CN109957690A - A kind of electronic product appearance member Al alloy composite preparation method - Google Patents
A kind of electronic product appearance member Al alloy composite preparation method Download PDFInfo
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- CN109957690A CN109957690A CN201910382231.6A CN201910382231A CN109957690A CN 109957690 A CN109957690 A CN 109957690A CN 201910382231 A CN201910382231 A CN 201910382231A CN 109957690 A CN109957690 A CN 109957690A
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- 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
- B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
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- 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
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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
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- 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
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- 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
- C22F1/053—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 zinc as the next major constituent
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- 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
- B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
Abstract
The present invention relates to a kind of preparation method of Al alloy composite, in particular to a kind of preparation method of electronic product appearance member Al alloy composite.A kind of electronic product appearance member Al alloy composite preparation method is prepared by core alloys and clad sheet alloy, is surface-treated, being welded and fixed, preheating, Al alloy composite finished product is made in hot rolling, cold rolling, solution hardening, timeliness.Higher 6 line aluminium alloy of 6 line aluminium alloys and intensity that the present invention is had excellent performance using low alloying, anodic oxidation carries out Rolling compund and prepares electronic product appearance member Al alloy composite product, compared with the single 6 line aluminium alloy material of prior art preparation, product of the present invention has had both high-intensitive and excellent anodic oxidation effect speciality, is the ideal material for manufacturing electronic product appearance member.
Description
Technical field
The present invention relates to a kind of preparation method of Al alloy composite, in particular to a kind of electronic product appearance member aluminium
The preparation method of alloy composite materials.
Background technique
Aluminum alloy materials are due to light weight, high, good, the surface oxidation treatment bright color beauty of thermal diffusivity of intensity etc.
Advantage, just gradually substituting steel and plastics becomes the 3C electronic product surface structure parts such as mobile phone, tablet computer, laptop
Preferred material.It is three big series that 3C electronic product appearance member aluminium alloy, which mainly has 5 systems, 6 systems, 7,.Wherein, 5 line aluminium alloy anode
Oxidation effectiveness is good, but hardness is lower, limited to the protecting effect of product；7 line aluminium alloy intensity hardness highests can be electronic product
Structural strength provide and adequately guarantee, but the line aluminium alloy always exists that anodic oxidation is difficult, the lower common fault of anode yield,
It is limited by very large its application；In contrast, although 6 line aluminium alloy intensity be only it is moderate, it is with good table
Surface anode oxidation effectiveness is widely used in 3C electronic product appearance member.
6 line aluminium alloys, such as 6063,6061 alloys are the main materials for manufacturing electronic product appearance member.6063 aluminium alloys tool
There is preferable anodic oxidation performance, but its intensity is lower；The intensity of 6061 aluminium alloys is higher than 6063 aluminium alloys, but the sun of material
Pole oxidation effectiveness is slightly poorer than 6063 aluminium alloys.The intensity and anodic oxidation performance of aluminum alloy materials are influenced by alloying component,
I.e. high intensity needs to realize by high-alloying, but high-alloying can deteriorate anodic oxidation effect.It is disclosed simultaneously
A kind of Al alloy composite is disclosed in patent application document (patent publication No. CN 108396209A), the aluminium alloy compound
Material is made by 6 systems and 7 line aluminium alloys, although resulting Al alloy composite intensity and anodic oxidation effect are improved,
But since the heat treatment process of 6 line aluminium alloys and 7 line aluminium alloys differs greatly, need to combine at the heat of two kinds of different metals
Science and engineering skill, thus the disadvantages of material still has low surface hardness, easy scratch.Currently, with the continuous development of electronic products, it is existing
The performance for the 6 line aluminium alloy materials for having technology to prepare is increasingly difficult to meet high-strength and anodic oxidation performance requirement.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of electronic product appearance member aluminium alloy compound material
Preparation method for material, 6 line aluminium alloys being had excellent performance using low alloying, anodic oxidation (6063 or 6463 alloy) are higher with intensity
6 line aluminium alloys (6013 or 6082 alloy) carry out Rolling compund, so that material is obtained excellent anodic oxidation effect, and have
Higher intensity and hardness.
The purpose of the present invention is achieved through the following technical solutions:
A kind of electronic product appearance member Al alloy composite preparation method, comprising the following steps:
(1) core alloys and the preparation of clad sheet alloy: core alloys plate and clad alloy sheets are prepared respectively
Material；
(2) it is surface-treated: the resulting core alloys plate of step (1) and clad sheet alloy is carried out at surface respectively
Reason；
(3) be welded and fixed: the core alloys plate and clad sheet alloy after step (2) are surface-treated are according to cladding
The combination of layer/sandwich layer is welded and fixed；
(4) preheating, hot rolling: the alloy plate that step (3) is welded is preheated, and heating temperature is 430~500 DEG C,
Heat preservation 3~15 hours carries out method hot rolling after the completion of heating, the composite sheet material with a thickness of 5~10mm is made；
(5) cold rolling: the method hot rolling coiled material that step (4) is obtained carries out cold rolling, and cold rolling obtains with a thickness of 0.6~4.0mm
Composite sheet material；
(6) the resulting composite sheet material of step (5) cold rolling solution hardening: is subjected to solution hardening；
(7) timeliness: the quenched composite sheet material of step (6) is subjected to ageing treatment, obtains Al alloy composite finished product.
Preferably, core alloys described in step (1) and clad alloy are 6 line aluminium alloys, the core alloys
Tensile strength be greater than clad alloy tensile strength.
Preferably, core alloys described in step (1) are 6013 or 6082 alloys, and the clad alloy is
6063 or 6463 alloys.
Preferably, core alloys described in step (1) and clad sheet alloy be by melting, degasification, filtering,
Casting, homogenizing annealing, sawing, milling face step are made.
Preferably, core alloys plate described in step (1) accounts for the 78%~94% of total composite thickness ratio, packet
Coating alloy plate accounts for the 6%~22% of total composite thickness ratio.
Preferably, solid solubility temperature described in step (6) is 530~580 DEG C, and speed is 8~50m/min.
Preferably, aging temp described in step (7) is 150~190 DEG C, and soaking time is 6~18 hours.
6 line aluminium alloys (6063 or 6463 alloy) and intensity that the present invention uses low alloying, anodic oxidation to have excellent performance
Higher 6 line aluminium alloy (6013 or 6082 alloy) carries out Rolling compund and prepares electronic product appearance member Al alloy composite
Product, compared with the single 6 line aluminium alloy material of prior art preparation, product of the present invention has had both high-intensitive, hardness and excellent
Different anodic oxidation effect is the ideal material for manufacturing electronic product appearance member.
Specific embodiment
Combined with specific embodiments below, further details of elaboration is made to the present invention, but embodiments of the present invention are not
It is confined to the range of embodiment expression.These embodiments are merely to illustrate the present invention, range and is not intended to limit the present invention.This
Outside, after reading the contents of the present invention, those skilled in the art can various modifications may be made to the present invention, these equivalent variations are same
Sample falls within the appended claims limited range of the present invention.
Embodiment 1
A kind of electronic product appearance member Al alloy composite, including core alloys layer and clad alloy-layer, sandwich layer
Alloy is 6013 alloys, and clad alloy is 6063 alloys；The preparation of the electronic product appearance member Al alloy composite
Method, operating procedure are as follows:
(1) core alloys and the preparation of clad sheet alloy: carrying out ingredient by the sandwich layer and clad alloying component of design,
The core alloys ingot casting and clad alloy cast ingot with a thickness of 580mm are respectively obtained after smelting, degasification, filtering, casting, then
Core alloys ingot casting and clad alloy cast ingot are subjected to homogenizing annealing respectively, sawing, milling face obtain the core with a thickness of 275mm
Layer sheet alloy and the clad sheet alloy with a thickness of 31mm, core alloys plate account for thickness proportion 90%, clad alloy
Plate accounts for thickness proportion 10%；
(2) it is surface-treated: core alloys plate and clad sheet alloy that step (1) obtains is carried out at surface respectively
Reason.Surface treatment, which refers to, does the cleanings such as greasy dirt, the aluminium skimmings of contact surface to be welded of core alloys plate and clad sheet alloy
Only；
(3) be welded and fixed: by after surface treatment core alloys plate and clad sheet alloy according to clad/sandwich layer
Combination is welded and fixed；
(4) preheating, hot rolling: the alloy plate that step (3) is welded is put into heating furnace and is preheated, heating temperature is
470 DEG C, 5 hours are kept the temperature, comes out of the stove after the completion of heating and carries out method hot rolling into milling train, hot rolling finishing temperature is 320 DEG C, and thickness is made
Degree is the composite sheet material of 10mm；
(5) cold rolling: (4) are obtained into method hot rolling coiled material and carry out cold rolling, are cold-rolled to the composite sheet material with a thickness of 1.2mm；
(6) solution hardening: cold rolling composite sheet material is subjected to solution hardening in air cushion furnace, solid solubility temperature is 565 DEG C, and speed is
50m/min；
(7) timeliness: carrying out ageing treatment for quenched composite sheet material, and aging temp is 165 DEG C, and soaking time is 10 small
When, obtain Al alloy composite finished product.
Embodiment 2
A kind of electronic product appearance member Al alloy composite, including core alloys layer and clad alloy-layer, sandwich layer
Alloy is 6013 alloys, and clad alloy is 6463 alloys；The preparation of the electronic product appearance member Al alloy composite
Method, operating procedure are as follows:
(1) core alloys and the preparation of clad sheet alloy: carrying out ingredient by the sandwich layer and clad alloying component of design,
The core alloys ingot casting and clad alloy cast ingot with a thickness of 580mm are respectively obtained after smelting, degasification, filtering, casting, then
Core alloys ingot casting and clad alloy cast ingot are subjected to homogenizing annealing respectively, sawing, milling face obtain the core with a thickness of 275mm
Layer sheet alloy and the clad sheet alloy with a thickness of 78mm, core alloys plate account for thickness proportion 78%, clad alloy
Plate accounts for thickness proportion 22%；
(2) it is surface-treated: core alloys plate and clad sheet alloy that step (1) obtains is carried out at surface respectively
Reason.Surface treatment, which refers to, does the cleanings such as greasy dirt, the aluminium skimmings of contact surface to be welded of core alloys plate and clad sheet alloy
Only；
(3) be welded and fixed: by after surface treatment core alloys plate and clad sheet alloy according to clad/sandwich layer
Combination is welded and fixed；
(4) preheating, hot rolling: the alloy plate that step (3) is welded is put into heating furnace and is preheated, heating temperature is
500 DEG C, 3 hours are kept the temperature, comes out of the stove after the completion of heating and carries out method hot rolling into milling train, hot rolling finishing temperature is 330 DEG C, and thickness is made
Degree is the composite sheet material of 10mm；
(5) cold rolling: (4) are obtained into method hot rolling coiled material and carry out cold rolling, are cold-rolled to the composite sheet material with a thickness of 4.0mm；
(6) solution hardening: cold rolling composite sheet material is subjected to solution hardening in air cushion furnace, solid solubility temperature is 580 DEG C, and speed is
30m/min；
(7) timeliness: carrying out ageing treatment for quenched composite sheet material, and aging temp is 190 DEG C, and soaking time is 6 small
When, obtain Al alloy composite finished product.
Embodiment 3
A kind of electronic product appearance member Al alloy composite, including core alloys layer and clad alloy-layer, sandwich layer
Alloy is 6082 alloys, and clad alloy is 6063 alloys；The preparation of the electronic product appearance member Al alloy composite
Method, operating procedure are as follows:
(1) core alloys and the preparation of clad sheet alloy: carrying out ingredient by the sandwich layer and clad alloying component of design,
The core alloys ingot casting and clad alloy cast ingot with a thickness of 580mm are respectively obtained after smelting, degasification, filtering, casting, then
Core alloys ingot casting and clad alloy cast ingot are subjected to homogenizing annealing respectively, sawing, milling face obtain the core with a thickness of 275mm
Layer sheet alloy and the clad sheet alloy with a thickness of 18mm, core alloys plate account for thickness proportion 94%, clad alloy
Plate accounts for thickness proportion 6%；
(2) it is surface-treated: core alloys plate and clad sheet alloy that step (1) obtains is carried out at surface respectively
Reason.Surface treatment, which refers to, does the cleanings such as greasy dirt, the aluminium skimmings of contact surface to be welded of core alloys plate and clad sheet alloy
Only；
(3) be welded and fixed: by after surface treatment core alloys plate and clad sheet alloy according to clad/sandwich layer
Combination is welded and fixed；
(4) preheating, hot rolling: the alloy plate that step (3) is welded is put into heating furnace and is preheated, heating temperature is
430 DEG C, 15 hours are kept the temperature, comes out of the stove after the completion of heating and carries out method hot rolling into milling train, hot rolling finishing temperature is 285 DEG C, is made
With a thickness of the composite sheet material of 5mm；
(5) cold rolling: (4) are obtained into method hot rolling coiled material and carry out cold rolling, are cold-rolled to the composite sheet material with a thickness of 0.6mm；
(6) solution hardening: cold rolling composite sheet material is subjected to solution hardening in air cushion furnace, solid solubility temperature is 530 DEG C, and speed is
8m/min；
(7) timeliness: carrying out ageing treatment for quenched composite sheet material, and aging temp is 150 DEG C, and soaking time is 18 small
When, obtain Al alloy composite finished product.
Embodiment 4
A kind of electronic product appearance member Al alloy composite, including core alloys layer and clad alloy-layer, sandwich layer
Alloy is 6082 alloys, and clad alloy is 6463 alloys；The preparation of the electronic product appearance member Al alloy composite
Method, operating procedure are as follows:
(1) core alloys and the preparation of clad sheet alloy: carrying out ingredient by the sandwich layer and clad alloying component of design,
The core alloys ingot casting and clad alloy cast ingot with a thickness of 580mm are respectively obtained after smelting, degasification, filtering, casting, then
Core alloys ingot casting and clad alloy cast ingot are subjected to homogenizing annealing respectively, sawing, milling face obtain the core with a thickness of 275mm
Layer sheet alloy and the clad sheet alloy with a thickness of 49mm, core alloys plate account for thickness proportion 85%, clad alloy
Plate accounts for thickness proportion 15%；
(2) it is surface-treated: core alloys plate and clad sheet alloy that step (1) obtains is carried out at surface respectively
Reason.Surface treatment, which refers to, does the cleanings such as greasy dirt, the aluminium skimmings of contact surface to be welded of core alloys plate and clad sheet alloy
Only；
(3) be welded and fixed: by after surface treatment core alloys plate and clad sheet alloy according to clad/sandwich layer
Combination is welded and fixed；
(4) preheating, hot rolling: the alloy plate that step (3) is welded is put into heating furnace and is preheated, heating temperature is
450 DEG C, 6 hours are kept the temperature, comes out of the stove after the completion of heating and carries out method hot rolling into milling train, hot rolling finishing temperature is 295 DEG C, and thickness is made
Degree is the composite sheet material of 10mm；
(5) cold rolling: (4) are obtained into method hot rolling coiled material and carry out cold rolling, are cold-rolled to the composite sheet material with a thickness of 2.0mm；
(6) solution hardening: cold rolling composite sheet material is subjected to solution hardening in air cushion furnace, solid solubility temperature is 550 DEG C, and speed is
20m/min；
(7) timeliness: carrying out ageing treatment for quenched composite sheet material, and aging temp is 170 DEG C, and soaking time is 10 small
When, obtain Al alloy composite finished product.
Comparative example 1
One kind Al alloy composite as made from 6 systems and 7 line aluminium alloys, including core alloys and clad alloy, core
Laminated gold is 7 high-intensitive line aluminium alloys, and the mass percent of each element is Si0.20%, Fe0.25% in core alloys,
Cu1.5%, Mn0.08%, Mg2.6%, Cr0.22%, Zn5.6%, Ti0.03%, surplus are Al and inevitable element；
Clad alloy is 6 excellent line aluminium alloys of anodic oxidation effect, and the mass percent of each element is in clad alloy
Si0.45%, Fe0.08%, Cu0.07%, Mn0.02%, Mg0.75%, Cr0.02%, Zn0.03%, Ti0.03%, surplus
For Al and inevitable element.The Al alloy composite as made from 6 systems and 7 line aluminium alloys, operating procedure are as follows:
(1) core alloys and the preparation of clad sheet alloy: by the good core alloys of said ratio and clad alloy
Raw material passes through the core alloys ingot casting and clad alloy cast ingot respectively obtained after melting, casting with a thickness of 580mm respectively, then
Core alloys ingot casting and clad alloy cast ingot are subjected to homogenizing annealing respectively, sawing, milling face obtain the core with a thickness of 275mm
Layer sheet alloy and the clad sheet alloy with a thickness of 49mm, core alloys plate account for thickness proportion 85%, clad alloy
Plate accounts for thickness proportion 15%；
(2) it is surface-treated: core alloys plate obtained in step (1) and clad sheet alloy is subjected to surface respectively
Processing, i.e., clean up core alloys plate and greasy dirt, the aluminium skimmings of contact surface to be welded of clad sheet alloy etc.；
(3) it is welded and fixed: by the core alloys plate after being surface-treated in step (2) and clad sheet alloy according to packet
Coating/sandwich layer combination is fixed by welding；
(4) preheating, hot rolling: the alloy plate that step (3) is welded is put into heating furnace and is preheated, heating temperature is
450 DEG C, 5 hours are kept the temperature, comes out of the stove after the completion of heating and carries out method hot rolling into milling train, the composite sheet material with a thickness of 10mm is made；
(5) cold rolling: (4) are obtained into method hot rolling coiled material and carry out cold rolling, are cold-rolled to the composite sheet material with a thickness of 2.0mm；
(6) solution hardening: cold rolling composite sheet material is subjected to solution hardening in air cushion furnace, solid solubility temperature is 480 DEG C, and speed is
15m/min；
(7) timeliness: carrying out ageing treatment for quenched composite sheet material, and aging temp is 120 DEG C, and soaking time is 24 small
When, obtain Al alloy composite finished product.
Al alloy composite prepared by embodiment 1-4 and comparative example 1 is tested for the property, test result such as table 1
It is shown.
As seen from the above table, the Al alloy composite of the method for the present invention preparation has significant compared with 6063 aluminium alloys
Strength advantage, and anodic oxidation effect is consistent with 6063 aluminium alloys；Compared with 6061 aluminium alloys, although hardness is slightly lower, intensity
6061 aluminium alloys are superior to anodic oxidation effect；Though the resulting Al alloy composite intensity of comparative example 1 is very high, the material
Surface hardness is lower, and material surface easily scratches in follow-up process.
In conclusion can get excellent anodic oxidation effect using Al alloy composite prepared by the present invention, and
Intensity and hardness with higher are the ideal materials for manufacturing high-end electronic product appearance part.
Claims (7)
1. a kind of electronic product appearance member Al alloy composite preparation method, which is characterized in that the method includes following
Step:
(1) core alloys and the preparation of clad sheet alloy: core alloys plate and clad sheet alloy are prepared respectively；
(2) it is surface-treated: the resulting core alloys plate of step (1) and clad sheet alloy is surface-treated respectively；
(3) be welded and fixed: by step (2) surface treatment after core alloys plate and clad sheet alloy according to clad/
The combination of sandwich layer is welded and fixed；
(4) preheating, hot rolling: the alloy plate that step (3) is welded is preheated, and heating temperature is 430~500 DEG C, heat preservation 3
~15 hours, method hot rolling is carried out after the completion of heating, the composite sheet material with a thickness of 5~10mm is made；
(5) cold rolling: the method hot rolling coiled material that step (4) is obtained carries out cold rolling, and cold rolling obtains answering with a thickness of 0.6~4.0mm
Close coiled material；
(6) the resulting composite sheet material of step (5) cold rolling solution hardening: is subjected to solution hardening；
(7) timeliness: the quenched composite sheet material of step (6) is subjected to ageing treatment, obtains Al alloy composite finished product.
2. electronic product appearance member Al alloy composite preparation method according to claim 1, which is characterized in that step
Suddenly core alloys described in (1) and clad alloy are 6 line aluminium alloys, and the tensile strength of the core alloys is greater than clad
The tensile strength of alloy.
3. electronic product appearance member Al alloy composite preparation method according to claim 2, which is characterized in that step
Suddenly core alloys described in (1) are 6013 or 6082 alloys, and the clad alloy is 6063 or 6463 alloys.
4. electronic product appearance member Al alloy composite preparation method according to claim 1, which is characterized in that step
Suddenly core alloys described in (1) and clad sheet alloy are by melting, degasification, filtering, casting, homogenizing annealing, saw
Cut, mill face step be made.
5. electronic product appearance member Al alloy composite preparation method according to claim 1 to 4, feature
It is, core alloys plate described in step (1) accounts for the 78%~94% of total composite thickness ratio, clad sheet alloy
Account for the 6%~22% of total composite thickness ratio.
6. electronic product appearance member Al alloy composite preparation method according to claim 1 to 4, feature
It is, solid solubility temperature described in step (6) is 530~580 DEG C, and speed is 8~50m/min.
7. electronic product appearance member Al alloy composite preparation method according to claim 1 to 4, feature
It is, aging temp described in step (7) is 150~190 DEG C, and soaking time is 6~18 hours.
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| CN110756581A (en) * | 2019-10-24 | 2020-02-07 | 中铝瑞闽股份有限公司 | Hot rolling process of high-strength aluminum alloy for anodic oxidation |
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| CN112848551A (en) * | 2020-12-11 | 2021-05-28 | 西南铝业（集团）有限责任公司 | Aluminum alloy plate and preparation method thereof |
| US11345980B2 (en) | 2018-08-09 | 2022-05-31 | Apple Inc. | Recycled aluminum alloys from manufacturing scrap with cosmetic appeal |
| CN114561529A (en) * | 2022-03-09 | 2022-05-31 | 西部金属材料股份有限公司 | Preparation method of Ti-Ni-Cr high-hardness titanium alloy plate |
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| CN112553514A (en) * | 2019-09-25 | 2021-03-26 | 苹果公司 | Heat treatable aluminum alloys from spent beverage can waste |
| CN110756581A (en) * | 2019-10-24 | 2020-02-07 | 中铝瑞闽股份有限公司 | Hot rolling process of high-strength aluminum alloy for anodic oxidation |
| CN112848551A (en) * | 2020-12-11 | 2021-05-28 | 西南铝业（集团）有限责任公司 | Aluminum alloy plate and preparation method thereof |
| CN114561529A (en) * | 2022-03-09 | 2022-05-31 | 西部金属材料股份有限公司 | Preparation method of Ti-Ni-Cr high-hardness titanium alloy plate |
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