CN102021446A - Method for manufacturing aluminum-alloy double-zero aluminum foil - Google Patents
Method for manufacturing aluminum-alloy double-zero aluminum foil Download PDFInfo
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Abstract
The invention discloses a method for manufacturing an aluminum-alloy double-zero aluminum foil, and the prepared aluminum foil comprises the following compositions in percentage by weight: 0.40 to 0.60 percent of Si, 0.40 to 0.60 percent of Fe, less than or equal to 0.05 percent of Cu, less than or equal to 0.05 percent of Mn, less than or equal to 0.05 percent of Mg, less than or equal to 0.05 percent of Cr, less than or equal to 0.2 percent of Zn, less than or equal to 0.1 percent of Ti, and the balance of Al. The method disclosed by the invention has the advantages that the compounds in the aluminum foil prepared by using the method disclosed by the invention are appropriate in size and are spherical, and evenly distributed; and the aluminum foil is less in the number of pinhole and good in mechanical performance.
Description
Technical field
The present invention relates to a kind of aluminum alloy materials, two zero paper tinsel and the manufacture method thereof of particularly a kind of aluminium alloy.
Background technology
Along with the raising day by day of people's living standard, the fields such as food, beverage, milk preparation, medicine, daily use chemicals, electronic product that are applied in of double-zero aluminum foil are developed rapidly.Reducing of aluminum foil thickness makes size, shape and the distribution of the compound in the aluminium foil very big influence of pinhole number existence to aluminium foil.Compound size is big more, easy more formation pin hole, and compound presents bar-shaped needle-like, also forms pin hole easily.Compound distributes along crystal boundary, and the unit elongation of two zero paper tinsels of infringement makes its mechanical property variation easily.Therefore, in the production technique of double-zero aluminum foil, need control compound size, shape, compound is evenly distributed,, improve mechanical property, improve aluminium foil quality to reduce the pinhole number of aluminium foil.
Summary of the invention
The method of manufacturing technology that the purpose of this invention is to provide a kind of aluminum alloy materials and double-zero aluminum foil, the double-zero aluminum foil quality of using this processing method to obtain is good, and the compound size is fit to the spherical in shape and uniform distribution of shape in the aluminium foil, the pinhole number of aluminium foil is few, good mechanical performance.
Technical scheme of the present invention is:
The composition and the weight percent of aluminum alloy materials are as follows:
Si:0.40-0.60%; Fe:0.40-0.60%; Cu :≤0.05%; Mn :≤0.05%; Mg :≤0.05%; Cr :≤0.05%; Zn :≤0.2%; Ti :≤0.1%; Al: surplus.
Wherein, the content ratio of the content of described Fe and Si is: Fe/Si=0.7-1.5.
The manufacture method of two zero paper tinsels of aluminium alloy of the present invention, manufacturing step is as follows:
A, melting: the aluminum alloy materials of described composition is carried out melting in proportion;
B, casting: casting becomes the casting plate of 6-10mm;
C, cold rolling: be cold-rolled to interior thickness, interior thickness is 0.20-1.2mm, carries out process annealing in the time of 460-495 ℃, and is incubated 3-5 hour;
D, paper tinsel roll: the work in-process aluminium foil that cold rolling step gained aluminium foil stock is rolled to 0.013-0.018mm, carry out recovery annealing at 160-180 ℃, and be incubated 4-10 hour, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.005-0.007mm;
E, finished products: under 190-240 ℃ of condition, carry out finished products, and be incubated 20-60 hour.
The double-zero aluminum foil that the manufacture method of aluminum alloy materials of the present invention and double-zero aluminum foil obtains, pinhole number is few, and compound is evenly distributed in the aluminium foil, tensile strength height, unit elongation height, good mechanical performance, aluminium foil good product quality.Double-zero aluminum foil manufacture method of the present invention adopts three times annealing process, and wherein, the process annealing temperature is 460-495 ℃, and advantage is as follows: 1. crystal grain generation recrystallize, recover plasticity; 2. promote diffusion, eliminate or the minimizing component segregation; 3. promote to form compound tiny, spherical, that be evenly distributed, the size of this compound is 1-4 μ m, and no compound is in the poly-partially phenomenon of crystal boundary.The recovery annealing temperature is 160-180 ℃, and advantage is as follows: compound is further separated out, and has reduced tensile strength, and not only available less rolling load is rolled to 0.005-0.007mm with aluminium foil, and owing to recover plasticity, it is easier to be out of shape, and pinhole number still less.
Embodiment
Below in conjunction with specific embodiment technical solution of the present invention is done further detailed description, but embodiments of the present invention are not limited thereto.
Embodiment 1
The moiety of aluminum alloy materials and weight percent are: Si:0.40%; Fe:0.6%; Cu:0.05%; Mn:0.05%; Mg:0.05%; Cr:0.05%; Zn:0.2%; Ti:0.1%; Al: surplus.
The impurity element total amount is no more than 0.15% of gross weight in the component, and wherein, single impurity element is no more than 0.05% of gross weight.
The two zero paper tinsel manufacturing technology steps of the aluminium alloy of present embodiment are as follows:
A, melting: the al alloy component of aforementioned proportion is carried out melting, and melting must be accomplished degasification, slagging-off totally, stirs;
B, casting: adopt two roller continuous casting rolling technologies, casting becomes the casting plate of 6mm;
C, cold rolling: be cold-rolled to interior thickness 0.20mm, in the time of 460 ℃, carry out process annealing, be incubated 3 hours;
D, paper tinsel roll: the aluminium foil stock of cold rolling step through 4 passages, is rolled to the work in-process aluminium foil of 0.013mm, carries out recovery annealing at 165 ℃, be incubated 4 hours, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.0065mm;
E, finished products: under 190 ℃ of conditions, carry out finished products, and be incubated 60 hours.
Embodiment 2
The moiety of aluminum alloy materials and weight percent are: Si:0.60%; Fe:0.42%; Cu:0.03%; Mn:0.02%; Mg:0.05%; Cr:0.02%; Zn:0.1%; Ti:0.05%; Al: surplus.
The impurity element total amount is no more than 0.15% of gross weight in the component, and wherein, single impurity element is no more than 0.05% of gross weight.
The two zero paper tinsel manufacturing technology steps of the aluminium alloy of present embodiment are as follows:
A, melting: the al alloy component of aforementioned proportion is carried out melting, and melting must be accomplished degasification, slagging-off totally, stirs;
B, casting: adopt two roller continuous casting rolling technologies, casting becomes the casting plate of 10mm;
C, cold rolling: be cold-rolled to interior thickness 1.20mm, in the time of 495 ℃, carry out process annealing, be incubated 5 hours;
D, paper tinsel roll: the aluminium foil stock of cold rolling step through 5 passages, is rolled to the work in-process aluminium foil of 0.018mm, carries out recovery annealing at 170 ℃, be incubated 10 hours, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.007mm;
E, finished products: under 200 ℃ of conditions, carry out finished products, and be incubated 50 hours.
Embodiment 3
The moiety of aluminum alloy materials and weight percent are: Si:0.50%; Fe:0.50%; Cu:0.02%; Mn:0.04%; Mg:0.03%; Cr:0.01%; Zn:0.05%; Ti:0.08%; Al: surplus.
The impurity element total amount is no more than 0.15% of gross weight in the component, and wherein, single impurity element is no more than 0.05% of gross weight.
The two zero paper tinsel manufacturing technology steps of the aluminium alloy of present embodiment are as follows:
A, melting: the al alloy component of aforementioned proportion is carried out melting, and melting must be accomplished degasification, slagging-off totally, stirs;
B, casting: adopt two roller continuous casting rolling technologies, casting becomes the casting plate of 7mm;
C, cold rolling: be cold-rolled to interior thickness 0.50mm, in the time of 470 ℃, carry out process annealing, be incubated 4 hours;
D, paper tinsel roll: the aluminium foil stock of cold rolling step through 5 passages, is rolled to the work in-process aluminium foil of 0.015mm, carries out recovery annealing at 175 ℃, be incubated 6 hours, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.005mm;
E, finished products: under 210 ℃ of conditions, carry out finished products, and be incubated 40 hours.
Embodiment 4
The moiety of aluminum alloy materials and weight percent are: Si:0.45%; Fe:0.40%; Cu:0.01%; Mn:0.03%; Mg:0.02%; Cr:0.04%; Zn:0.15%; Ti:0.01%; Al: surplus.
The impurity element total amount is no more than 0.15% of gross weight in the component, and wherein, single impurity element is no more than 0.05% of gross weight.
The two zero paper tinsel manufacturing technology steps of the aluminium alloy of present embodiment are as follows:
A, melting: the al alloy component of aforementioned proportion is carried out melting, and melting must be accomplished degasification, slagging-off totally, stirs;
B, casting: adopt two roller continuous casting rolling technologies, casting becomes the casting plate of 8mm;
C, cold rolling: be cold-rolled to interior thickness 1.0mm, in the time of 480 ℃, carry out process annealing, be incubated 3.5 hours;
D, paper tinsel roll: the aluminium foil stock of cold rolling step through 4 passages, is rolled to the work in-process aluminium foil of 0.016mm, carries out recovery annealing at 180 ℃, be incubated 8 hours, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.0055mm;
E, finished products: under 225 ℃ of conditions, carry out finished products, and be incubated 30 hours.
Embodiment 5
The moiety of aluminum alloy materials and weight percent are: Si:0.48%; Fe:0.58%; Cu:0.02%; Mn:0.04%; Mg:0.01%; Cr:0.03%; Zn:0.08%; Ti:0.02%; Al: surplus.
The impurity element total amount is no more than 0.15% of gross weight in the component, and wherein, single impurity element is no more than 0.05% of gross weight.
The two zero paper tinsel manufacturing technology steps of the aluminium alloy of present embodiment are as follows:
A, melting: the al alloy component of aforementioned proportion is carried out melting, and melting must be accomplished degasification, slagging-off totally, stirs;
B, casting: adopt two roller continuous casting rolling technologies, casting becomes the casting plate of 9mm;
C, cold rolling: be cold-rolled to interior thickness 0.40mm, in the time of 490 ℃, carry out process annealing, be incubated 4.5 hours;
D, paper tinsel roll: the aluminium foil stock of cold rolling step through 4 passages, is rolled to the work in-process aluminium foil of 0.017mm, carries out recovery annealing at 178 ℃, be incubated 5 hours, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.006mm;
E, finished products: under 240 ℃ of conditions, carry out finished products, and be incubated 20 hours.
Embodiment 6
The moiety of aluminum alloy materials and weight percent are: Si:0.55%; Fe:0.54%; Cu:0.04%; Mn:0.01%; Mg:0.02%; Cr:0.05%; Zn:0.03%; Ti:0.06%; Al: surplus.
The impurity element total amount is no more than 0.15% of gross weight in the component, and wherein, single impurity element is no more than 0.05% of gross weight.
The two zero paper tinsel manufacturing technology steps of the aluminium alloy of present embodiment are as follows:
A, melting: the al alloy component of aforementioned proportion is carried out melting, and melting must be accomplished degasification, slagging-off totally, stirs;
B, casting: adopt two roller continuous casting rolling technologies, casting becomes the casting plate of 7.5mm;
C, cold rolling: be cold-rolled to interior thickness 0.80mm, in the time of 475 ℃, carry out process annealing, be incubated 5 hours;
D, paper tinsel roll: the aluminium foil stock of previous step through 5 passages, is rolled to the work in-process aluminium foil of 0.014mm, carries out recovery annealing at 160 ℃, be incubated 7 hours, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.006mm;
E, finished products: under 215 ℃ of conditions, carry out finished products, and be incubated 35 hours.
Embodiment 7
The moiety of aluminum alloy materials and weight percent are: Si:0.6%; Fe:0.6%; Cu:0.03%; Mn:0.02%; Mg:0.01%; Cr:0.05%; Zn:0.12%; Ti:0.07%; Al: surplus.
The impurity element total amount is no more than 0.15% of gross weight in the component, and wherein, single impurity element is no more than 0.05% of gross weight.
The two zero paper tinsel manufacturing technology steps of the aluminium alloy of present embodiment are as follows:
A, melting: the al alloy component of aforementioned proportion is carried out melting, and melting must be accomplished degasification, slagging-off totally, stirs;
B, casting: adopt two roller continuous casting rolling technologies, casting becomes the casting plate of 9.5mm;
C, cold rolling: be cold-rolled to interior thickness 0.60mm, in the time of 465 ℃, carry out process annealing, be incubated 5 hours;
D, paper tinsel roll: the aluminium foil stock of cold rolling step through 4 passages, is rolled to the work in-process aluminium foil of 0.015mm, carries out recovery annealing at 163 ℃, be incubated 9 hours, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.0058mm;
E, finished products: under 220 ℃ of conditions, carry out finished products, and be incubated 32 hours.
Embodiment 8
The moiety of aluminum alloy materials and weight percent are: Si:0.42%; Fe:0.57%; Cu:0.01%; Mn:0.02%; Mg:0.02%; Cr:0.03%; Zn:0.18%; Ti:0.09%; Al: surplus.
The impurity element total amount is no more than 0.15% of gross weight in the component, and wherein, single impurity element is no more than 0.05% of gross weight.
The two zero paper tinsel manufacturing technology steps of the aluminium alloy of present embodiment are as follows:
A, melting: the al alloy component of aforementioned proportion is carried out melting, and melting must be accomplished degasification, slagging-off totally, stirs;
B, casting: adopt two roller continuous casting rolling technologies, casting becomes the casting plate of 8.5mm;
C, cold rolling: be cold-rolled to interior thickness 1.10mm, in the time of 485 ℃, carry out process annealing, be incubated 3 hours;
D, paper tinsel roll: the aluminium foil stock of cold rolling step through 4 passages, is rolled to the work in-process aluminium foil of 0.014mm, carries out recovery annealing at 172 ℃, be incubated 6 hours, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, being rolled to thickness is the finished product aluminium foil of 0.006mm;
E, finished products: under 230 ℃ of conditions, carry out finished products, and be incubated 25 hours.
Claims (3)
1. aluminum alloy materials, it is characterized in that: its composition and weight percent are as follows:
Si:0.40-0.60%; Fe:0.40-0.60%; Cu :≤0.05%; Mn :≤0.05%; Mg :≤0.05%; Cr :≤0.05%; Zn :≤0.2%; Ti :≤0.1%; Al: surplus.
2. aluminum alloy materials according to claim 1 is characterized in that the content of described Fe and the content ratio of Si are: Fe/Si=0.7-1.5.
3. the manufacture method of two zero paper tinsels of an aluminium alloy, it is characterized in that: manufacturing step is as follows:
A, melting: the aluminum alloy materials of the described composition of claim 2 is carried out melting;
B, casting: casting becomes the casting plate of 6-10mm;
C, cold rolling: be cold-rolled to interior thickness, interior thickness is 0.20-1.2mm, carries out process annealing at 460-495 ℃, and is incubated 3-5 hour;
D, paper tinsel roll: the work in-process aluminium foil that cold rolling step gained aluminium foil stock is rolled to 0.013-0.018mm, carry out recovery annealing at 160-180 ℃, and be incubated 4-10 hour, then 2 gained work in-process aluminium foils are lumped together, carry out the secondary paper tinsel and roll, be rolled to the finished product aluminium foil of 0.005-0.007mm;
E, finished products: under 190-240 ℃ of condition, carry out finished products, and be incubated 20-60 hour.
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| CN 201010598185 CN102021446A (en) | 2010-12-21 | 2010-12-21 | Method for manufacturing aluminum-alloy double-zero aluminum foil |
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| CN 201010598185 CN102021446A (en) | 2010-12-21 | 2010-12-21 | Method for manufacturing aluminum-alloy double-zero aluminum foil |
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| CN102329990A (en) * | 2011-07-30 | 2012-01-25 | 湖南晟通科技集团有限公司 | Aluminum alloy and method for manufacturing double-zero foil by using same |
| CN102329985A (en) * | 2011-06-14 | 2012-01-25 | 刘继福 | Aluminum foil for flexible package of polymer lithium ion battery |
| CN102329989A (en) * | 2011-07-30 | 2012-01-25 | 湖南晟通科技集团有限公司 | Aluminum alloy material and method for manufacturing double-zero foil by using same |
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| CN109468503B (en) * | 2018-12-26 | 2021-01-01 | 江苏奋杰有色金属制品有限公司 | Aluminum alloy material and production process thereof |
| CN111575513A (en) * | 2020-06-12 | 2020-08-25 | 包头常铝北方铝业有限责任公司 | Aluminum alloy strip, preparation method thereof and aluminum division bar for hollow glass |
| CN113564425A (en) * | 2021-08-09 | 2021-10-29 | 江苏鼎胜新能源材料股份有限公司 | Aluminum foil for 1N00 lithium battery and preparation method thereof |
| CN114318081A (en) * | 2021-12-31 | 2022-04-12 | 镇江龙源铝业有限公司 | Self-brazing aluminum alloy foil and preparation method thereof |
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Application publication date: 20110420 |