CN114318072B - Method for producing 3003D plate by continuous casting and rolling method and application of 3003D plate - Google Patents
Method for producing 3003D plate by continuous casting and rolling method and application of 3003D plate Download PDFInfo
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- CN114318072B CN114318072B CN202111669634.2A CN202111669634A CN114318072B CN 114318072 B CN114318072 B CN 114318072B CN 202111669634 A CN202111669634 A CN 202111669634A CN 114318072 B CN114318072 B CN 114318072B
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Abstract
The invention relates to the technical field of aluminum alloy material casting and rolling, and discloses a method for producing a 3003D plate by a continuous casting and rolling method and application of the 3003D plate. The method comprises the following steps: (1) Adding an aluminum ingot into a smelting furnace for melting, and adjusting chemical components; (2) Transferring the alloy liquid into a standing furnace, standing, refining, degassing and filtering; (3) Alloy liquid enters a casting and rolling machine from a casting nozzle to be continuously cast and rolled into a plate blank, wherein the roller diameter of a roller is 845-855 mm, the length of a casting and rolling area is 40-50 mm, the casting and rolling speed is 550-650 mm/min, and the temperature of a front box is 675-685 ℃; (4) And conveying the plate blank to a coiling machine through a guide roller to be coiled into a coil. The 3003D produced by continuous casting and rolling has the same metallographic structure as the 3003D produced by casting, and the plate has stable performance and can be widely used in the fields of automobile battery materials and new energy.
Description
Technical Field
The invention relates to the technical field of aluminum alloy material casting and rolling, in particular to a method for producing a 3003D plate by a continuous casting and rolling method and application of the 3003D plate.
Background
Continuous casting and rolling are completed in one process, and molten aluminum is subjected to certain pressure while being solidified to generate certain amount of plastic deformation; the casting is a process of pouring liquid metal meeting the requirements into a casting mold with a certain shape through a series of transfer tools, and obtaining an ingot with a certain shape and size after cooling.
The advantages of continuous casting and rolling are simple equipment, centralization, energy saving, consumption reduction, less geometrical waste materials such as crop end and crop tail, high finished product rate and low production cost, compared with cast ingot, the consumption of electric energy and heat energy is greatly reduced, the equipment investment is less, the effect is fast, the processing steps such as face milling, hot rolling and the like are reduced, the energy consumption is greatly reduced, the metallographic structure of 3003D produced by continuous casting and rolling is the same as that of 3003D produced by casting and rolling, and 3003D produced by the continuous casting and rolling method is a brand new material and can be widely applied. However, the prior art does not report on the production of 3003D panels by continuous casting and rolling.
Disclosure of Invention
The invention aims to overcome the problems that the prior art has complex steps and much energy consumption in casting production of 3003D, and has no related report about continuous casting and rolling production of 3003D plates and 3003D plates are not widely applied, and provides a method for producing 3003D plates by a continuous casting and rolling method and application of the 3003D plates. The 3003D plate produced by the method disclosed by the invention is simple in process, saves the cost for subsequent finished product processing, is the same in metallographic structure as the 3003D produced by casting and rolling, is stable in plate performance, and can be widely applied to the fields of automobile battery materials and new energy.
In order to achieve the above objects, one aspect of the present invention provides a method for producing 3003D plates by continuous casting and rolling, the method comprising the steps of:
(1) Adding an aluminum ingot into a smelting furnace for smelting, and then adjusting the chemical components of the alloy aluminum liquid into: 0.4 to 0.55 weight percent of Fe, 0.15 to 0.25 weight percent of Si, 0.05 to 0.15 weight percent of Cu, 1.15 to 1.25 weight percent of Mn, less than or equal to 0.025 weight percent of Mg, less than or equal to 0.025 weight percent of Zn, less than or equal to 0.06 weight percent of Zr, 0.02 to 0.03 weight percent of Ti, and the balance of Al;
(2) Transferring the alloy liquid into a standing furnace, standing, refining, degassing and filtering;
(3) Alloy liquid enters a casting and rolling machine from a casting nozzle to be continuously cast and rolled into a plate blank, wherein the roll diameter of a roll is 845-855 mm, the length of a casting and rolling area is 40-50 mm, the casting and rolling speed is 550-650 mm/min, and the temperature of a front box is 675-685 ℃;
(4) And conveying the plate blank to a coiling machine through a guide roller to be coiled into a coil.
Preferably, in step (1), the temperature of the smelting furnace is 720 to 760 ℃.
More preferably, in step (1), the temperature of the melting furnace is 730 to 750 ℃.
Preferably, in the step (1), the chemical components of the alloy aluminum liquid are adjusted as follows: 0.44 to 0.50 weight percent of Fe, 0.17 to 0.23 weight percent of Si, 0.06 to 0.12 weight percent of Cu, 1.17 to 1.23 weight percent of Mn, less than or equal to 0.02 weight percent of Mg, less than or equal to 0.02 weight percent of Zn, less than or equal to 0.05 weight percent of Zr, 0.024 to 0.026 weight percent of Ti, and the balance of Al.
Preferably, in step (2), the refining temperature is 715 to 740 ℃, more preferably 720 to 730 ℃.
Preferably, in the step (2), the filtering is performed by using a foamed ceramic filter sheet.
Preferably, in the step (3), the length of the casting zone is 44 to 48mm.
Preferably, in the step (3), the casting speed is 550 to 600mm/min.
Preferably, in step (3), the headbox temperature is 675 to 680 ℃.
The invention further provides application of the 3003D plate prepared by the method in an automobile battery material.
Compared with the casting production of 3003D, the 3003D plate produced by adopting the method disclosed by the invention has the advantages that the consumption of electric energy and heat energy is greatly reduced, the equipment investment is low, the effect is fast, the processing steps of surface milling, hot rolling and the like are reduced, the energy consumption is greatly reduced, and the 3003D produced by continuous casting and rolling has the same metallographic structure as the 3003D produced by casting and rolling. Meanwhile, the plate produced by the invention has stable performance and can be widely used in the fields of automobile battery materials and new energy.
Drawings
FIG. 1 is a drawing of a cast 3003D phase of gold produced by casting (a: upper edge, b: rib, c: lower edge);
FIG. 2 is a 3003D metallographic view of a cast-rolled steel sheet prepared by the continuous casting method of the present invention (a: upper edge, b: middle, c: lower edge);
FIG. 3 is a diagram of a homogenized metallographic phase of a cast coil produced by the continuous casting method of the present invention (a: upper edge, b: middle, c: lower edge).
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are given by way of illustration and explanation only, not limitation.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and these ranges or values should be understood to encompass values close to these ranges or values. For numerical ranges, each range between its endpoints and individual point values, and each individual point value can be combined with each other to give one or more new numerical ranges, and such numerical ranges should be construed as specifically disclosed herein.
The invention provides a method for producing 3003D plates by a continuous casting and rolling method, which comprises the following steps:
(1) Adding an aluminum ingot into a smelting furnace for melting, and then adjusting the chemical components of the alloy aluminum liquid into: 0.4 to 0.55 weight percent of Fe, 0.15 to 0.25 weight percent of Si, 0.05 to 0.15 weight percent of Cu, 1.15 to 1.25 weight percent of Mn, less than or equal to 0.025 weight percent of Mg, less than or equal to 0.025 weight percent of Zn, less than or equal to 0.06 weight percent of Zr, 0.02 to 0.03 weight percent of Ti, and the balance of Al;
(2) Transferring the alloy liquid into a standing furnace, standing, refining, degassing and filtering;
(3) Alloy liquid enters a casting and rolling machine from a casting nozzle to be continuously cast and rolled into a plate blank, wherein the roll diameter of a roll is 845-855 mm, the length of a casting and rolling area is 40-50 mm, the casting and rolling speed is 550-650 mm/min, and the temperature of a front box is 675-685 ℃;
(4) And conveying the plate blank to a coiling machine through a guide roller to be coiled into a coil.
Because the fusion casting production of 3003D has complex process and high energy consumption, the inventor aims to produce a new 3003D material by adopting a method with simpler process and less energy consumption and expand the application of 3003D in other aspects. The inventor of the invention discovers through research that the 3003D plate can be produced by adopting a continuous casting and rolling method, the process is simple, the energy consumption is low, the 3003D produced by continuous casting and rolling has the same metallographic structure as the 3003D produced by casting, and the obtained 3003D plate has stable performance and is suitable for being used in automobile battery materials.
In a specific embodiment, in the step (1), the temperature of the melting furnace is 720 to 760 ℃, and for example, 720 ℃, 725 ℃, 730 ℃, 735 ℃, 740 ℃, 745 ℃, 750 ℃, 755 ℃, or 760 ℃ may be used.
In a preferred embodiment, in step (1), the temperature of the melting furnace is 730 to 750 ℃.
In the method according to the invention, the chemical composition of the 3003D sheet must meet certain requirements. In a preferred embodiment, in the step (1), the chemical composition of the alloy aluminum liquid is adjusted as follows: 0.44-0.50 wt% of Fe, 0.17-0.23 wt% of Si, 0.06-0.12 wt% of Cu, 1.17-1.23 wt% of Mn, less than or equal to 0.02 wt% of Mg, less than or equal to 0.02 wt% of Zn, less than or equal to 0.05 wt% of Zr, 0.024-0.026 wt% of Ti, and the balance of Al. Adjusting the chemical components of the alloy aluminum liquid according to the conventional operation.
In a specific embodiment, in the step (2), the refining temperature is 715 to 740 ℃, and may be, for example, 715 ℃, 720 ℃, 725 ℃, 730 ℃, 735 ℃, or 740 ℃.
In a preferred embodiment, in step (2), the refining temperature is 720 to 730 ℃.
In the method of the present invention, the filtration means may be a conventional operation in the art. In a preferred embodiment, in step (2), the filtration is performed using a ceramic foam filter.
In the method, the continuous casting and rolling operation process has important influence on the performance and the metallographic structure of the prepared 3003D plate.
In specific embodiments, in step (3), the casting zone length may be 40mm, 41mm, 42mm, 43mm, 44mm, 45mm, 46mm, 47mm, 48mm, 49mm, or 50mm.
In a preferred embodiment, in the step (3), the length of the casting zone is 44 to 48mm.
In particular embodiments, the casting speed may be 550mm/min, 560mm/min, 570mm/min, 580mm/min, 590mm/min, 600mm/min, 610mm/min, 620mm/min, 630mm/min, 640mm/min, or 650mm/min.
In a preferred embodiment, in the step (3), the casting speed is 550 to 600mm/min.
In specific embodiments, the headbox temperature can be 675 deg.C, 676 deg.C, 677 deg.C, 678 deg.C, 679 deg.C, 680 deg.C, 681 deg.C, 682 deg.C, 683 deg.C, 684 deg.C, or 685 deg.C.
In a preferred embodiment, in step (3), the headbox temperature is 675 to 680 ℃.
The invention provides an application of the 3003D plate prepared by the method in an automobile battery material.
The present invention will be described in detail by way of examples, but the scope of the present invention is not limited thereto.
Example 1
(1) Adding an aluminum ingot into a smelting furnace for melting, wherein the temperature of the smelting furnace is 730 ℃, and then adjusting the chemical components of the alloy aluminum liquid as follows: 0.47 wt% of Fe, 0.2 wt% of Si, 0.09 wt% of Cu, 1.2 wt% of Mn, less than or equal to 0.02 wt% of Mg, less than or equal to 0.02 wt% of Zn, less than or equal to 0.05 wt% of Zr, 0.025 wt% of Ti, and the balance of Al;
(2) Transferring the alloy liquid into a standing furnace, standing, refining, degassing, and filtering by a foamed ceramic filter plate, wherein the refining temperature is 730 ℃;
(3) Alloy liquid enters a casting and rolling machine from a casting nozzle to be continuously cast and rolled into a plate blank, wherein the roller diameter of a roller is 850mm, the length of a casting and rolling area is 46mm, the casting and rolling speed is 600mm/min, and the temperature of a front box is 680 ℃;
(4) And conveying the plate blank to a coiling machine through a guide roller to be coiled into a coil.
Fig. 2 and 3 are a gold phase diagram of cast-rolled 3003D prepared in example 1 and a gold phase diagram of cast-rolled coil after homogenization, respectively, and it can be seen that the grain size of the product prepared by the continuous casting-rolling method of the present invention meets the requirements, there is no segregation in the alloy, and the metallographic structure is the same as that of the cast-cast 3003D metallographic structure (fig. 1).
Example 2
(1) Adding an aluminum ingot into a smelting furnace for melting, wherein the temperature of the smelting furnace is 750 ℃, and then adjusting the chemical components of the alloy aluminum liquid as follows: 0.44 wt% of Fe, 0.23 wt% of Si, 0.06 wt% of Cu, 1.23 wt% of Mn, less than or equal to 0.015 wt% of Mg, less than or equal to 0.015 wt% of Zn, less than or equal to 0.05 wt% of Zr, 0.024 wt% of Ti, and the balance of Al;
(2) Transferring the alloy liquid into a standing furnace, standing, refining, degassing, and filtering by a foamed ceramic filter plate, wherein the refining temperature is 720 ℃;
(3) Alloy liquid enters a casting and rolling machine from a casting nozzle to be continuously cast and rolled into a plate blank, wherein the roll diameter of a roll is 850mm, the length of a casting and rolling area is 48mm, the casting and rolling speed is 550mm/min, and the temperature of a front box is 675 ℃;
(4) And conveying the plate blank to a coiling machine through a guide roller to be coiled into a coil.
Example 3
(1) Adding an aluminum ingot into a smelting furnace for melting, wherein the temperature of the smelting furnace is 740 ℃, and then adjusting the chemical components of the alloy aluminum liquid as follows: 0.5 wt% of Fe, 0.17 wt% of Si, 0.12 wt% of Cu, 1.17 wt% of Mn, not more than 0.018 wt% of Mg, not more than 0.02 wt% of Zn, not more than 0.055 wt% of Zr, 0.026 wt% of Ti, and the balance of Al;
(2) Transferring the alloy liquid into a standing furnace, standing, refining, degassing, and filtering by a foamed ceramic filter plate, wherein the refining temperature is 725 ℃;
(3) Alloy liquid enters a casting and rolling machine from a casting nozzle to be continuously cast and rolled into a plate blank, wherein the roll diameter of a roll is 850mm, the length of a casting and rolling area is 44mm, the casting and rolling speed is 650mm/min, and the temperature of a front box is 685 ℃;
(4) And conveying the plate blank to a coiling machine through a guide roller to be coiled into a coil.
The gold phase diagram of cast-rolled 3003D prepared in example 2 and example 3 and the gold phase diagram of the homogenized cast-rolled coil are the same as example 1, and are not repeated herein.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including various technical features being combined in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (9)
1. A method for producing 3003D plates by a continuous casting and rolling method is characterized in that the 3003D plates are applied to automobile battery materials, and the method comprises the following steps:
(1) Adding an aluminum ingot into a smelting furnace for melting, and then adjusting the chemical components of the alloy aluminum liquid into: 0.4 to 0.55 weight percent of Fe, 0.15 to 0.25 weight percent of Si, 0.05 to 0.15 weight percent of Cu, 1.15 to 1.25 weight percent of Mn, less than or equal to 0.025 weight percent of Mg, less than or equal to 0.025 weight percent of Zn, less than or equal to 0.06 weight percent of Zr, 0.02 to 0.03 weight percent of Ti, and the balance of Al;
(2) Transferring the alloy liquid into a standing furnace, standing, refining, degassing and filtering;
(3) Feeding the alloy liquid into a casting and rolling machine from a casting nozzle to perform continuous casting and rolling to form a plate blank, wherein the roll diameter of a roll is 845-855 mm, the length of a casting and rolling area is 40-50mm, the casting and rolling speed is 550-650 mm/min, and the temperature of a front box is 675-685 ℃;
(4) Conveying the plate blank to a coiling machine through a guide roller to be coiled into a coiled material;
wherein in the step (1), the temperature of the smelting furnace is 720 to 760 ℃;
in the step (2), the refining temperature is 715 to 740 ℃.
2. The method as claimed in claim 1, wherein in step (1), the temperature of the smelting furnace is 730 to 750 ℃.
3. The method as claimed in claim 1, wherein in step (1), the chemical composition of the alloyed aluminum liquid is adjusted to: 0.44 to 0.50 weight percent of Fe, 0.17 to 0.23 weight percent of Si, 0.06 to 0.12 weight percent of Cu, 1.17 to 1.23 weight percent of Mn, less than or equal to 0.02 weight percent of Mg, less than or equal to 0.02 weight percent of Zn, less than or equal to 0.05 weight percent of Zr, 0.024to 0.026 weight percent of Ti, and the balance of Al.
4. The method according to claim 1, wherein in the step (2), the refining temperature is 720 to 730 ℃.
5. The method of claim 1, wherein in step (2), the filtering is performed using a ceramic foam filter.
6. The method according to claim 1, wherein in the step (3), the casting area has a length of 44 to 48mm.
7. The method according to claim 1, wherein in the step (3), the casting speed is 550 to 600mm/min.
8. The method according to claim 1, wherein in step (3), the headbox temperature is 675 to 680 ℃.
9. Use of a 3003D sheet prepared by the method of any one of claims 1-8 in automotive battery materials.
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| JP3454578B2 (en) * | 1993-08-31 | 2003-10-06 | 日本軽金属株式会社 | Aluminum alloy base plate for lithographic printing plate and method for producing the same |
| JP2008043958A (en) * | 2006-08-11 | 2008-02-28 | Fujifilm Corp | Aluminum continuous casting and rolling apparatus, and manufacturing method of aluminum alloy plate for lithographic form plate supporting body |
| CN101509090B (en) * | 2009-04-02 | 2010-08-25 | 河南明泰铝业股份有限公司 | Casting-rolling aluminum alloy blank and producing method thereof |
| CN102912191B (en) * | 2011-08-01 | 2015-01-07 | 江阴新仁科技有限公司 | 3003 reflective foil aluminum alloy and processing technology |
| CN102392156A (en) * | 2011-10-31 | 2012-03-28 | 河南神火铝材有限公司 | Aluminum alloy material and production method of cast-rolling stock of decorative strip of same |
| CN111647763B (en) * | 2020-05-26 | 2021-11-26 | 东南大学 | Continuous casting production method of AA3003 aluminum alloy plate |
| CN112159915A (en) * | 2020-09-27 | 2021-01-01 | 酒泉钢铁(集团)有限责任公司 | Method for preparing 1070 aluminum alloy strip blank by using copper roller sleeve casting and rolling |
| CN113025852B (en) * | 2021-03-03 | 2023-09-29 | 江苏鼎胜新能源材料股份有限公司 | Brazing inner fin material for intercooler and manufacturing method thereof |
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