CN102876955A - Aluminum alloy with high thermal conductivity - Google Patents
Aluminum alloy with high thermal conductivity Download PDFInfo
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- CN102876955A CN102876955A CN 201210321952 CN201210321952A CN102876955A CN 102876955 A CN102876955 A CN 102876955A CN 201210321952 CN201210321952 CN 201210321952 CN 201210321952 A CN201210321952 A CN 201210321952A CN 102876955 A CN102876955 A CN 102876955A
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Abstract
The invention discloses an aluminum alloy with high thermal conductivity. The aluminum alloy comprises the elements in percentage by weight as follows: 3.8-4.9 percent of copper, 2-3.2 percent of silicon, 1.2-1.8 percent of magnesium, 5.7-6.7 percent of zinc, 0.3-0.9 percent of manganese, 40.3-42.3 percent of nickel, 0.5-1 percent of ferrum, 1-2 percent of titanium, 0.1-0.3 percent of chromium, 30-31 percent of lithium and 10-11 percent of other impurities. The aluminum alloy provided by the invention has the effects of high conductivity, high thermal conductivity and high corrosion resistance.
Description
Technical field
The present invention relates to a kind of aluminium alloy, be specifically related to the good aluminium alloy of a kind of thermal conductivity.
Background technology
Aluminium alloy is a most widely used class non-ferrous metal structured material in the industry, in Aeronautics and Astronautics, automobile, machinofacture, boats and ships and chemical industry, widely apply, along with the in recent years develop rapidly of science and technology and industrial economy, demand to the Welded structural part is increasing, makes the Research on Weldability of aluminium alloy also thereupon deeply.The widespread use of aluminium alloy has promoted the development of aluminum alloy solder technology, and the Application Areas of aluminium alloy has been expanded again in the simultaneously development of welding technique, so the welding technique of aluminium alloy is just becoming one of focus of research.
The density of fine aluminium is little, and (aluminium is face-centred cubic structure for ρ=2.7g/cm3), approximately be 1/3 of iron, fusing point low (660 ℃), so have very high plasticity (δ: 32 ~ 40%, ψ: 70 ~ 90%), be easy to processing, can be made into various section bars, sheet material.Corrosion resistance is good; But the intensity of fine aluminium is very low, and as-annealed condition σ b value is about 8kgf/mm2, so should not make structured material.By long-term production practice and scientific experiment, people come reinforced aluminum to add the methods such as alloying element and utilization thermal treatment gradually, and this has just obtained a series of aluminium alloy.The alloy that adds certain element formation can also have higher intensity in the advantages such as maintenance fine aluminium light weight, σ b value can reach 24～60kgf/mm2 respectively.Like this so that its " specific tenacity " (ratio σ b/ ρ of intensity and proportion) surpasses a lot of steel alloys, become desirable structured material, be widely used in the aspects such as machinofacture, Transport Machinery, power machine and aircraft industry, the fuselage of aircraft, covering, pneumatic plant etc. are often with the aluminium alloy manufacturing, to alleviate deadweight.Adopt aluminium alloy to replace the welding of steel plate materials, structural weight can alleviate more than 50%.Aluminium alloy density is low, but strength ratio is higher, approaches or surpasses the high-quality steel, and plasticity is good, can be processed into various section bars, has good electroconductibility, thermal conductivity and corrosion stability, industrial being widely used, and usage quantity is only second to steel.
Summary of the invention
The object of the present invention is to provide and make that the good aluminium alloy of thermal conductivity that makes has good conductivity, thermal conductivity is good and the good aluminium alloy of a kind of thermal conductivity of the good effect of solidity to corrosion.
Technical scheme of the present invention is: the aluminium alloy that a kind of thermal conductivity is good, comprise the elements such as copper, silicon, magnesium, zinc, manganese, nickel, iron, titanium, chromium, lithium and other impurity, and each element wt proportioning is that copper accounts for 3.8%-4.9%, silicon accounts for 2%-3.2%, magnesium accounts for 1.2%-1.8%, and zinc accounts for 5.7%-6.7%, and manganese accounts for 0.3%-0.9%, nickel accounts for 40.3%-42.3%, iron accounts for 0.5%-1%, and titanium accounts for 1%-2%, and chromium accounts for 0.1%-0.3%, lithium accounts for 30%-31%, and other impurity account for 10%-11%.
In a preferred embodiment of the present invention, described other impurity comprise aluminium and phosphorus.
In a preferred embodiment of the present invention, each composition weight proportion of aluminium alloy that described thermal conductivity is good is that copper accounts for 4%, and silicon accounts for 3%, and magnesium accounts for 1.5%, and zinc accounts for 6%, and manganese accounts for 0.5%, and nickel accounts for 40.8%, and iron accounts for 1%, and titanium accounts for 2%, and chromium accounts for 0.2%, and lithium accounts for 31%, and other impurity account for 10%.
The good aluminium alloy of a kind of thermal conductivity of the present invention has good conductivity, thermal conductivity is good and solidity to corrosion is good effect.
Embodiment
Below in conjunction with preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
In one embodiment, the aluminium alloy that a kind of thermal conductivity is good comprises the elements such as copper, silicon, magnesium, zinc, manganese, nickel, iron, titanium, chromium, lithium and other impurity, each element wt proportioning is that copper accounts for 3.8%-4.9%, and silicon accounts for 2%-3.2%, and magnesium accounts for 1.2%-1.8%, zinc accounts for 5.7%-6.7%, and manganese accounts for 0.3%-0.9%, and nickel accounts for 40.3%-42.3%, iron accounts for 0.5%-1%, titanium accounts for 1%-2%, and chromium accounts for 0.1%-0.3%, and lithium accounts for 30%-31%, other impurity account for 10%-11%, and described other impurity comprise aluminium and phosphorus.
Further specify, each composition weight proportion of aluminium alloy that described thermal conductivity is good is that copper accounts for 4%, and silicon accounts for 3%, and magnesium accounts for 1.5%, and zinc accounts for 6%, and manganese accounts for 0.5%, and nickel accounts for 40.8%, and iron accounts for 1%, and titanium accounts for 2%, and chromium accounts for 0.2%, and lithium accounts for 31%, and other impurity account for 10%.
Can debug according to different ratios according to different demands, thereby reach different results of use, wrought aluminium alloy can bear press working.Can be processed into the aluminium alloy material of various forms, specification.Mainly for the manufacture of air material, door and window for building etc.Behaviors of Deformed Aluminum Alloys is divided into again not heat-treatable strengthened type aluminium alloy and heat-treatable strengthened type aluminium alloy.Not heat-treatable strengthened type can not improve mechanical property by thermal treatment, can only realize strengthening by cold deformation, and it mainly comprises rafifinal, industrial rafifinal, commercial-purity aluminium and corrosion-resisting aluminium etc.Heat-treatable strengthened type aluminium alloy can improve mechanical property by thermal treatment means such as quenching and timeliness, and it can be divided into duralumin, wrought aluminium, ultralumin and particular aluminum alloy etc.Cast aluminium alloy according to chemical composition can be divided into aluminum silicon alloy, aluminum-copper alloy, and aluminum magnesium alloy, aluminium-zinc alloy and Al rare earth alloy, wherein aluminum silicon alloy has again the hyper eutectic silicon aluminium alloy, the Eutectic Silicon in Al-Si Cast Alloys aluminium alloy, single Eutectic Silicon in Al-Si Cast Alloys aluminium alloy, cast aluminium alloy uses under as cast condition.The invention provides the good aluminium alloy of a kind of thermal conductivity, have good conductivity, thermal conductivity is good and solidity to corrosion is good effect.
The specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (3)
1. aluminium alloy that thermal conductivity is good, it is characterized in that: comprise the elements such as copper, silicon, magnesium, zinc, manganese, nickel, iron, titanium, chromium, lithium and other impurity, each element wt proportioning is that copper accounts for 3.8%-4.9%, silicon accounts for 2%-3.2%, magnesium accounts for 1.2%-1.8%, and zinc accounts for 5.7%-6.7%, and manganese accounts for 0.3%-0.9%, nickel accounts for 40.3%-42.3%, iron accounts for 0.5%-1%, and titanium accounts for 1%-2%, and chromium accounts for 0.1%-0.3%, lithium accounts for 30%-31%, and other impurity account for 10%-11%.
2. the good aluminium alloy of thermal conductivity according to claim 1, it is characterized in that: described other impurity comprise aluminium and phosphorus.
3. the good aluminium alloy of thermal conductivity according to claim 1, it is characterized in that: each composition weight proportion of aluminium alloy that described thermal conductivity is good is that copper accounts for 4%, and silicon accounts for 3%, and magnesium accounts for 1.5%, zinc accounts for 6%, manganese accounts for 0.5%, and nickel accounts for 40.8%, and iron accounts for 1%, titanium accounts for 2%, chromium accounts for 0.2%, and lithium accounts for 31%, and other impurity account for 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210321952 CN102876955A (en) | 2012-09-04 | 2012-09-04 | Aluminum alloy with high thermal conductivity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210321952 CN102876955A (en) | 2012-09-04 | 2012-09-04 | Aluminum alloy with high thermal conductivity |
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| CN102876955A true CN102876955A (en) | 2013-01-16 |
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| CN 201210321952 Pending CN102876955A (en) | 2012-09-04 | 2012-09-04 | Aluminum alloy with high thermal conductivity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186957A (en) * | 2017-05-15 | 2017-09-22 | 江苏鑫蕴模塑科技有限公司 | A kind of stirring barrel of injection machine |
| CN112567059A (en) * | 2018-08-02 | 2021-03-26 | 特斯拉公司 | Aluminum alloy for die casting |
-
2012
- 2012-09-04 CN CN 201210321952 patent/CN102876955A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186957A (en) * | 2017-05-15 | 2017-09-22 | 江苏鑫蕴模塑科技有限公司 | A kind of stirring barrel of injection machine |
| CN112567059A (en) * | 2018-08-02 | 2021-03-26 | 特斯拉公司 | Aluminum alloy for die casting |
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Application publication date: 20130116 |