makes amorphous alloy magnetism band obtained with a thickness of 35~50 microns, amorphous alloy magnetic obtained
Property strip width be 5~20 millimeters.
As a further improvement of the above technical scheme, to the gap between arc air blowing baffle and the roll surface of fast quenching list roller
Middle air blowing, institute's blowing is the mixed gas of carbon monoxide and carbon dioxide, and carbon monoxide referring in mixed gas accounts for
Than being 3%~5%, the wind speed of air blowing is 1.5~2.0 m/s.
As a further improvement of the above technical scheme, it is blown straight down by the top surface to iron silicon boron alloy band,
The iron silicon boron alloy ribbon motion direction for being detached from fast quenching list roller roll surface is set to become horizontal from tilting upward；Then iron silicon boron is closed again
The bottom surface of gold ribbon material is blown straight up, makes the direction of motion holding level of iron silicon boron alloy band until entering collection device.
As a further improvement of the above technical scheme, after iron silicon boron alloy band is detached from fast quenching list roller roll surface, to iron
The gas that the top and bottom of silicon boron alloy band are blown is the mixed gas of carbon monoxide and carbon dioxide, and carbon monoxide exists
Accounting is 0.5%~1.0% to referring in mixed gas.
Compared with prior art, the beneficial effects of the present invention are:
A kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band provided by the present invention, can protect amorphous alloy magnetic
Property band do not aoxidized by the oxygen in air in cooling copper roller surface, to keep amorphous alloy magnetism band microstructure
Stabilization so that the physical property of amorphous alloy magnetism band, magnetic force performance are more excellent；In addition, the present invention can both make iron silicon boron
Alloy strip steel rolled stock is not oxidized, and reduces the contact of iron silicon boron alloy band and other equipment, reduces surface abrasion, improves
The surface quality of iron silicon boron alloy band.
Specific embodiment
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
A kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band provided by the present embodiment, comprising the following steps:
It is melted Step 1: iron silicon boron alloy mother's ingot is placed in medium frequency induction melting furnace and is heated to 1350~1400 DEG C
Melt, the element of following mass percent: element silicon 16%~18%, boron element 8%~11%, carbon member is contained in iron silicon boron alloy mother's ingot
Plain 2.0%~2.5%, the ferro element of chromium 1.7%~2.1%, aluminium element 1.5%~1.8%, manganese element 0.5%~0.8%, surplus；
Step 2: alloy molten liquid made from step 1, which is guided to alloy, as alloy molten liquid running channel is poured tundish
In, then alloy molten liquid is poured to the roll surface vertex for pouring fast quenching list roller by the alloy sprue gate that alloy is poured tundish bottom
Place, alloy molten liquid are cooled into iron silicon boron alloy band on the roll surface of fast quenching list roller；The linear resonance surface velocity of fast quenching list roller is
42~45 meters per second, the teeming rate for adjusting molten alloy liquid keeps amorphous alloy magnetism band obtained micro- with a thickness of 35~50
Rice, amorphous alloy magnetism strip width obtained are 5~20 millimeters.
Step 3: making the iron silicon boron alloy band and fast quenching list on the roll surface of fast quenching list roller by alloy strip steel rolled stock material returned block
The roll surface of roller separates；
The roll surface of fast quenching list roller is rotated by the apex for pouring leaching alloy molten liquid to the separation of iron silicon boron alloy band
Radian is 210 °~240 °；Arc air blowing baffle is set on the outside of the roll surface of fast quenching list roller, and the connection of arc air blowing baffle is poured leaching and closed
At the apex of golden molten liquid and the separation of iron silicon boron alloy band；It blows and keeps off to arc from the apex for pouring leaching alloy molten liquid
It blows in gap between plate and the roll surface of fast quenching list roller；Specifically, between arc air blowing baffle and the roll surface of fast quenching list roller
Gap in blow, institute's blowing is the mixed gas of carbon monoxide and carbon dioxide, and carbon monoxide is in mixed gas
Refer to that accounting is 3%~5%, the wind speed of air blowing is 1.5~2.0 m/s.
Step 4: blowing straight down by the top surface to iron silicon boron alloy band, make the iron for being detached from fast quenching list roller roll surface
Silicon boron alloy ribbon motion direction becomes horizontal from tilting upward；Then the bottom surface of iron silicon boron alloy band is blown straight up again
Gas makes the direction of motion holding level of iron silicon boron alloy band until entering collection device；Specifically, in iron silicon boron alloy band
After being detached from fast quenching list roller roll surface, the gas blown the top and bottom of iron silicon boron alloy band is carbon monoxide and carbon dioxide
Mixed gas, and carbon monoxide in mixed gas referring to accounting be 0.5%~1.0%.
As soon as alloy molten liquid is flowed out from alloy casting tundish, in the mixed gas of carbon monoxide and carbon dioxide
In protection against oxidation atmosphere, therefore it can guarantee that the alloy molten liquid of high temperature will not be aoxidized by the oxygen in air；Alloy is molten
Melt liquid during being cooled into iron silicon boron alloy band on the roll surface of fast quenching list roller, as the roll surface of fast quenching list roller is by pouring leaching
The apex of alloy molten liquid is rotated to the separation of iron silicon boron alloy band, the radian during which moved across be 210 °~
240 °, also always by the carbon monoxide and dioxy in the roll surface gap of arc air blowing baffle and fast quenching list roller in this motion process
The mixed gas for changing carbon is protected.
The mixed gas of carbon monoxide and carbon dioxide is finally tangentially moved from separation place of iron silicon boron alloy band, together
When be detached from fast quenching list roller roll surface iron silicon boron alloy ribbon motion direction with protect the gas direction of motion it is consistent, then again by protection gas
Iron silicon boron alloy band is blown, to change the direction of motion, then avoids iron silicon boron alloy band from falling by protection air bearing support, it both can be with
Keep iron silicon boron alloy band not oxidized, and reduce the contact of iron silicon boron alloy band and other equipment, reduces surface mill
Damage, improves the surface quality of iron silicon boron alloy band.
Preferable implementation of the invention is illustrated above, certainly, the present invention can also use and above-mentioned implementation
The different form of mode, those skilled in the art's made equivalent transformation on the premise of without prejudice to spirit of the invention
Or corresponding change, all it should belong in protection scope of the present invention.
Claims (3)
1. a kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band, which comprises the following steps:
It is melted Step 1: iron silicon boron alloy mother's ingot is placed in medium frequency induction melting furnace and is heated to 1350~1400 DEG C, iron
Contain the element of following mass percent: element silicon 16%~18%, boron element 8%~11%, carbon member in silicon boron alloy mother's ingot
Plain 2.0%~2.5%, chromium 1.7%~2.1%, aluminium element 1.5%~1.8%, manganese element 0.5%~0.8%, surplus
Ferro element；
It is poured in tundish Step 2: alloy molten liquid made from step 1 is guided to alloy as alloy molten liquid running channel,
Alloy molten liquid is poured to by the alloy sprue gate that alloy is poured tundish bottom the roll surface apex for pouring fast quenching list roller again, is closed
Golden molten liquid is cooled into iron silicon boron alloy band on the roll surface of fast quenching list roller；
It is characterized in that, the step of rapid quenching technique three are as follows: made on the roll surface of fast quenching list roller by alloy strip steel rolled stock material returned block
Iron silicon boron alloy band is separated with the roll surface of fast quenching list roller；The roll surface of fast quenching list roller is rotated by the apex for pouring leaching alloy molten liquid
Radian to the separation of iron silicon boron alloy band is 210 °~240 °；Arc air blowing gear is set on the outside of the roll surface of fast quenching list roller
Plate, the connection of arc air blowing baffle are poured at the separation of the apex and iron silicon boron alloy band of leaching alloy molten liquid；From pouring leaching alloy
The apex of molten liquid is blown into the gap between arc air blowing baffle and the roll surface of fast quenching list roller, and institute's blowing is an oxidation
The mixed gas of carbon and carbon dioxide, and volume accounting of the carbon monoxide in mixed gas is 3%~5%, the wind speed of air blowing
It for 1.5~2.0m/s, is blown straight down by the top surface to iron silicon boron alloy band, makes the iron silicon for being detached from fast quenching list roller roll surface
Boron alloy ribbon motion direction becomes horizontal from tilting upward；Then the bottom surface of iron silicon boron alloy band is blown straight up again
Gas makes the direction of motion holding level of iron silicon boron alloy band until entering collection device.
2. a kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band according to claim 1, it is characterised in that: fast quenching
The linear resonance surface velocity of single roller is 42~45 meters per second, and the teeming rate for adjusting molten alloy liquid makes amorphous alloy magnetic recording tape obtained
For material with a thickness of 35~50 microns, amorphous alloy magnetism strip width obtained is 5~20 millimeters.
3. a kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band according to claim 1, it is characterised in that: in iron
After silicon boron alloy band is detached from fast quenching list roller roll surface, the gas blown the top and bottom of iron silicon boron alloy band is an oxidation
The mixed gas of carbon and carbon dioxide, and accounting is 0.5%~1.0% to carbon monoxide referring in mixed gas.
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| CN201710663219.3A CN107377910B (en) | 2017-08-05 | 2017-08-05 | A kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band |
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| CN201710663219.3A CN107377910B (en) | 2017-08-05 | 2017-08-05 | A kind of anti-oxidation single roller rapid quenching technique of iron silicon boron alloy band |
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| CN107377910B true CN107377910B (en) | 2019-05-28 |
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| JPH11138239A (en) * | 1997-09-02 | 1999-05-25 | Alps Electric Co Ltd | Apparatus for producing metallic strip |
| EP1880782B1 (en) * | 2000-10-06 | 2015-01-07 | Santoku Corporation | A method for evaluating a raw alloy for a magnet |
| KR101316914B1 (en) * | 2011-11-30 | 2013-10-18 | 재단법인 포항산업과학연구원 | Air blocking apparatus for manufacturing amorphous strip or ribbon |
| CN102732811A (en) * | 2012-06-21 | 2012-10-17 | 四川大学苏州研究院 | High-saturated magnetization intensity Fe-based amorphous nanocrystalline soft magnetic alloy and its preparation method |
| CN103290342B (en) * | 2013-06-19 | 2015-09-02 | 天津非晶科技有限公司 | Fe base noncrystal alloy and preparation method thereof |
| CN104975241A (en) * | 2015-06-24 | 2015-10-14 | 孙桂芝 | Manufacturing method for amorphous alloy strip |
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Effective date of registration: 20190430 Address after: 221000 No. 8 Huangshan Road, Wuxi-Xinyi Industrial Park, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: Jiangsu Xuanyuan Special Materials Technology Co., Ltd. Address before: 241080 No. 1 Xiajiahu Road, Sanshan Economic Development Zone, Wuhu City, Anhui Province Applicant before: Wuhu Jun Hua materials Co., Ltd. |
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