CN105506416B - The manufacture method of plate high-strength aluminum alloy band in a kind of support available for mobile phone - Google Patents
The manufacture method of plate high-strength aluminum alloy band in a kind of support available for mobile phone Download PDFInfo
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- CN105506416B CN105506416B CN201610036744.8A CN201610036744A CN105506416B CN 105506416 B CN105506416 B CN 105506416B CN 201610036744 A CN201610036744 A CN 201610036744A CN 105506416 B CN105506416 B CN 105506416B
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- aluminium alloy
- mobile phone
- aluminum alloy
- strength aluminum
- aluminium
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- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22F1/047—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 of alloys with magnesium as the next major constituent
Abstract
The present invention discloses a kind of manufacture method of plate high-strength aluminum alloy band in support available for mobile phone, includes following steps：（1）It is prepared by molten aluminium alloy；（2）Casting；（3）Hot rolling, cold rolling and finish rolling；Ingot casting composition, tissue are controlled by founding, then the hot rolling, cold rolling and intermediate annealing process of optimization are passed through, make the intensity and Deformation structure that the holding of plate high-strength aluminum alloy band is higher in mobile phone support, make it have higher tensile strength, yield strength and elongation percentage, the MPa of tensile strength >=380, the MPa of yield strength >=330, elongation percentage >=10%.The inventive method realizes the raising of aluminium alloy strips elongation percentage, forms good punch forming performance, and technique is simple, easily realizes, and punching press yield is high, it is not necessary to increases special special equipment.
Description
Technical field
The present invention relates to sheet metal strip art, refers in particular to plate high-strength aluminum alloy in a kind of support available for mobile phone
The manufacture method of band.
Background technology
It is presently used for plate in the support on mobile phone and mainly uses stainless steel plate, however, not only material is heavier for stainless steel plate,
And be magnetic, influence be present in the use on mobile phone.Have at present by the way of aluminium sheet, but traditional 5 are that aluminium sheet is for example strong
Degree is high, then elongation percentage is low, as elongation percentage is high, then low intensity, it is difficult to intensity and extensibility be taken into account, so as to which punching stretch can not be met
Shaping.
The content of the invention
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide one kind and can be used for mobile phone the present invention
The manufacture method of plate high-strength aluminum alloy band in support, its can effectively solve plate in existing mobile phone support exist weight weight,
The problem of being magnetic or punching stretch forming can not be met.
To achieve the above object, the present invention is using following technical scheme：
The manufacture method of plate high-strength aluminum alloy band, includes following steps in a kind of support available for mobile phone：
（1）It is prepared by molten aluminium alloy：The determination of chemical composition, the mass percent of each element is in aluminium alloy：Si：
Less than 0.15%, Fe：Less than 0.2%, Cu：Less than 0.05%, Mn：Less than 0.3%, Mg：5.3-6.0%, Cr：0.15 with
Lower %, Zn：Less than 0.1%, Ti：Less than 0.25%, single impurity：≤ 0.05%, impurity is added up to：≤ 0.15%, remaining is
Aluminium；Mass percent according to above-mentioned each element weighs among high-purity aluminium ingot, aluminium manganese, magnalium that aluminium content is 99.85% respectively
Alloy is then added in smelting furnace as raw material, molten aluminium alloy is smelted at 620 DEG C~650 DEG C；
（2）Casting：By aluminium alloy solution by 700 DEG C~750 DEG C of casting temperature, 60~65mm/min of casting speed technique
Cast, air cooling of coming out of the stove, the aluminium alloy cast ingot that specification is 300mm × 640mm × 4000mm is sawed into after railway carriage；
（3）Hot rolling, cold rolling and finish rolling：Aluminium alloy cast ingot carries out hot rolling at 500 DEG C~520 DEG C, specification be 9.0mm ×
640mm, then by 5182 alloy strip steel rolled stocks rolling rate system carry out cold rolling, the then intermediate annealing at 430 DEG C~460 DEG C,
Finish rolling is carried out with 56% working modulus again, aluminium alloy strips is obtained, stabilization processes is then carried out under 180 DEG C of low temperature, i.e., it is complete
The manufacture of plate high-strength aluminum alloy band into being supported available for mobile phone.
As a kind of preferred scheme, the step（1）In be smelted into molten aluminium alloy at 630 DEG C.
As a kind of preferred scheme, the step（2）It is middle that aluminium alloy solution is pressed into 750 DEG C of casting temperature, casting speed
60mm/min technique is cast.
As a kind of preferred scheme, the step（2）It is middle that aluminium alloy solution is pressed into 740 DEG C of casting temperature, casting speed
62mm/min technique is cast.
As a kind of preferred scheme, the step（3）Middle aluminium alloy cast ingot carries out hot rolling at 510 DEG C.
As a kind of preferred scheme, the step（3）In the intermediate annealing at 440 DEG C.
As a kind of preferred scheme, the step（3）In the intermediate annealing at 450 DEG C.
As a kind of preferred scheme, the step（3）In finish rolling carried out with 56% working modulus, obtain S801 H14
Aluminium alloy strips, its specification are 0.4/0.6/0.8 ± 0.02mm × 620mm.
As a kind of preferred scheme, the step（3）In, in 180 DEG C of furnace temperature, stabilized with 1.5 ms/min of continuitys
Processing, obtain stablizing the aluminium alloy strips of H38 states.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand：
Aluminium alloy strips produced by the present invention are a kind of new Al- Mg alloys, by founding control ingot casting into
Divide, tissue, then by the hot rolling, cold rolling and intermediate annealing process of optimization, make plate high-strength aluminum alloy band in mobile phone support
Higher intensity and Deformation structure are kept, makes it have higher tensile strength, yield strength and elongation percentage, tensile strength >=
380 MPa, the MPa of yield strength >=330, elongation percentage >=10%.The inventive method realizes the raising of aluminium alloy strips elongation percentage,
Good punch forming performance is formed, technique is simple, easily realizes, and punching press yield is high, it is not necessary to increase special special set
It is standby.And the product alloy proportion of the present invention adds the content of Mg, Ti element, improves aluminum alloy strip microscopic structure and second
Distributional pattern, size, structure and the quantity of phase particle, grain structure uniformly refine, and then improve the strong of aluminium alloy strips material
Degree and good stamping formabilily.Present invention manufacture gained aluminium alloy strips be used in mobile phone support plate in plate, tablet personal computer,
Electronic display, radome, light weight, without magnetic, energy-conserving and environment-protective is preferable alternative materials of the stainless steel in terms of 3C.
Embodiment
Embodiment 1：
Present embodiment discloses a kind of manufacture method of plate high-strength aluminum alloy band in support available for mobile phone, includes
Following steps：
（1）It is prepared by molten aluminium alloy：The determination of chemical composition, the mass percent of each element is in aluminium alloy：Si：
Less than 0.15%, Fe：Less than 0.2%, Cu：Less than 0.05%, Mn：Less than 0.3%, Mg：5.3-6.0%, Cr：0.15 with
Lower %, Zn：Less than 0.1%, Ti：Less than 0.25%, single impurity：≤ 0.05%, impurity is added up to：≤ 0.15%, remaining is
Aluminium；Mass percent according to above-mentioned each element weighs among high-purity aluminium ingot, aluminium manganese, magnalium that aluminium content is 99.85% respectively
Alloy is then added in smelting furnace as raw material, molten aluminium alloy is smelted at 620 DEG C~650 DEG C.
（2）Casting：By aluminium alloy solution by 700 DEG C~750 DEG C of casting temperature, 60~65mm/min of casting speed technique
Cast, air cooling of coming out of the stove, the aluminium alloy cast ingot that specification is 300mm × 640mm × 4000mm is sawed into after railway carriage.
（3）Hot rolling, cold rolling and finish rolling：Aluminium alloy cast ingot carries out hot rolling at 500 DEG C~520 DEG C, specification be 9.0mm ×
640mm, then by the rolling rate system progress cold rolling of 5182 alloy strip steel rolled stocks, the intermediate annealing at 430 DEG C~460 DEG C, then with
56% working modulus carries out finish rolling, obtains aluminium alloy strips, stabilization processes are then carried out under 180 DEG C of low temperature, that is, completing can
The manufacture of plate high-strength aluminum alloy band in being supported for mobile phone.
Embodiment 2：
The present embodiment is unlike previous embodiment 1, step（1）The mass percent of each element is in middle aluminium alloy
Si：Less than 0.15%, Fe：Less than 0.2%, Cu：Less than 0.05%, Mn：Less than 0.3%, Mg：5.3-6.0%, Cr：0.15 with
Lower %, Zn：Less than 0.1%, Ti：Less than 0.25%, single impurity：≤ 0.05%, impurity is added up to：≤ 0.15%, remaining is
Aluminium.Other steps and parameter are same as Example 1.
Embodiment 3：
The present embodiment is unlike embodiment 1 or 2, step（1）The mass percent of each element is Si in middle aluminium alloy：
Less than 0.15%, Fe：Less than 0.2%, Cu：Less than 0.05%, Mn：Less than 0.3%, Mg：5.3-6.0%, Cr：0.15 with
Lower %, Zn：Less than 0.1%, Ti：Less than 0.25%, single impurity：≤ 0.05%, impurity is added up to：≤ 0.15%, remaining is
Aluminium.Other steps and parameter are identical with embodiment 1 or 2.
Embodiment 4：
Unlike one of the present embodiment and embodiment 1 to 3, step（1）In be smelted into molten aluminium alloy at 610 DEG C.
Other steps and parameter are identical with one of embodiment 1 to 3.
Embodiment 5：
Unlike one of the present embodiment and embodiment 1 to 5, step（2）It is middle that aluminium alloy solution is pressed into casting temperature 720
DEG C, casting speed 64mm/min technique cast.Other steps and parameter are identical with one of embodiment 1 to 4.
Embodiment 6：
Unlike one of the present embodiment and embodiment 1 to 5, step（2）It is middle that aluminium alloy solution is pressed into casting temperature 740
DEG C, casting speed 62mm/min technique cast.Other steps and parameter are identical with one of embodiment 1 to 5.
Embodiment 7：
Unlike one of the present embodiment and embodiment 1 to 6, step（3）Middle aluminium alloy cast ingot carries out heat at 510 DEG C
Roll.Other steps and parameter are identical with one of embodiment 1 to 6.
Embodiment 8：
Unlike one of the present embodiment and embodiment 1 to 7, step（3）In the intermediate annealing at 440 DEG C.Other steps
And parameter is identical with one of embodiment 1 to 7.
Embodiment 9：
Unlike one of the present embodiment and embodiment 1 to 8, step（3）In the intermediate annealing at 450 DEG C.Other steps
And parameter is identical with one of embodiment 1 to 8.
Embodiment 10：
Unlike one of the present embodiment and embodiment 1 to 9, step（3）In 56% working modulus carry out finish rolling, obtain aluminium
Alloy strip steel rolled stock, its specification are 0.4/0.6/0.8 ± 0.02mm × 620mm.One of other steps and parameter and embodiment 1 to 9 phase
Together.
Carry out tensile strength, yield strength and elongation percentage to above-described embodiment below to test, its method of testing is existing
There is technology, method of testing is not described in detail at this, test result is as shown in the table：
From above table, aluminium alloy strips its tensile strength >=380MPa that the present invention makes；Yield strength >=330
MPa, elongation percentage >=10%.It can be seen that the intensity and elongation percentage of present invention manufacture gained aluminium alloy strips are fine, mobile phone thus be accordingly used in
Plate, electronic display, radome in plate, tablet personal computer in support, light weight, without magnetic, energy-conserving and environment-protective is stainless steel in terms of 3C
Preferable alternative materials.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example, still
Belong in the range of technical solution of the present invention.
Claims (6)
- A kind of 1. manufacture method of plate high-strength aluminum alloy band in support available for mobile phone, it is characterised in that：Include following Step：（1）It is prepared by molten aluminium alloy：The determination of chemical composition, the mass percent of each element is in aluminium alloy：Si：0.15% with Under, Fe：Less than 0.2%, Cu：Less than 0.05%, Mn：Less than 0.3%, Mg：5.3-6.0%, Cr：Less than 0.15 %, Zn： Less than 0.1%, Ti：Less than 0.25%, single impurity：≤ 0.05%, impurity is added up to：≤ 0.15%, remaining is aluminium；According to upper The mass percent for stating each element weighs high-purity aluminium ingot, aluminium manganese, magnalium intermediate alloy the conduct original that aluminium content is 99.85% respectively Material, is then added in smelting furnace, molten aluminium alloy is smelted at 630 DEG C；（2）Casting：Aluminium alloy solution is cast by 750 DEG C of casting temperature, casting speed 60mm/min technique, sky of coming out of the stove It is cold, the aluminium alloy cast ingot that specification is 300mm × 640mm × 4000mm is sawed into after railway carriage；（3）Hot rolling, cold rolling and finish rolling：Aluminium alloy cast ingot carries out hot rolling at 500 DEG C~520 DEG C, specification be 9.0mm × 640mm, then by 5182 alloy strip steel rolled stocks rolling rate system carry out cold rolling, the then intermediate annealing at 430 DEG C~460 DEG C, Finish rolling is carried out with 56% working modulus again, aluminium alloy strips is obtained, stabilization processes is then carried out under 180 DEG C of low temperature, i.e., it is complete The manufacture of plate high-strength aluminum alloy band into being supported available for mobile phone.
- 2. the manufacture method of plate high-strength aluminum alloy band in a kind of support available for mobile phone according to claim 1, its It is characterised by：The step（3）Middle aluminium alloy cast ingot carries out hot rolling at 510 DEG C.
- 3. the manufacture method of plate high-strength aluminum alloy band in a kind of support available for mobile phone according to claim 1, its It is characterised by：The step（3）In the intermediate annealing at 440 DEG C.
- 4. the manufacture method of plate high-strength aluminum alloy band in a kind of support available for mobile phone according to claim 1, its It is characterised by：The step（3）In the intermediate annealing at 450 DEG C.
- 5. the manufacture method of plate high-strength aluminum alloy band in a kind of support available for mobile phone according to claim 1, its It is characterised by：The step（3）In with 56% working modulus carry out finish rolling, obtain S801 H14 aluminium alloy strips, its specification For 0.4/0.6/0.8 ± 0.02mm × 620mm.
- 6. the manufacture method of plate high-strength aluminum alloy band in a kind of support available for mobile phone according to claim 1, its It is characterised by：The step（3）In, in 180 DEG C of furnace temperature, with 1.5 ms/min of continuity stabilization processes, obtain stablizing H38 The aluminium alloy strips of state.
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| CN201610036744.8A CN105506416B (en) | 2016-01-20 | 2016-01-20 | The manufacture method of plate high-strength aluminum alloy band in a kind of support available for mobile phone |
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| CN106544557A (en) * | 2016-12-21 | 2017-03-29 | 东莞市灿煜金属制品有限公司 | A kind of manufacture method for meeting high-end oxidation requirements high-strength aluminium alloy plate band |
| CN107475583A (en) * | 2017-08-18 | 2017-12-15 | 中铝瑞闽股份有限公司 | Plate aluminium alloy strips and its manufacture method in a kind of high intensity mobile phone |
| CN108193098A (en) * | 2017-12-28 | 2018-06-22 | 池州市安安精工铝业有限公司 | A kind of high-strength aluminum-magnesium alloy for bike rack component |
| CN109097640B (en) * | 2018-09-19 | 2020-04-21 | 东莞市灿煜金属制品有限公司 | Manufacturing method of etchable high-strength aluminum for middle plate of mobile phone |
| CN109097641B (en) * | 2018-09-19 | 2020-01-14 | 东莞市灿煜金属制品有限公司 | Manufacturing method of high-strength mirror-surface-capable aluminum oxide suitable for integration of mobile phone rear shell and middle plate frame |
| CN110527878B (en) * | 2019-09-23 | 2021-06-18 | 东莞市灿煜金属制品有限公司 | Manufacturing method of aluminum alloy special for notebook computer |
| CN112322945A (en) * | 2020-10-29 | 2021-02-05 | 大力神铝业股份有限公司 | Aluminum alloy material for 3C product and preparation method thereof |
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| JP3247149B2 (en) * | 1992-07-01 | 2002-01-15 | 三菱アルミニウム株式会社 | Manufacturing method of aluminum alloy sheet |
| CN104480359A (en) * | 2014-11-28 | 2015-04-01 | 广西南南铝加工有限公司 | Super-large-sized high-magnesium-content aluminum-alloy slab ingot and preparation method thereof |
| CN104894442A (en) * | 2015-05-05 | 2015-09-09 | 山东南山铝业股份有限公司 | Aluminum alloy sheet material for vehicles and preparation method thereof |
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Effective date of registration: 20220629 Address after: Chongqing Dazu high tech Industrial Development Zone Patentee after: Chongqing Canyu metal products Co.,Ltd. Address before: Dongguan Canyu metal products Co., Ltd Patentee before: DONGGUAN CANYU METAL PRODUCT Co.,Ltd. |