CN113637877A - 8011 single zero foil produced by green circulation method and manufacturing method thereof - Google Patents
8011 single zero foil produced by green circulation method and manufacturing method thereof Download PDFInfo
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- CN113637877A CN113637877A CN202110912658.XA CN202110912658A CN113637877A CN 113637877 A CN113637877 A CN 113637877A CN 202110912658 A CN202110912658 A CN 202110912658A CN 113637877 A CN113637877 A CN 113637877A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000011888 foil Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- 238000000137 annealing Methods 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 7
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 238000009966 trimming Methods 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 230000001680 brushing effect Effects 0.000 claims description 2
- 238000007872 degassing Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims 3
- 239000002699 waste material Substances 0.000 abstract description 9
- 238000004064 recycling Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/40—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses 8011 single zero foil produced by a green circulation method and a manufacturing method thereof, and the foil comprises the following components by mass percent: 0.6-0.7% of Si, 0.8-0.9% of Fe0.03-0.05% of Cu0.03-0.05%, less than or equal to 0.05% of Mn, less than or equal to 0.05% of Zn, 0.02-0.05% of Ti0.02-0.05% of Ti and the balance of Al. The manufacturing method comprises the steps of smelting, casting and rolling, rough rolling, intermediate annealing, trimming, finish rolling, finished product annealing, inspection, packaging and the like. The tensile strength of the finished product prepared by the method is 95-120Mpa, and the elongation can reach more than 3.0%. Compared with a finished product produced by using an aluminum ingot casting and rolling method, the invention has equivalent mechanical property, pinhole number and corrosion resistance, but has obvious promotion effect on energy conservation and emission reduction, green production and the like of the whole market because the invention has the advantages of waste recycling, environmental protection, energy saving, high yield, good processing property and the like.
Description
Technical Field
The invention relates to 8011 single zero foil produced by a green cycle method and a manufacturing method thereof.
Background
With the development of light weight, the demand of aluminum foil in the fields of packaging, electrolytic capacitors, heat insulation and the like is continuously increased, on one hand, a plurality of manufacturers have the phenomenon that the order supply is short of demand, and the price of aluminum ingots is also increased all the way; on the other hand, in the process of processing the aluminum foil, a lot of waste materials are generated in the stages of rough rolling, finish rolling and trimming, and how to utilize the waste materials becomes a problem to be solved urgently. Through two years of production practice, the key technology for producing 8011 single zero foil by using waste is overcome, and the product quality of the single zero foil is qualitatively improved. The aluminum foil blank (7.0mm) produced by the cast rolling of our company can produce the single zero foil with the thickness of 0.01-0.02mm, the quality problems of the performance, the broken strip and the like of the single zero foil are effectively solved, and the product quality meets the requirements of downstream customers.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides 8011 single zero foil produced by a green cycle method and a manufacturing method thereof.
A8011 single zero foil produced by a green circulation method comprises the following alloy components in percentage by mass: 0.6-0.7% of Si, 0.8-0.9% of Fe, 0.03-0.05% of Cu, less than or equal to 0.05% of Mn, less than or equal to 0.05% of Zn, 0.02-0.05% of Ti and the balance of Al.
A manufacturing method of 8011 single zero foil produced by a green cycle method comprises the following steps:
(1) smelting and casting-rolling: smelting an alloy with specified components and casting and rolling the alloy into an aluminum coil with the thickness of 6.5-7.0 mm;
(2) rough rolling: rolling the blank into an aluminum coil with the thickness of 1.8-3.5 mm through 2-4 passes;
(3) homogenizing and annealing: carrying out homogenizing annealing on the aluminum coil prepared in the step (2), firstly heating to 250-280 ℃ at a speed of 1.0-2.2 ℃/min, keeping the temperature for 60-100 min, then heating to 530-550 ℃ at a speed of 1.0-2.5 ℃/min, keeping the temperature for 400-500 min, finally cooling to 450-500 ℃, and keeping the temperature for 180-300 min;
(4) rough rolling and trimming: roughly rolling the aluminum coil prepared in the step (3) for 2-4 passes until the thickness is 0.26mm, cooling for 12-24 hours, and trimming;
(5) finish rolling: performing finish rolling on the aluminum coil prepared in the step (4), and rolling the aluminum coil into an aluminum coil with the thickness of 0.01-0.02mm through 3-5 passes;
(6) slitting: slitting the aluminum coil prepared in the step (5);
(7) annealing of a finished product: annealing the finished product of the aluminum coil prepared in the step (6), heating to 180-220 ℃ at the speed of 1.0-2.2 ℃/min, keeping the temperature for 500-600 min, heating to 200-250 ℃ at the speed of 1.0-2.5 ℃/min, and keeping the temperature for 100-180 min;
(8) and (3) checking and packaging: the thickness, width size, end face quality and surface quality of the product are checked, and the product can be packaged after being checked to be qualified.
Preferably, a titanium wire adding point is arranged in front of the inlet of the filter box in the step (1), and the temperature of the titanium wire adding point is increased.
Preferably, step (1) is performed in a degassing tank, the flow rate of argon is stabilized at 12-18L/min, and the rotation speed of a rotor is 490-510 rpm.
Preferably, in step (3), in order to prevent coarse grains, the temperature of the second heat-preservation stage can be reduced, the heat-preservation time is reduced, and the final heat-preservation temperature is reduced.
Preferably, the forced cooling of the discharging fan is set to be less than or equal to 70 ℃ in the step (7), sampling is carried out to obtain mechanical property, and whether the tensile strength is greater than or equal to 100MPa and the elongation is greater than or equal to 3.0% is checked.
Preferably, in the packaging process, the items tested in the step (8) include whether the surface has oxidation, scratch and rolling defects, whether the end surface is neat, whether the string layer exists, whether the oil removal is clean and whether the brushing grade is greater than or equal to A +.
Has the advantages that:
the tensile strength of the finished product prepared by the method is 95-120Mpa, and the elongation can reach more than 3.0%. Compared with the finished product produced by the aluminum ingot casting and rolling method, the invention has the advantages of equivalent mechanical property, pinhole number and corrosion resistance, reasonable utilization of waste materials for production and capability of meeting the requirements of customers. The product has short process flow and low cost, and realizes the repeated recycling of waste materials, thereby having obvious promotion effects on energy conservation and emission reduction of the whole market, green production and the like.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
1. Smelting, namely preparing alloy raw materials by taking the mixture ratio of 0.65 percent of Si, 0.85 percent of Fe, 0.035 percent of Cu and the balance of aluminum as basic components;
2. melting the raw materials, wherein the melting temperature is in the range of 735-755 ℃, performing melt refining treatment, pouring the melt into a standing furnace at 740-760 ℃, standing and preserving heat, wherein the temperature of the standing furnace is 730-750 ℃; then cast-rolling to obtain 6.0-7.0mm cast-rolled coils;
3. roughly rolling the cast-rolled mother coil according to the thickness of 7.0 mm-4.2 mm-2.7 mm-1.8 mm, carrying out homogenization annealing, heating to 265 ℃ within 4h, continuously heating to 550 ℃ within 2h, preserving heat for 8h, then cooling to 480 ℃ and preserving heat for 4 h;
5. after the edge cutting, the material roll is rolled to be 0.018 +/-0.0009 mm in thickness in the finished product pass by 0.26-0.14-0.075-0.036-0.018 +/-0.0009 mm, and then is cut to be the finished product width;
6. annealing the finished product in a coil with the diameter of 0.018 +/-0.0009 mm for a finished product pass, heating to 230 ℃ for 5 hours, preserving heat for 9 hours, then cooling to 200 ℃ and preserving heat for 2 hours, and then cooling and discharging.
The tensile strength of the finished product prepared by the method is 95-120Mpa, and the elongation can reach more than 3.0%. Compared with the finished product produced by the aluminum ingot casting and rolling method, the invention has the advantages of equivalent mechanical property, pinhole number and corrosion resistance, reasonable utilization of waste materials for production and capability of meeting the requirements of customers. The 8011 single-zero foil blank is produced by casting and rolling waste materials, the repeated recycling of aluminum is realized, and the method has the advantages of obvious economic advantages, effective resource saving, environmental protection and the like and is supported by government policies. The product has short process flow and low cost, realizes the repeated recycling of waste materials, and has obvious promotion effects on energy conservation and emission reduction of the whole market, green production and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A8011 single zero foil produced by a green circulation method is characterized by comprising the following alloy components in percentage by mass: 0.6-0.7% of Si, 0.8-0.9% of Fe, 0.03-0.05% of Cu, less than or equal to 0.05% of Mn, less than or equal to 0.05% of Zn, 0.02-0.05% of Ti and the balance of Al.
2. A manufacturing method of 8011 single zero foil produced by a green cycle method is characterized by comprising the following steps:
(1) smelting and casting-rolling: smelting an alloy with specified components and casting and rolling the alloy into an aluminum coil with the thickness of 6.5-7.0 mm;
(2) rough rolling: rolling the blank into an aluminum coil with the thickness of 1.8-3.5 mm through 2-4 passes;
(3) homogenizing and annealing: carrying out homogenizing annealing on the aluminum coil prepared in the step (2), firstly heating to 250-280 ℃ at a speed of 1.0-2.2 ℃/min, keeping the temperature for 60-100 min, then heating to 530-550 ℃ at a speed of 1.0-2.5 ℃/min, keeping the temperature for 400-500 min, finally cooling to 450-500 ℃, and keeping the temperature for 180-300 min;
(4) rough rolling and trimming: roughly rolling the aluminum coil prepared in the step (3) for 2-4 passes until the thickness is 0.26mm, cooling for 12-24 hours, and trimming;
(5) finish rolling: performing finish rolling on the aluminum coil prepared in the step (4), and rolling the aluminum coil into an aluminum coil with the thickness of 0.01-0.02mm through 3-5 passes;
(6) slitting: slitting the aluminum coil prepared in the step (5);
(7) annealing of a finished product: annealing the finished product of the aluminum coil prepared in the step (6), heating to 180-220 ℃ at the speed of 1.0-2.2 ℃/min, keeping the temperature for 500-600 min, heating to 200-250 ℃ at the speed of 1.0-2.5 ℃/min, and keeping the temperature for 100-180 min;
(8) and (3) checking and packaging: the thickness, width size, end face quality and surface quality of the product are checked, and the product can be packaged after being checked to be qualified.
3. The method of claim 2, wherein step (1) comprises providing a titanium wire feed point before the inlet of the filter box and increasing the temperature of the titanium wire feed point.
4. The method as claimed in claim 2, wherein in step (1), the flow rate of argon is stabilized at 12-18L/min and the rotor speed is at 490-510rpm in the degassing tank.
5. The method of claim 2, wherein the temperature of the second soaking section is reduced to prevent coarse grains, the soaking time is reduced, and the final soaking temperature is reduced in step (3).
6. The method for manufacturing 8011 single zero foil produced by green cycle method of claim 2, wherein in step (7) the forced cooling of the out-furnace blower is set to be less than or equal to 70 ℃, the sampling is performed to obtain mechanical properties, and the tensile strength is checked to be greater than or equal to 100MPa and the elongation is checked to be greater than or equal to 3.0%.
7. The method of claim 2, wherein the 8011 single zero foil manufactured in green cycle mode is manufactured in a green cycle mode, and the step (8) comprises inspecting whether the surface of the foil is oxidized, scratched or rolled, whether the end surface of the foil is neat, whether the foil is frayed or not, whether the foil is completely degreased, and whether the brushing level is a + or higher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110912658.XA CN113637877A (en) | 2021-08-10 | 2021-08-10 | 8011 single zero foil produced by green circulation method and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110912658.XA CN113637877A (en) | 2021-08-10 | 2021-08-10 | 8011 single zero foil produced by green circulation method and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN113637877A true CN113637877A (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110912658.XA Pending CN113637877A (en) | 2021-08-10 | 2021-08-10 | 8011 single zero foil produced by green circulation method and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4325755A (en) * | 1979-08-30 | 1982-04-20 | Alcan Research And Development Limited | Formable aluminum alloy sheet product |
| CN102191414A (en) * | 2011-04-13 | 2011-09-21 | 河南顺源宇祥铝业科技有限公司 | Aluminum alloy cable strap material and production method thereof |
| CN111187949A (en) * | 2020-02-28 | 2020-05-22 | 江苏鼎胜新能源材料股份有限公司 | Aluminum foil for bottle cap with low lug making rate and manufacturing method thereof |
| CN111254322A (en) * | 2020-03-25 | 2020-06-09 | 江苏鼎胜新能源材料股份有限公司 | Preparation method of aluminum foil material for thinning double-sided photocell tab |
-
2021
- 2021-08-10 CN CN202110912658.XA patent/CN113637877A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4325755A (en) * | 1979-08-30 | 1982-04-20 | Alcan Research And Development Limited | Formable aluminum alloy sheet product |
| CN102191414A (en) * | 2011-04-13 | 2011-09-21 | 河南顺源宇祥铝业科技有限公司 | Aluminum alloy cable strap material and production method thereof |
| CN111187949A (en) * | 2020-02-28 | 2020-05-22 | 江苏鼎胜新能源材料股份有限公司 | Aluminum foil for bottle cap with low lug making rate and manufacturing method thereof |
| CN111254322A (en) * | 2020-03-25 | 2020-06-09 | 江苏鼎胜新能源材料股份有限公司 | Preparation method of aluminum foil material for thinning double-sided photocell tab |
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Application publication date: 20211112 |
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