CN108285999B - A kind of preparation method for the pack alloy part can be improved thermal conductivity - Google Patents
A kind of preparation method for the pack alloy part can be improved thermal conductivity Download PDFInfo
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- CN108285999B CN108285999B CN201711461163.XA CN201711461163A CN108285999B CN 108285999 B CN108285999 B CN 108285999B CN 201711461163 A CN201711461163 A CN 201711461163A CN 108285999 B CN108285999 B CN 108285999B
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- thermal conductivity
- aluminum alloy
- alloy materials
- shaped article
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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
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
Abstract
The present invention relates to a kind of preparation methods of pack alloy part that can be improved thermal conductivity, comprise the following steps that configuration aluminum alloy materials, and the component of aluminum alloy materials contains the element of following mass percent: Si=2.5-3.5；Fe≤0.45-0.6；Cu≤0.05-0.09；Mn≤0.01；Mg=0.8-1.2；Zn < 0.01；Ni < 0.01；Pb < 0.01；Ca < 0.01；Sn < 0.01；Ti < 0.01；Cr < 0.01；Its surplus is Al；Above-mentioned aluminum alloy materials are subjected to melting, are then die cast as shaped article；The baking line that above-mentioned shaped article is put into 180 ° -240 ° is heated into 40min-120min；Shaped article after heating in step 3) is removed, then cooling can finish.The present invention is increased to 180W/mk or more on the basis of not reducing aluminum alloy materials mechanical property, by the thermal conductivity of aluminum alloy materials, meets component radiating requirements.
Description
Technical field
The invention belongs to aluminum alloy materials field, it is related to a kind of preparation method of pack alloy part, more particularly to a kind of
It can be improved the preparation method of the pack alloy part of thermal conductivity.
Background technique
In today that science and technology is constantly progressive, communications industry rapid development develops to 4G from 2G, 3G and is widely applied, then arrives 5G
The technical research of network is that Die Casting Industry brings wider market, but higher requirements are also raised.
Since communication base station internal structure integration degree is higher and higher, the heat for the generation that works is also higher and higher, to understand
Certainly heat influences component, also just higher and higher for the shell cooling requirements of all installation electronic components.Improve product
Heat dissipation area and thermal conductivity are to improve the effective way of the heat dissipation performance of product.And the fin height of high radiator shutter is not
Disconnected challenge new high degree, improving 80mm or so, bring till now by past 10mm or so is that formed product is bad, and cold shut is tight
The defects of weight, also increase the weight of product, cost increase.And the heating conduction of aluminum material can be solved from other side
The high-cooling property requirement of product, and existing aluminum alloy materials thermal conductivity can only achieve 130W/mk or so, thermal conductivity is not achieved
180W/mk or so is no longer satisfied component radiating requirements.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of pack alloy parts that can be improved thermal conductivity
Preparation method, which is not reducing aluminum alloy materials mechanical property
On the basis of, the thermal conductivity of aluminum alloy materials is increased to 180W/mk or more, meets component radiating requirements.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of preparation method for the pack alloy part can be improved thermal conductivity, comprises the following steps that
1) aluminum alloy materials are configured, the component of the aluminum alloy materials contains the element of following mass percent: Si=
2.5-3.5；Fe≤0.45-0.6；Cu≤0.05-0.09；Mn≤0.01；Mg=0.8-1.2；Zn < 0.01；Ni < 0.01；Pb
< 0.01；Ca < 0.01；Sn < 0.01；Ti < 0.01；Cr < 0.01；Its surplus is Al；
2) above-mentioned aluminum alloy materials are subjected to melting, are then die cast as shaped article；
3) the baking line that above-mentioned shaped article is put into 180 ° -240 ° is heated into 40min-120min；
4) shaped article after heating in step 3) is removed, then cooling can finish.
Further, the component of the aluminum alloy materials contains the element of following mass percent: Si=2.5；Fe=
0.45；Cu=0.05；Mn=0.002；Mg=0.8；Zn=0.002；Ni=0.002；Pb=0.002；Ca=0.002；Sn=
0.002；Ti=0.002；Cr=0.002；Its surplus is Al.Using the technical solution, conductivity testing mean reaches
27.23MS/m, thermal conductivity average value have reached 180.7W/mK, and thermal conductivity improves 39%.
Further, the component of the aluminum alloy materials contains the element of following mass percent: Si=3.5；Fe
=0.6；Cu=0.09；Mn=0.01；Mg=1.2；Zn=0.009；Ni=0.009；Pb=0.09；Ca=0.002；Sn=
0.002；Ti=0.001；Cr=0.009；Its surplus is Al.Using the technical solution, conductivity testing mean reaches
27.89MS/m, thermal conductivity average value have reached 184.6W/mK, and thermal conductivity improves 42%.
Further, the Si=3；Fe=0.5；Cu=0.06；Mn=0.005；Mg=1；Zn=0.005；Ni
=0.005；Pb=0.005；Ca=0.005；Sn=0.005；Ti=0.005；Cr=0.005；Its surplus is Al.Using the skill
Art scheme, conductivity testing mean have reached 28.21MS/m, and thermal conductivity average value has reached 187.8W/mK, and thermal conductivity mentions
It is high by 44.46%.
Further, the baking line that shaped article described in the step 3) is put into 200 ° is heated into 80min.
Inventor has carried out 3 groups of tests to the conductivity and thermal conductivity of aluminium alloy finished parts of the invention, and test result is such as
Table 1-1
Table 1-1:
By above scheme it is found that the present invention has at least the following advantages:
The thermal conductivity of pack alloy part improves 20% or more, while mechanical property will not reduce.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, with presently preferred embodiments of the present invention, detailed description is as follows below.
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
In order to enable those skilled in the art to better understand the solution of the present invention, technical solution in the embodiment of the present invention
It is clearly and completely described, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole
Embodiment.Based on the embodiment of the present invention, those skilled in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
Embodiment
A kind of preparation method for the pack alloy part can be improved thermal conductivity, comprises the following steps that
1) aluminum alloy materials are configured, the component of the aluminum alloy materials contains the element of following mass percent: Si=
2.5-3.5；Fe≤0.45-0.6；Cu≤0.05-0.09；Mn≤0.01；Mg=0.8-1.2；Zn < 0.01；Ni < 0.01；Pb
< 0.01；Ca < 0.01；Sn < 0.01；Ti < 0.01；Cr < 0.01；Its surplus is Al；
2) above-mentioned aluminum alloy materials are subjected to melting, are then die cast as shaped article；
3) the baking line that above-mentioned shaped article is put into 180 ° -240 ° is heated into 40min-120min；
4) shaped article after heating in step 3) is removed, then cooling can finish.
In the present invention, the component of the aluminum alloy materials contains the element of following mass percent: Si=2.5；Fe=
0.45；Cu=0.05；Mn=0.002；Mg=0.8；Zn=0.002；Ni=0.002；Pb=0.002；Ca=0.002；Sn=
0.002；Ti=0.002；Cr=0.002；Its surplus is Al.
In the present invention, the component of the aluminum alloy materials contains the element of following mass percent: Si=3.5；Fe=
0.6；Cu=0.09；Mn=0.01；Mg=1.2；Zn=0.009；Ni=0.009；Pb=0.09；Ca=0.002；Sn=
0.002；Ti=0.001；Cr=0.009；Its surplus is Al.
In the present invention, the Si=3；Fe=0.5；Cu=0.06；Mn=0.005；Mg=1；Zn=0.005；Ni=
0.005；Pb=0.005；Ca=0.005；Sn=0.005；Ti=0.005；Cr=0.005；Its surplus is Al.
The present invention has at least the following advantages:
The thermal conductivity of pack alloy part improves 20% or more, while mechanical property will not reduce.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of preparation method for the pack alloy part that can be improved thermal conductivity, which is characterized in that comprise the following steps that
1) aluminum alloy materials are configured, the component of the aluminum alloy materials contains the element of following mass percent: Si=2.5-
3.5；Fe≤0.45-0.6；Cu≤0.05-0.09；Mn≤0.01；Mg=0.8-1.2；Zn < 0.01；Ni < 0.01；Pb <
0.01；Ca < 0.01；Sn < 0.01；Ti < 0.01；Cr < 0.01；Its surplus is Al；
2) above-mentioned aluminum alloy materials are subjected to melting, are then die cast as shaped article；
3) the baking line that above-mentioned shaped article is put into 180 DEG C -240 DEG C is heated into 40min-120min；
4) shaped article after heating in step 3) is removed, then cooling can finish.
2. a kind of preparation method of pack alloy part that can be improved thermal conductivity according to claim 1, feature exist
In: the component of the aluminum alloy materials contains the element of following mass percent: Si=2.5；Fe=0.45；Cu=0.05；
Mn=0.002；Mg=0.8；Zn=0.002；Ni=0.002；Pb=0.002；Ca=0.002；Sn=0.002；Ti=
0.002；Cr=0.002；Its surplus is Al.
3. a kind of preparation method of pack alloy part that can be improved thermal conductivity according to claim 1, feature exist
In: the Si=3；Fe=0.5；Cu=0.06；Mn=0.005；Mg=1；Zn=0.005；Ni=0.005；Pb=
0.005；Ca=0.005；Sn=0.005；Ti=0.005；Cr=0.005；Its surplus is Al.
4. a kind of preparation method of pack alloy part that can be improved thermal conductivity according to claim 1-3,
It is characterized by: the baking line that shaped article described in the step 3) is put into 200 DEG C is heated 80min.
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| CN108285999B true CN108285999B (en) | 2019-09-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102020205193A1 (en) * | 2019-05-16 | 2020-11-19 | Mahle International Gmbh | Process for producing an engine component, engine component and the use of an aluminum alloy |
| CN110343915B (en) * | 2019-06-25 | 2020-12-11 | 广东伟业铝厂集团有限公司 | High-strength high-thermal-conductivity aluminum alloy material, preparation method thereof and radiator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526082A (en) * | 2013-09-26 | 2014-01-22 | 广州金邦有色合金有限公司 | High thermal conductivity cast aluminium alloy and preparation method thereof |
| CN105112736A (en) * | 2015-09-07 | 2015-12-02 | 苏州凯宥电子科技有限公司 | Die-cast aluminum alloy and preparing method thereof |
| CN105177368A (en) * | 2015-08-10 | 2015-12-23 | 高安市金良轩科技有限公司 | Pressure cast rare earth aluminum alloy with high thermal conductivity and high electrical conductivity and preparing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526082A (en) * | 2013-09-26 | 2014-01-22 | 广州金邦有色合金有限公司 | High thermal conductivity cast aluminium alloy and preparation method thereof |
| CN105177368A (en) * | 2015-08-10 | 2015-12-23 | 高安市金良轩科技有限公司 | Pressure cast rare earth aluminum alloy with high thermal conductivity and high electrical conductivity and preparing method thereof |
| CN105112736A (en) * | 2015-09-07 | 2015-12-02 | 苏州凯宥电子科技有限公司 | Die-cast aluminum alloy and preparing method thereof |
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