CN105238963A - Aluminum alloy mobile phone shell and manufacturing method thereof - Google Patents
Aluminum alloy mobile phone shell and manufacturing method thereof Download PDFInfo
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- CN105238963A CN105238963A CN201510707995.XA CN201510707995A CN105238963A CN 105238963 A CN105238963 A CN 105238963A CN 201510707995 A CN201510707995 A CN 201510707995A CN 105238963 A CN105238963 A CN 105238963A
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Abstract
An aluminum alloy mobile phone shell is made of an aluminum alloy material which comprises 0.8%-1.5% of Mg, 0.4%-0.9% of Si, 0.2%-1.2% of Co, and the balance Al and inevitable impurities. The aluminum alloy material for manufacturing the aluminum alloy mobile phone shell comprises 0.8%-1.5% of Mg, 0.4%-0.9% of Si, 0.2%-1.2% of Co, and the balance Al and inevitable impurities. A method for manufacturing the aluminum alloy mobile phone shell comprises the step of forming the aluminum alloy mobile phone shell through the aluminum alloy material. The aluminum alloy material is especially suitable for manufacturing the mobile phone shell with the high-strength requirement, and meets the requirements of thin-walled shell members with high appearance and performance requirements.
Description
Technical field
The present invention relates to a kind of aluminium alloy handset shell and preparation method thereof.
Background technology
The preparation method of aluminium alloy handset shell mainly contains the techniques such as die casting, extruding+CNC, punching press, wherein aluminium diecast alloy is difficult to the anodic oxidation effect that obtained, although extruding+CNC technique can obtain good anodic oxidation effect, but CNC amount of finish is large, cost is high, and Sheet Metal Forming Technology had both had the advantage of extrusion process low cost, good anodic oxidation effect can be obtained again simultaneously, thus become the preferred version of handset shell gradually.
In current industry, the general processability good 6063 that adopts is as the starting material of impact briquetting handset shell, but along with intelligent machine moves towards screen enlarging gradually, lightening, multifunction, the continuous growth of main flow screen size, larger screen needs the material of more high strength to support, traditional 6063 can not meet the requirement of existing housing to intensity, and the aluminium alloy formability of other high strength existing can not meet the demands, therefore, need exploitation badly and a kind ofly possess high strength and the aluminium alloy of impact briquetting performance excellence, to be used for producing high performance aluminium alloy handset shell.
Summary of the invention
Main purpose of the present invention is to overcome the deficiencies in the prior art, provides aluminium alloy handset shell made by aluminium alloy of a kind of high strength, impact briquetting performance excellence and preparation method thereof.
For achieving the above object, the present invention is by the following technical solutions:
A kind of aluminium alloy handset shell, adopt aluminum alloy materials to make, described aluminum alloy materials comprises the Mg of 0.8% ~ 1.5%, the Si of 0.4% ~ 0.9%, the Co of 0.2% ~ 1.2%, and surplus is Al and inevitable impurity.
For making an aluminum alloy materials for handset shell, described aluminum alloy materials comprises the Mg of 0.8% ~ 1.5%, the Si of 0.4% ~ 0.9%, the Co of 0.2% ~ 1.2%, and surplus is Al and inevitable impurity.
Make a method for described aluminum alloy materials, comprise the following steps:
Furnace temperature preheating, adds 99.97% fine aluminium 86.6 weight part, closes after fusing until fine aluminium, be warming up to 800 DEG C, add Al-5%Co master alloy 10 weight part, Al-20%Si master alloy 2.5 weight part, temperature is down to 700 DEG C, add pure magnesium 0.9 weight part, by bottom pure magnesium press-in melt 2 ~ 3 minutes, until the fusing of pure magnesium, be again warming up to 730 ~ 750 DEG C, add refining agent simultaneously and carry out refining slagging-off, pour into a mould after leaving standstill 10Min; Ingot casting, after 550 DEG C/5h is even, is squeezed into the section bar of required specification.
Further comprising the steps of: described section bar, after 2 passages, 480 DEG C/4h annealing+cold stamping, carries out 520 DEG C/4h solution treatment, after shrend, carries out 180 DEG C/8h ageing treatment.
Make a method for described aluminum alloy materials, comprise the following steps:
Furnace temperature preheating, adds 99.97% fine aluminium 76.6 weight part, closes after fusing until fine aluminium, be warming up to 800 DEG C, add Al-5%Co master alloy 20 weight part, Al-20%Si master alloy 2.5 weight part, temperature is down to 700 DEG C, add pure magnesium 0.9 weight part, by bottom pure magnesium press-in melt 2 ~ 3 minutes, until the fusing of pure magnesium, be again warming up to 730 ~ 750 DEG C, add refining agent simultaneously and carry out refining slagging-off, pour into a mould after leaving standstill 10Min; Ingot casting, after 520 DEG C/5h is even, is squeezed into the section bar of required specification.
Further comprising the steps of: described section bar, after 2 passages, 480 DEG C/4h annealing+cold stamping, carries out 520 DEG C/4h solution treatment, after shrend, carries out 180 DEG C/8h ageing treatment.
Make a method for aluminium alloy handset shell, use described aluminum alloy materials to mold described aluminium alloy handset shell.
Make a method for aluminium alloy handset shell, comprise the following steps:
Aluminum alloy materials is made according to the method for the aluminum alloy materials described in making;
Described aluminum alloy materials is used to mold aluminium alloy handset shell.
Traditional Al-Mg-Si alloy possesses good processability, but in the process preparing handset shell, needs, through multi-pass stamping procedure and repeatedly annealing softening process, easily to cause grain growth, worsen processability and alloy strength.The Al-Mg-Si alloy containing Co is made according to the above-mentioned special formulation of the present invention, energy crystal grain thinning, disperse is had to pretend use, the grain growth that punching course multi-pass is annealed can be suppressed, keep alloy fine crystalline structure well, effectively improve alloy strength simultaneously, especially can significantly improve impact briquetting performance and the intensity of alloy, and there is good anodic oxidation performance.Alloy of the present invention is compared with traditional Al-Mg-Si alloy, possesses very excellent impact briquetting performance, have high strength simultaneously, be specially adapted to need through multi-pass impact briquetting, need the handset shell preparation possessing higher-strength simultaneously, meet the requirement of the thin wall housing member of apperance and performance requriements.
Embodiment
Below embodiments of the present invention are elaborated.It is emphasized that following explanation is only exemplary, instead of in order to limit the scope of the invention and apply.
In one embodiment, a kind of Al-Mg-Si alloy containing Co, comprise the Mg of 0.8% ~ 1.5%, the Si of 0.4% ~ 0.9%, the Co of 0.2% ~ 1.2%, surplus is Al and other inevitable impurity.
In one embodiment, a kind of aluminum alloy materials for making handset shell, described aluminum alloy materials comprises the Mg of 0.8% ~ 1.5%, the Si of 0.4% ~ 0.9%, the Co of 0.2% ~ 1.2%, and surplus is Al and inevitable impurity.
In one embodiment, a kind of method making aluminium alloy handset shell, uses described aluminum alloy materials to mold aluminium alloy handset shell.
Make a method for described aluminum alloy materials, two kinds of preferred embodiments are provided below.
Embodiment 1
Furnace temperature preheating, adds 99.97% fine aluminium 86.6Kg, closes after fusing until fine aluminium, be warming up to 800 DEG C, add Al-5%Co master alloy 10Kg, Al-20%Si master alloy 2.5Kg, temperature is down to 700 DEG C, add pure magnesium 0.9Kg, by bottom pure magnesium press-in melt 2 ~ 3 minutes, until the fusing of pure magnesium, be again warming up to 730 ~ 750 DEG C, add refining agent simultaneously and carry out refining slagging-off, pour into a mould after leaving standstill 10Min.Ingot casting, after 550 DEG C/5h is even, is squeezed into the section bar of required specification.After 2 passages, 480 DEG C/4h annealing+cold stamping, carry out 520 DEG C/4h solution treatment, after shrend, carry out 180 DEG C/8h ageing treatment.
Embodiment 2
Furnace temperature preheating, adds 99.97% fine aluminium 76.6Kg, closes after fusing until fine aluminium, be warming up to 800 DEG C, add Al-5%Co master alloy 20Kg, Al-20%Si master alloy 2.5Kg, temperature is down to 700 DEG C, add pure magnesium 0.9Kg, by bottom pure magnesium press-in melt 2 ~ 3 minutes, until the fusing of pure magnesium, be again warming up to 730 ~ 750 DEG C, add refining agent simultaneously and carry out refining slagging-off, pour into a mould after leaving standstill 10Min.Ingot casting, after 520 DEG C/5h is even, is squeezed into the section bar of required specification.After 2 passages, 480 DEG C/4h annealing+cold stamping, carry out 520 DEG C/4h solution treatment, after shrend, carry out 180 DEG C/8h ageing treatment.
Comparative example
Furnace temperature preheating, adds 99.97% fine aluminium 96.6Kg, and close after fusing until fine aluminium, temperature is down to 700 DEG C, add pure magnesium 0.9Kg, by bottom pure magnesium press-in melt 2 ~ 3 minutes, until the fusing of pure magnesium, again be warming up to 730 ~ 750 DEG C, add refining agent simultaneously and carry out refining slagging-off, pour into a mould after leaving standstill 10Min.Ingot casting, after 520 DEG C/5h is even, is squeezed into the section bar of required specification.After 2 passages, 480 DEG C/4h annealing+cold stamping, carry out 520 DEG C/4h solution treatment, after shrend, carry out 180 DEG C/8h ageing treatment.
Embodiment 1, embodiment 2 and the Al-Mg-Si alloy performance comparison made by comparative example (only providing for the object of performance test, non-prior art) are as following table 1.
Table 1 performance formula comparison sheet
| Tensile strength MPa | Unit elongation % | |
| Embodiment 1 | 320 | 16 |
| Embodiment 2 | 360 | 14 |
| Comparative example | 240 | 14 |
According to the Al-Mg-Si alloy of the embodiment of the present invention, the Al-Mg-Si alloy of its strength ratio comparative example is significantly improved, and the alloy of the embodiment of the present invention possesses good processability in multi-pass annealing+cold stamping process simultaneously.
According to some embodiments, a kind of method making aluminium alloy handset shell, comprises the following steps:
Aluminum alloy materials is made according to a kind of above-mentioned method making aluminum alloy materials;
Obtained aluminum alloy materials is used to mold aluminium alloy handset shell.
Above content combines concrete/preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; its embodiment that can also describe these makes some substituting or modification, and these substitute or variant all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. an aluminium alloy handset shell, adopt aluminum alloy materials to make, it is characterized in that, described aluminum alloy materials comprises the Mg of 0.8% ~ 1.5%, the Si of 0.4% ~ 0.9%, the Co of 0.2% ~ 1.2%, and surplus is Al and inevitable impurity.
2. for making an aluminum alloy materials for handset shell, it is characterized in that, described aluminum alloy materials comprises the Mg of 0.8% ~ 1.5%, the Si of 0.4% ~ 0.9%, the Co of 0.2% ~ 1.2%, and surplus is Al and inevitable impurity.
3. make a method for aluminum alloy materials according to claim 2, it is characterized in that, comprise the following steps:
Furnace temperature preheating, adds 99.97% fine aluminium 86.6 weight part, closes after fusing until fine aluminium, be warming up to 800 DEG C, add Al-5%Co master alloy 10 weight part, Al-20%Si master alloy 2.5 weight part, temperature is down to 700 DEG C, add pure magnesium 0.9 weight part, by bottom pure magnesium press-in melt 2 ~ 3 minutes, until the fusing of pure magnesium, be again warming up to 730 ~ 750 DEG C, add refining agent simultaneously and carry out refining slagging-off, pour into a mould after leaving standstill 10Min; Ingot casting, after 550 DEG C/5h is even, is squeezed into the section bar of required specification.
4. method as claimed in claim 3, is characterized in that, further comprising the steps of: described section bar, after 2 passages, 480 DEG C/4h annealing+cold stamping, carries out 520 DEG C/4h solution treatment, after shrend, carries out 180 DEG C/8h ageing treatment.
5. make a method for aluminum alloy materials according to claim 2, it is characterized in that, comprise the following steps:
Furnace temperature preheating, adds 99.97% fine aluminium 76.6 weight part, closes after fusing until fine aluminium, be warming up to 800 DEG C, add Al-5%Co master alloy 20 weight part, Al-20%Si master alloy 2.5 weight part, temperature is down to 700 DEG C, add pure magnesium 0.9 weight part, by bottom pure magnesium press-in melt 2 ~ 3 minutes, until the fusing of pure magnesium, be again warming up to 730 ~ 750 DEG C, add refining agent simultaneously and carry out refining slagging-off, pour into a mould after leaving standstill 10Min; Ingot casting, after 520 DEG C/5h is even, is squeezed into the section bar of required specification.
6. method as claimed in claim 5, is characterized in that, further comprising the steps of: described section bar, after 2 passages, 480 DEG C/4h annealing+cold stamping, carries out 520 DEG C/4h solution treatment, after shrend, carries out 180 DEG C/8h ageing treatment.
7. make a method for aluminium alloy handset shell, it is characterized in that, use the aluminum alloy materials described in claim 2 to mold described aluminium alloy handset shell.
8. make a method for aluminium alloy handset shell, it is characterized in that, comprise the following steps:
Aluminum alloy materials is made according to the method described in any one of claim 3-6;
Described aluminum alloy materials is used to mold aluminium alloy handset shell.
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| CN201510707995.XA CN105238963B (en) | 2015-10-26 | 2015-10-26 | A kind of aluminium alloy handset shell and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642749A (en) * | 2016-03-17 | 2016-06-08 | 奕东电子(常熟)有限公司 | Stamping method for metal rear cover of mobile phone |
| CN106244950A (en) * | 2016-07-26 | 2016-12-21 | 路望培 | A kind of mobile phone shell and preparation method thereof |
| CN107299260A (en) * | 2017-07-12 | 2017-10-27 | 合肥展游软件开发有限公司 | A kind of phone housing and its preparation technology |
| CN107584110A (en) * | 2017-08-14 | 2018-01-16 | 东莞华晶粉末冶金有限公司 | A kind of aluminium alloy cerul MIM feedings and preparation method thereof |
| CN112538597A (en) * | 2020-10-19 | 2021-03-23 | 东莞长盈精密技术有限公司 | Aluminum alloy shell and preparation method and application thereof |
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| JP2004190090A (en) * | 2002-12-11 | 2004-07-08 | Sumitomo Chem Co Ltd | High purity aluminum alloy material |
| CN101280400A (en) * | 2007-04-04 | 2008-10-08 | 杰出材料科技股份有限公司 | Preparation of high-strength aluminum alloy for outer casing of electronic product |
| CN102433475A (en) * | 2011-12-15 | 2012-05-02 | 贵州华科铝材料工程技术研究有限公司 | High-strength and high-hardness aluminum alloy and preparation method thereof |
| CN103981404A (en) * | 2014-05-04 | 2014-08-13 | 南安市国高建材科技有限公司 | Corrosion resistant tractable aluminium alloy sheet material, manufacturing method and application |
| CN104911398A (en) * | 2015-07-08 | 2015-09-16 | 郭策 | Mobile phone shell |
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2015
- 2015-10-26 CN CN201510707995.XA patent/CN105238963B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004190090A (en) * | 2002-12-11 | 2004-07-08 | Sumitomo Chem Co Ltd | High purity aluminum alloy material |
| CN101280400A (en) * | 2007-04-04 | 2008-10-08 | 杰出材料科技股份有限公司 | Preparation of high-strength aluminum alloy for outer casing of electronic product |
| CN102433475A (en) * | 2011-12-15 | 2012-05-02 | 贵州华科铝材料工程技术研究有限公司 | High-strength and high-hardness aluminum alloy and preparation method thereof |
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| CN104911398A (en) * | 2015-07-08 | 2015-09-16 | 郭策 | Mobile phone shell |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642749A (en) * | 2016-03-17 | 2016-06-08 | 奕东电子(常熟)有限公司 | Stamping method for metal rear cover of mobile phone |
| CN106244950A (en) * | 2016-07-26 | 2016-12-21 | 路望培 | A kind of mobile phone shell and preparation method thereof |
| CN107299260A (en) * | 2017-07-12 | 2017-10-27 | 合肥展游软件开发有限公司 | A kind of phone housing and its preparation technology |
| CN107584110A (en) * | 2017-08-14 | 2018-01-16 | 东莞华晶粉末冶金有限公司 | A kind of aluminium alloy cerul MIM feedings and preparation method thereof |
| CN112538597A (en) * | 2020-10-19 | 2021-03-23 | 东莞长盈精密技术有限公司 | Aluminum alloy shell and preparation method and application thereof |
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| CN105238963B (en) | 2017-05-31 |
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Address after: 523843 Guangdong Province, Dongguan city Changan town Kam Ha Jin Road No. 1 Community Co-patentee after: Guangdong wins smart group Limited by Share Ltd Patentee after: DONGGUAN HUACHENG METAL TECHNOLOGY CO., LTD. Address before: 523843 Guangdong Province, Dongguan city Changan town Kam Ha Jin Road No. 1 Community Co-patentee before: Dongguan Janus Precision Components Co., Ltd. Patentee before: DONGGUAN HUACHENG METAL TECHNOLOGY CO., LTD. |
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Granted publication date: 20170531 Termination date: 20201026 |