CN109439978A - A kind of 6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products - Google Patents
A kind of 6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products Download PDFInfo
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- CN109439978A CN109439978A CN201811516795.6A CN201811516795A CN109439978A CN 109439978 A CN109439978 A CN 109439978A CN 201811516795 A CN201811516795 A CN 201811516795A CN 109439978 A CN109439978 A CN 109439978A
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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
- C22C21/02—Alloys based on aluminium with silicon 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
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
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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
- C22F1/043—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 silicon 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
- C22F1/047—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
- C22F1/05—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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
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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
- C22F1/057—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 copper as the next major constituent
Abstract
6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products of the present invention, the mass percentage of the al alloy component is as follows: the wt% of Mg:0.60 ~ 1.20, the wt% of Si:0.70 ~ 0.95, Cu:0.55 ~ 1.20 wt%, Mn :≤0.10 wt%, Cr :≤0.10 wt%, Ti :≤0.05 wt%, Fe :≤0.10 wt%, Zr:0.02 ~ 0.20 wt%, Al and impurity: surplus；Described method includes following steps: (1) casting rod carries out homogenizing annealing first, and temperature range is 510 ~ 540 DEG C；(2) after keeping the temperature 2-10 hours, then 545 ~ 570 DEG C is warming up to and is then kept the temperature；(3) it is squeezed, 520 ~ 570 DEG C of extruded rod temperature, 5 ~ 16 ms/min of extrusion speed, 520 ~ 580 DEG C of outlet temperature；(4) 160 ~ 210 DEG C of ageing treatment are carried out then to keep the temperature.The present invention is by adjusting intensified element and micronutrient levels and carries out control process, finely controls to materials microstructure, material is finally made to take into account high-strength and high anode oxidation effectiveness.
Description
Technical field
The present invention relates to non-ferrous metal technical field, the 6 of specially a kind of high-strength high anode oxidation effectiveness of use for electronic products
Line aluminium alloy preparation method.
Background technique
6 line aluminium alloys are widely used in electronics due to preferable mechanical property and anodic oxidation effect
In the appearance member manufacture of product.To obtain preferable anode appearance, material must have thinner microstructure, such as tiny crystalline substance
Grain, tiny and Dispersed precipitate intermetallic compound.Therefore in addition to processing technology, material need to have lower alloying levels.
But low alloying is horizontal, and is unfavorable for the raising of intensity.In addition, adding Mn in electronic product appearance member usually to control crystal grain ruler
It is very little.But Mn element is to the control ability of crystal grain far away from Zr element.It is therefore desirable to develop it is a kind of containing Zr take into account it is high-strength and positive
The aluminium alloy and its processing technology for the manufacture of electronic product appearance member of pole oxidation effectiveness.
Summary of the invention
The purpose of the present invention is overcoming the shortcomings of the prior art, by the improvement of optimizing components and technique, one is provided
6 line aluminium alloys and processing method of taking into account high-strength high anode oxidation effectiveness of the kind suitable for the manufacture of electronic product appearance member.
In order to overcome the above problem, what the present invention provided a kind of high-strength high anode oxidation effectiveness of use for electronic products 6 is that aluminium closes
Golden preparation method.
The technical solution of the present invention is to provide a kind of preparations of 6 line aluminium alloys of use for electronic products high-strength high anode oxidation effectiveness
Method, which is characterized in that the mass percentage of the al alloy component is as follows:
0.60 ~ 1.20 wt% of Mg,
0.70 ~ 0.95 wt% of Si,
0.55 ~ 1.20 wt% of Cu,
The wt% of Mn≤0.10,
The wt% of Cr≤0.10,
The wt% of Ti≤0.05,
The wt% of Fe≤0.10,
0.02 ~ 0.20 wt% of Zr,
Al and impurities balance；
Described method includes following steps:
(1) casting rod carries out homogenizing annealing first, and temperature range is 510 ~ 540 DEG C；
(2) after keeping the temperature 2-10 hours, then 545 ~ 570 DEG C is warming up to and is then kept the temperature；
(3) it is squeezed, 520 ~ 570 DEG C of extruded rod temperature, 5 ~ 16 ms/min of extrusion speed, 520 ~ 580 DEG C of outlet temperature；
(4) 160 ~ 210 DEG C of ageing treatment are carried out then to keep the temperature.
Preferably, the Zr mass percentage is preferably 0.10 ~ 0.15 wt%.
Preferably, the Mn mass percentage is preferably the wt% of Mn≤0.02.
Preferably, in the step (2), 8 ~ 20h of soaking time.
Preferably, in the step (4), 2 ~ 20h of soaking time.
The beneficial effects of the present invention are: the 6 of a kind of high-strength high anode oxidation effectiveness of use for electronic products of the invention be that aluminium closes
Golden preparation method is by adjusting intensified element and micronutrient levels and carries out control process, carries out essence to materials microstructure
Thin control, finally makes material take into account high-strength and high anode oxidation effectiveness.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
A kind of 6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products of the invention, feature exist
In the mass percentage of the al alloy component is as follows:
0.60 ~ 1.20 wt% of Mg,
0.70 ~ 0.95 wt% of Si,
0.55 ~ 1.20 wt% of Cu,
The wt% of Mn≤0.10,
The wt% of Cr≤0.10,
The wt% of Ti≤0.05,
The wt% of Fe≤0.10,
0.02 ~ 0.20 wt% of Zr,
Al and impurities balance；
Described method includes following steps:
(1) casting rod carries out homogenizing annealing first, and temperature range is 510 ~ 540 DEG C；
(2) after keeping the temperature 2-10 hours, then 545 ~ 570 DEG C is warming up to and is then kept the temperature, 8 ~ 20h of soaking time；
(3) it is squeezed, 520 ~ 570 DEG C of extruded rod temperature, 5 ~ 16 ms/min of extrusion speed, 520 ~ 580 DEG C of outlet temperature；
(4) it carries out 160 ~ 210 DEG C of ageing treatment then to keep the temperature, 2 ~ 20h of soaking time.
In a preferred embodiment of the present invention, the Zr mass percentage is preferably 0.10 ~ 0.15 wt%.
In a preferred embodiment of the present invention, the Mn mass percentage is preferably the wt% of Mn≤0.02.
The performance of 6 line aluminium alloys is influenced by alloying level, and Mg, Si, Cu constituent content are higher, and mechanical property is got over
It is high.But increases alloying level, on the one hand will cause the decline of anodic oxidation effect, on the other hand can also be brought to casting process
Inconvenience, ingot casting are easy cracking in casting process.In addition, Mg, Si are the main alloying elements of alloy, solution strengthening has been removed
Outside, Mg, Si element form reinforceing phase Mg2Si phase.After this is mutually only dissolved into matrix during equal fire, and in ag(e)ing process
The transitional face that Nano grade is precipitated can play invigoration effect.If Mg, Si too high levels, the extra Mg2Si formed cannot be equal
It is dissolved to matrix during fire, and remains in the tissue, cannot not only improve intensity, can also reduce anodic oxidation effect.Therefore
0.70 ~ 0.95 wt% of Mg 0.60 ~ 1.20 wt%, Si is advisable.The work that Cu mainly plays solution strengthening and Mg2Si phase is promoted to be precipitated
With another aspect can also introduce the Q phase of hardening constituent containing Cu.But Cu content is excessive, will cause material corrosion resistance decline.Therefore Cu
0.55 ~ 1.20 wt% is advisable.
Mn, Cr, Ti element mainly play crystal grain refinement, but add excessive be then easy so that color is sent out after material anode
Secretly, and it is poor to the control ability ratio Zr of crystallite dimension.Zr is preferable to the crystal grain control effect of aluminium alloy.In addition, in material
After Zr, if continuing to guarantee the constituent contents such as higher Mn, Cr, bacillar structure easy to form, to reduce the anode of material
Oxidation effectiveness.Therefore 0.02 ~ 0.20 wt% of Mn≤0.10 wt%, Cr≤0.10 wt%, Ti≤0.05 wt%, Zr is
Preferably.Fe is impurity element, and content is preferably≤0.10 wt%, to avoid the generation of anodic attack phenomenon.
After the aluminium alloy for obtaining mentioned component, then carry out subsequent processing: casting rod progress homogenizing annealing first, 510 ~
After 540 DEG C, heat preservation 2-10 hours, then it is warming up to 545 ~ 570 DEG C of 8 ~ 20h of heat preservation；Then it is squeezed, extruded rod temperature 520 ~
570 DEG C, 5 ~ 16 ms/min of extrusion speed, 520 ~ 580 DEG C of outlet temperature；Carry out 160 ~ 210 DEG C of 2 ~ 20h of heat preservation of ageing treatment；
Control squeezes stick temperature, extrusion speed, outlet temperature primarily to material is made to have the subsequent timeliness of preferable quenching effect
It prepares.And the control of aging technique is then in order to enable material comprehensive mechanical property with higher.
By above ingredient and technology controlling and process, aluminum alloy materials intensity with higher may make, and may make material
With preferable anode appearance effect.
Below by way of specific embodiment, technical scheme of the present invention will be further described.
Embodiment 1
Al alloy component is by percentage to the quality are as follows: Mg 0.60 wt%, Si 0.95 wt%, Cu 1.20 wt%, Mn 0.10
0.02 wt% of wt%, Cr 0.10 wt%, Ti 0.05 wt%, Fe 0.10 wt%, Zr；
Casting rod carries out homogenizing annealing first, 510 DEG C, after keeping the temperature 10 hours, then is warming up to 570 DEG C of heat preservation 8h；Then it carries out
It squeezes, 570 DEG C of extruded rod temperature, 5 ms/min of extrusion speed, 580 DEG C of outlet temperature；Carry out 160 DEG C of heat preservation 20h of ageing treatment.
Embodiment 2
Al alloy component is by percentage to the quality are as follows: Mg 1.20 wt%, Si 0.7 wt%, Cu 0.55 wt%, Mn 0.08
0.20 wt% of wt%, Cr 0.07 wt%, Ti 0.02 wt%, Fe 0.06 wt%, Zr；
Casting rod carries out homogenizing annealing first, 540 DEG C, after keeping the temperature 2 hours, then is warming up to 545 DEG C of heat preservation 20h；Then it carries out
It squeezes, 520 DEG C of extruded rod temperature, 16 ms/min of extrusion speed, 520 DEG C of outlet temperature；Carry out 210 DEG C of heat preservation 2h of ageing treatment.
Embodiment 3
Al alloy component is by percentage to the quality are as follows: Mg 0.88 wt%, Si 0.85 wt%, Cu 0.85 wt%, Mn 0.01
0.18 wt% of wt%, Cr 0.01 wt%, Ti 0.02 wt%, Fe 0.07 wt%, Zr；
Casting rod carries out homogenizing annealing first, 530 DEG C, after keeping the temperature 8 hours, then is warming up to 550 DEG C of heat preservation 15h；Then it carries out
It squeezes, 530 DEG C of extruded rod temperature, 8 ms/min of extrusion speed, 540 DEG C of outlet temperature；Carry out 180 DEG C of heat preservation 8h of ageing treatment.
Embodiment 4
Al alloy component is by percentage to the quality are as follows: Mg 0.98 wt%, Si 0.75 wt%, Cu 0.95 wt%, Mn 0.01
0.13 wt% of wt%, Cr 0.01 wt%, Ti 0.02 wt%, Fe 0.07 wt%, Zr；
Casting rod carries out homogenizing annealing first, 535 DEG C, after keeping the temperature 9 hours, then is warming up to 555 DEG C of heat preservation 17h；Then it carries out
It squeezes, 540 DEG C of extruded rod temperature, 10 ms/min of extrusion speed, 550 DEG C of outlet temperature；Carry out 185 DEG C of heat preservation 7h of ageing treatment.
Comparative example 1
Al alloy component is by percentage to the quality are as follows: Mg 0.5 wt%, Si 0.6 wt%, Cu 0.15 wt%, Mn 0.56
0.25 wt% of wt%, Cr 0.25 wt%, Ti 0.18 wt%, Fe；
Ingot casting carries out homogenizing annealing first: after 535 DEG C, heat preservation 9 hours, then being warming up to 555 DEG C of heat preservation 17h；Then it carries out
It squeezes, 540 DEG C of extruded rod temperature, 10 ms/min of extrusion speed, 550 DEG C of outlet temperature；Carry out 185 DEG C of heat preservation 7h of ageing treatment.
Comparative example 2
Al alloy component is by percentage to the quality are as follows: Mg 0.98 wt%, Si 0.75 wt%, Cu 0.95 wt%, Mn 0.01
0.13 wt% of wt%, Cr 0.01 wt%, Ti 0.02 wt%, Fe 0.07 wt%, Zr；
Casting rod carries out homogenizing annealing first, and 535 DEG C, heat preservation is squeezed after 9 hours, and 500 DEG C of extruded rod temperature, extrusion speed
10 ms/min, 520 DEG C of outlet temperature；Carry out 175 DEG C of heat preservation 6h of ageing treatment.
The following table 1 illustrates the performance of alloy in Examples and Comparative Examples:
As shown in table 1, the present invention is guaranteeing sun by reasonably adjusting the content of each element in aluminium alloy and controlling processing technology
On the basis of the oxidation effectiveness of pole, the intensity of material is improved, material is made to obtain preferable comprehensive performance, preferably meets electronics production
The requirement of product appearance member.
Above embodiments are only the one such embodiment of the present invention, and the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (5)
1. a kind of 6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products, which is characterized in that the aluminium closes
The mass percentage of golden ingredient is as follows:
0.60 ~ 1.20 wt% of Mg,
0.70 ~ 0.95 wt% of Si,
0.55 ~ 1.20 wt% of Cu,
The wt% of Mn≤0.10,
The wt% of Cr≤0.10,
The wt% of Ti≤0.05,
The wt% of Fe≤0.10,
0.02 ~ 0.20 wt% of Zr,
Al and impurities balance；
Described method includes following steps:
(1) casting rod carries out homogenizing annealing first, and temperature range is 510 ~ 540 DEG C；
(2) after keeping the temperature 2-10 hours, then 545 ~ 570 DEG C is warming up to and is then kept the temperature；
(3) it is squeezed, 520 ~ 570 DEG C of extruded rod temperature, 5 ~ 16 ms/min of extrusion speed, 520 ~ 580 DEG C of outlet temperature；
(4) 160 ~ 210 DEG C of ageing treatment are carried out then to keep the temperature.
2. a kind of 6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products according to claim 1,
It is characterized by: the Zr mass percentage is preferably 0.10 ~ 0.15 wt%.
3. a kind of 6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products according to claim 1,
It is characterized by: the Mn mass percentage is preferably the wt% of Mn≤0.02.
4. a kind of 6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products according to claim 1,
It is characterized by: in the step (2), 8 ~ 20h of soaking time.
5. a kind of 6 line aluminium alloy preparation methods of the high-strength high anode oxidation effectiveness of use for electronic products according to claim 1,
It is characterized by: in the step (4), 2 ~ 20h of soaking time.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110938766A (en) * | 2019-12-06 | 2020-03-31 | Oppo广东移动通信有限公司 | Aluminum alloy material and processing method thereof |
| CN113373357A (en) * | 2021-06-15 | 2021-09-10 | 广东中色研达新材料科技股份有限公司 | High-strength 6-series aluminum alloy capable of being anodized, preparation method thereof and mobile terminal |
| CN113403507A (en) * | 2021-06-21 | 2021-09-17 | 合肥标兵新材料科技有限公司 | Preparation method of 6-series aluminum alloy with high strength and high anodic oxidation effect for electronic products |
| CN114480927A (en) * | 2022-01-26 | 2022-05-13 | 广东中色研达新材料科技股份有限公司 | High-performance 6-series aluminum alloy |
| CN115537612A (en) * | 2022-10-27 | 2022-12-30 | 广东中色研达新材料科技股份有限公司 | 6013 type aluminum alloy and processing technology thereof |
| CN115652232A (en) * | 2022-11-09 | 2023-01-31 | 广东中色研达新材料科技股份有限公司 | Processing technology for improving anodic oxidation effect of 6063 aluminum alloy |
| CN115807183A (en) * | 2022-12-13 | 2023-03-17 | 广东中色研达新材料科技股份有限公司 | Aluminum alloy with ceramic color-sensing anodic oxidation effect and processing technology thereof |
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| CN105296811A (en) * | 2015-10-23 | 2016-02-03 | 苏州有色金属研究院有限公司 | High-strength 6xxx aluminum alloy for mobile phone parts and machining method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110938766A (en) * | 2019-12-06 | 2020-03-31 | Oppo广东移动通信有限公司 | Aluminum alloy material and processing method thereof |
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| CN113373357A (en) * | 2021-06-15 | 2021-09-10 | 广东中色研达新材料科技股份有限公司 | High-strength 6-series aluminum alloy capable of being anodized, preparation method thereof and mobile terminal |
| CN113373357B (en) * | 2021-06-15 | 2022-09-16 | 广东中色研达新材料科技股份有限公司 | High-strength 6-series aluminum alloy capable of being anodized, preparation method thereof and mobile terminal |
| CN113403507A (en) * | 2021-06-21 | 2021-09-17 | 合肥标兵新材料科技有限公司 | Preparation method of 6-series aluminum alloy with high strength and high anodic oxidation effect for electronic products |
| CN114480927A (en) * | 2022-01-26 | 2022-05-13 | 广东中色研达新材料科技股份有限公司 | High-performance 6-series aluminum alloy |
| CN115537612A (en) * | 2022-10-27 | 2022-12-30 | 广东中色研达新材料科技股份有限公司 | 6013 type aluminum alloy and processing technology thereof |
| CN115537612B (en) * | 2022-10-27 | 2023-06-27 | 广东中色研达新材料科技股份有限公司 | 6013 type aluminum alloy and processing technology thereof |
| CN115652232A (en) * | 2022-11-09 | 2023-01-31 | 广东中色研达新材料科技股份有限公司 | Processing technology for improving anodic oxidation effect of 6063 aluminum alloy |
| CN115652232B (en) * | 2022-11-09 | 2023-10-31 | 广东中色研达新材料科技股份有限公司 | Processing technology for improving 6063 aluminum alloy anodic oxidation effect |
| CN115807183A (en) * | 2022-12-13 | 2023-03-17 | 广东中色研达新材料科技股份有限公司 | Aluminum alloy with ceramic color-sensing anodic oxidation effect and processing technology thereof |
| CN115807183B (en) * | 2022-12-13 | 2024-03-26 | 广东中色研达新材料科技股份有限公司 | Aluminum alloy with ceramic color sense anodic oxidation effect and processing technology thereof |
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