CN105039797A - Manufacturing method of aluminum alloy strip capable of being used for mobile phone battery shell sealing plate - Google Patents
Manufacturing method of aluminum alloy strip capable of being used for mobile phone battery shell sealing plate Download PDFInfo
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- CN105039797A CN105039797A CN201510604266.1A CN201510604266A CN105039797A CN 105039797 A CN105039797 A CN 105039797A CN 201510604266 A CN201510604266 A CN 201510604266A CN 105039797 A CN105039797 A CN 105039797A
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- aluminium alloy
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Abstract
The invention discloses a manufacturing method of an aluminum alloy strip capable of being used for a mobile phone battery shell sealing plate and relates to a manufacturing method of an aluminum alloy strip. The manufacturing method solves the problem that an existing mobile phone battery shell sealing plate is low in production efficiency. The method includes the steps that firstly, molten aluminum alloy is prepared; secondly, aluminum alloy ingots are cast; thirdly, hot rolling, cold rolling and finish rolling are performed, the S801 H14 aluminum alloy strip is obtained, and operation is completed. The S801 H14 aluminum alloy strip prepared through the method has high strength, and the tensile strength is 160 MPa or so. The elongation percentage is equal to or larger than 5%. The aluminum alloy strip manufactured through the manufacturing method is used for the mobile phone battery shell sealing plate, anti-explosion pressure is uniform after an anti-explosion valve is manufactured in a punching mode, annealing is not needed, and production efficiency is high.
Description
Technical field
The present invention relates to a kind of manufacture method of aluminium alloy strips.
Background technology
Hand phone battery case hush panel mainly adopts 3003,3005 alloys, after the hush panel punching explosion trap of these two kinds of alloys, need the problem carrying out annealing to solve hush panel explosion-proof pressure inequality, the annealing operation increased, affect the production efficiency of hand phone battery case hush panel, therefore urgently develop new alloy material, avoid Problems existing.
Summary of the invention
The present invention will solve the low problem of existing hand phone battery case hush panel production efficiency, and provides a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips.
Can be used for a manufacture method for hand phone battery case hush panel aluminium alloy strips, follow these steps to realize:
One, molten aluminium alloy preparation: the determination of chemical composition, in aluminium alloy, the mass percent of each element is Si:0.1%, Fe:1.0% ~ 1.4%, Cu:0.03%, Mn:0.2% ~ 0.8%, Mg:0.05%, Cr:0.05%, Zn:0.05%, Ti:0.05%, single impurity :≤0.05%, add up to impurity :≤0.15%, all the other are aluminium; According to the mass percent of above-mentioned each element take respectively aluminium content be 99.7% high-purity aluminium ingot, ferro-aluminum master alloy, aluminium manganese master alloy as raw material, then join in smelting furnace, at 600 DEG C ~ 620 DEG C, be smelted into molten aluminium alloy;
Two, cast: the technique of aluminium alloy solution by casting temp 700 DEG C ~ 750 DEG C, casting speed 60 ~ 65mm/min cast, air cooling of coming out of the stove, after railway carriage, sawing becomes specification to be the aluminium alloy cast ingot of 300mm × 640mm × 4000mm;
Three, hot rolling, cold rolling and finish rolling: aluminium alloy cast ingot carries out hot rolling at 500 DEG C ~ 520 DEG C, specification is 9.0mm × 640mm, then undertaken cold rolling by the rolling rate system of 3003 alloy strip steel rolled stocks, process annealing at 430 DEG C ~ 460 DEG C, finish rolling is carried out again with the working modulus of 34%, obtain S801H14 aluminium alloy strips, namely complete the manufacture that can be used for hand phone battery case hush panel aluminium alloy strips.
The invention has the advantages that:
1. the S801H14 aluminium alloy strips of the present invention's manufacture, is a kind of novel Al-Fe alloy; The present invention controls ingot casting composition, tissue by founding, then by the hot rolling optimized, cold rolling and intermediate annealing process, make hand phone battery case hush panel aluminium alloy strips keep deformation texture and the Deformation structure of balance, make it have higher intensity, tensile strength is about 160MPa; Unit elongation >=5%.
2. The inventive method achieves the raising of aluminium alloy strips unit elongation, good laser weldability, technique is simple, easily realizes, and does not need to increase special specific equipment.
3. the alloy proportion of product of the present invention, add the content of Fe element, improve the distributional pattern of aluminum alloy strip microstructure and second phase particles, size, structure and quantity, grain structure is even, and then improves the intensity of aluminium alloy strips material and good laser weldability.
4. the present invention manufactures gained aluminium alloy strips for hand phone battery case hush panel, and after punching explosion trap, explosion-proof pressure is even, and do not need to anneal, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the micro-organization chart manufacturing gained S801H14 aluminium alloy strips in embodiment 1.
Embodiment
Embodiment one: present embodiment can be used for the manufacture method of hand phone battery case hush panel aluminium alloy strips, follows these steps to realize:
One, molten aluminium alloy preparation: the determination of chemical composition, in aluminium alloy, the mass percent of each element is Si:0.1%, Fe:1.0% ~ 1.4%, Cu:0.03%, Mn:0.2% ~ 0.8%, Mg:0.05%, Cr:0.05%, Zn:0.05%, Ti:0.05%, single impurity :≤0.05%, add up to impurity :≤0.15%, all the other are aluminium; According to the mass percent of above-mentioned each element take respectively aluminium content be 99.7% high-purity aluminium ingot, ferro-aluminum master alloy, aluminium manganese master alloy as raw material, then join in smelting furnace, at 600 DEG C ~ 620 DEG C, be smelted into molten aluminium alloy;
Two, cast: the technique of aluminium alloy solution by casting temp 700 DEG C ~ 750 DEG C, casting speed 60 ~ 65mm/min cast, air cooling of coming out of the stove, after railway carriage, sawing becomes specification to be the aluminium alloy cast ingot of 300mm × 640mm × 4000mm;
Three, hot rolling, cold rolling and finish rolling: aluminium alloy cast ingot carries out hot rolling at 500 DEG C ~ 520 DEG C, specification is 9.0mm × 640mm, then undertaken cold rolling by the rolling rate system of 3003 alloy strip steel rolled stocks, process annealing at 430 DEG C ~ 460 DEG C, finish rolling is carried out again with the working modulus of 34%, obtain S801H14 aluminium alloy strips, namely complete the manufacture that can be used for hand phone battery case hush panel aluminium alloy strips.
Embodiment two: present embodiment and embodiment one unlike, in step one, in aluminium alloy, the mass percent of each element is Si:0.1%, Fe:1.2%, Cu:0.03%, Mn:0.4%, Mg:0.05%, Cr:0.05%, Zn:0.05%, Ti:0.05%, single impurity :≤0.05%, add up to impurity :≤0.15%, all the other are aluminium.Other step and parameter identical with embodiment one.
Embodiment three: present embodiment and embodiment one or two unlike, in step one, in aluminium alloy, the mass percent of each element is Si:0.1%, Fe:1.3%, Cu:0.03%, Mn:0.6%, Mg:0.05%, Cr:0.05%, Zn:0.05%, Ti:0.05%, single impurity :≤0.05%, add up to impurity :≤0.15%, all the other are aluminium.Other step and parameter identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three unlike, at 610 DEG C, be smelted into molten aluminium alloy in step one.Other step and parameter identical with one of embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four unlike, in step 2, the technique of aluminium alloy solution by casting temp 720 DEG C, casting speed 64mm/min is cast.Other step and parameter identical with one of embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five unlike, in step 2, the technique of aluminium alloy solution by casting temp 740 DEG C, casting speed 62mm/min is cast.Other step and parameter identical with one of embodiment one to five.
Embodiment seven: one of present embodiment and embodiment one to six unlike, in step 3, aluminium alloy cast ingot carries out hot rolling at 510 DEG C.Other step and parameter identical with one of embodiment one to six.
Embodiment eight: one of present embodiment and embodiment one to seven are unlike, process annealing at 440 DEG C in step 3.Other step and parameter identical with one of embodiment one to seven.
Embodiment nine: one of present embodiment and embodiment one to eight are unlike, process annealing at 450 DEG C in step 3.Other step and parameter identical with one of embodiment one to eight.
Embodiment ten: one of present embodiment and embodiment one to nine unlike, carry out finish rolling with the working modulus of 34% in step 3, obtain S801H14 aluminium alloy strips, its specification is 1.0/1.5/2.0
± 0.02mm × 620mm.Other step and parameter identical with one of embodiment one to nine.
Following examples are adopted to verify beneficial effect of the present invention:
Embodiment 1:
Can be used for the manufacture method of hand phone battery case hush panel aluminium alloy strips, follow these steps to realize:
One, molten aluminium alloy preparation: the determination of chemical composition, in aluminium alloy, the mass percent of each element is Si:0.1%, Fe:1.2%, Cu:0.03%, Mn:0.6%, Mg:0.05%, Cr:0.05%, Zn:0.05%, Ti:0.05%, single impurity :≤0.05%, add up to impurity :≤0.15%, all the other are aluminium; According to the mass percent of above-mentioned each element take respectively aluminium content be 99.7% high-purity aluminium ingot, ferro-aluminum master alloy, aluminium manganese master alloy as raw material, then join in smelting furnace, at 600 DEG C, be smelted into molten aluminium alloy;
Two, cast: the technique of aluminium alloy solution by casting temp 730 DEG C, casting speed 62mm/min cast, air cooling of coming out of the stove, after railway carriage, sawing becomes specification to be the aluminium alloy cast ingot of 300mm × 640mm × 4000mm;
Three, hot rolling, cold rolling and finish rolling: aluminium alloy cast ingot carries out hot rolling at 500 DEG C, specification is 9.0mm × 640mm, then undertaken cold rolling by the rolling rate system of 3003 alloy strip steel rolled stocks, process annealing at 450 DEG C, finish rolling is carried out again with the working modulus of 34%, obtain S801H14 aluminium alloy strips, namely complete the manufacture that can be used for hand phone battery case hush panel aluminium alloy strips.
Carry out finish rolling with the working modulus of 34% in the present embodiment, obtain S801H14 aluminium alloy strips, its specification is 1.0/1.5/2.0
± 0.02mm × 620mm.
Manufacture gained aluminium alloy strips in the present embodiment, as shown in Figure 1, grain structure is even.
Carry out performance test:
S801H14 aluminium alloy strips: tensile strength >=160MPa; Unit elongation >=5%.
Visible, the intensity and the unit elongation that manufacture gained aluminium alloy strips in the present embodiment are fine, and therefore for hand phone battery case hush panel, after punching explosion trap, explosion-proof pressure is even, does not need to anneal.
Claims (10)
1. can be used for a manufacture method for hand phone battery case hush panel aluminium alloy strips, it is characterized in that it realizes according to the following steps:
One, molten aluminium alloy preparation: the determination of chemical composition, in aluminium alloy, the mass percent of each element is Si:0.1%, Fe:1.0% ~ 1.4%, Cu:0.03%, Mn:0.2% ~ 0.8%, Mg:0.05%, Cr:0.05%, Zn:0.05%, Ti:0.05%, single impurity :≤0.05%, add up to impurity :≤0.15%, all the other are aluminium; According to the mass percent of above-mentioned each element take respectively aluminium content be 99.7% high-purity aluminium ingot, ferro-aluminum master alloy, aluminium manganese master alloy as raw material, then join in smelting furnace, at 600 DEG C ~ 620 DEG C, be smelted into molten aluminium alloy;
Two, cast: the technique of aluminium alloy solution by casting temp 700 DEG C ~ 750 DEG C, casting speed 60 ~ 65mm/min cast, air cooling of coming out of the stove, after railway carriage, sawing becomes specification to be the aluminium alloy cast ingot of 300mm × 640mm × 4000mm;
Three, hot rolling, cold rolling and finish rolling: aluminium alloy cast ingot carries out hot rolling at 500 DEG C ~ 520 DEG C, specification is 9.0mm × 640mm, then undertaken cold rolling by the rolling rate system of 3003 alloy strip steel rolled stocks, process annealing at 430 DEG C ~ 460 DEG C, finish rolling is carried out again with the working modulus of 34%, obtain S801H14 aluminium alloy strips, namely complete the manufacture that can be used for hand phone battery case hush panel aluminium alloy strips.
2. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that the mass percent of each element in aluminium alloy in step one is Si:0.1%, Fe:1.2%, Cu:0.03%, Mn:0.4%, Mg:0.05%, Cr:0.05%, Zn:0.05%, Ti:0.05%, single impurity :≤0.05%, add up to impurity :≤0.15%, all the other are aluminium.
3. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that the mass percent of each element in aluminium alloy in step one is Si:0.1%, Fe:1.3%, Cu:0.03%, Mn:0.6%, Mg:0.05%, Cr:0.05%, Zn:0.05%, Ti:0.05%, single impurity :≤0.05%, add up to impurity :≤0.15%, all the other are aluminium.
4. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that at 610 DEG C, being smelted into molten aluminium alloy in step one.
5. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that the technique of aluminium alloy solution by casting temp 720 DEG C, casting speed 64mm/min being cast in step 2.
6. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that the technique of aluminium alloy solution by casting temp 740 DEG C, casting speed 62mm/min being cast in step 2.
7. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that in step 3, aluminium alloy cast ingot carries out hot rolling at 510 DEG C.
8. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that process annealing at 440 DEG C in step 3.
9. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that process annealing at 450 DEG C in step 3.
10. a kind of manufacture method that can be used for hand phone battery case hush panel aluminium alloy strips according to claim 1, is characterized in that carrying out finish rolling with the working modulus of 34% in step 3, and obtain S801H14 aluminium alloy strips, its specification is 1.0/1.5/2.0
± 0.02mm × 620mm.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521246A (en) * | 2016-10-10 | 2017-03-22 | 上海华峰新材料研发科技有限公司 | Material for battery shell aluminum alloy explosion-proof valve and manufacturing method thereof |
| CN107502787A (en) * | 2017-08-15 | 2017-12-22 | 中铝瑞闽股份有限公司 | A kind of new energy battery cover explosion-proof valve aluminium alloy strips and preparation method thereof |
| CN107723497A (en) * | 2017-10-04 | 2018-02-23 | 长沙仲善新能源科技有限公司 | Aluminum alloy strip for mobile phone battery shell and its manufacture method |
| CN110527878A (en) * | 2019-09-23 | 2019-12-03 | 东莞市灿煜金属制品有限公司 | A kind of manufacturing method of laptop dedicated aluminium alloy |
Citations (3)
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| CN101736182A (en) * | 2009-12-28 | 2010-06-16 | 东北轻合金有限责任公司 | Aluminum alloy strip for mobile phone battery shell and manufacturing method thereof |
| CN102094159A (en) * | 2010-12-17 | 2011-06-15 | 江苏常铝铝业股份有限公司 | Method for manufacturing aluminum alloy strip for battery shell |
| CN103328667A (en) * | 2011-02-02 | 2013-09-25 | 日本轻金属株式会社 | Aluminum alloy sheet for battery case having good moldability and weldability |
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2015
- 2015-09-22 CN CN201510604266.1A patent/CN105039797A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736182A (en) * | 2009-12-28 | 2010-06-16 | 东北轻合金有限责任公司 | Aluminum alloy strip for mobile phone battery shell and manufacturing method thereof |
| CN102094159A (en) * | 2010-12-17 | 2011-06-15 | 江苏常铝铝业股份有限公司 | Method for manufacturing aluminum alloy strip for battery shell |
| CN103328667A (en) * | 2011-02-02 | 2013-09-25 | 日本轻金属株式会社 | Aluminum alloy sheet for battery case having good moldability and weldability |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521246A (en) * | 2016-10-10 | 2017-03-22 | 上海华峰新材料研发科技有限公司 | Material for battery shell aluminum alloy explosion-proof valve and manufacturing method thereof |
| CN106521246B (en) * | 2016-10-10 | 2018-01-02 | 上海华峰新材料研发科技有限公司 | Material and its manufacture method for battery case aluminium alloy explosion-proof valve |
| CN107502787A (en) * | 2017-08-15 | 2017-12-22 | 中铝瑞闽股份有限公司 | A kind of new energy battery cover explosion-proof valve aluminium alloy strips and preparation method thereof |
| CN107502787B (en) * | 2017-08-15 | 2019-02-22 | 中铝瑞闽股份有限公司 | A kind of new energy battery cover explosion-proof valve aluminium alloy strips and preparation method thereof |
| CN107723497A (en) * | 2017-10-04 | 2018-02-23 | 长沙仲善新能源科技有限公司 | Aluminum alloy strip for mobile phone battery shell and its manufacture method |
| CN110527878A (en) * | 2019-09-23 | 2019-12-03 | 东莞市灿煜金属制品有限公司 | A kind of manufacturing method of laptop dedicated aluminium alloy |
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Application publication date: 20151111 |