CN102878418A - Aluminum alloy panel with excellent weldability - Google Patents
Aluminum alloy panel with excellent weldability Download PDFInfo
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- CN102878418A CN102878418A CN 201210321944 CN201210321944A CN102878418A CN 102878418 A CN102878418 A CN 102878418A CN 201210321944 CN201210321944 CN 201210321944 CN 201210321944 A CN201210321944 A CN 201210321944A CN 102878418 A CN102878418 A CN 102878418A
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Abstract
The invention discloses an aluminum alloy panel with excellent weldability. The aluminum alloy panel comprises a metal thin layer as an outermost layer and a thermal-insulation layer which is sandwiched in the metal thin layer; the thermal-insulation layer is made of aluminum silicate thermal-insulation cotton; a layer of corrosion-resistance thin film is also coated on the surface of the metal thin layer; the metal thin layer comprises 10-20% of tin, 20-22% of antimony, 40-42% of aluminum, 15-18% of copper and 5-8% of unavoidable impurity. The aluminum alloy panel with excellent weldability, provided by the invention, has the following characteristics of excellent mechanical property, excellent weldability, high usability, easiness for machining, excellent wearing resistance, and the like.
Description
Technical field
The present invention relates to a kind of aluminum alloy material, relate in particular to the good aluminium alloy panel of a kind of weldability.
Background technique
Aluminum alloy is a most widely used class non-ferrous metal structural material in the industry, in Aeronautics and Astronautics, automobile, machine-building, 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 member is increasing, makes the Research on Weldability of aluminum alloy also thereupon deeply.The extensive use of aluminum alloy has promoted the development of aluminum alloy solder technology, and the application of aluminum alloy has been expanded again in the simultaneously development of welding technique, so the welding technique of aluminum 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 ℃), therefore 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 annealed condition σ b value is about 8kgf/mm2, therefore should not make the structure material.By long-term production practices and scientific experiment, people come reinforced aluminum to add the methods such as alloying element and utilization heat treatment gradually, and this has just obtained a series of aluminum 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 strength " (ratio σ b/ ρ of intensity and proportion) surpasses a lot of alloyed steels, become desirable structural material, be widely used in the aspects such as machine-building, Transport Machinery, dynamic power machine and aviation industry, the fuselage of aircraft, covering, gas compressor etc. are often with the aluminum alloy manufacturing, to alleviate deadweight.Adopt aluminum alloy to replace the welding of steel plate materials, structure weight can alleviate more than 50%.
Aluminum 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 electric conductivity, thermal conductivity and corrosion stability, industrial being widely used, and use amount is only second to steel.
Summary of the invention
The object of the present invention is to provide the good aluminium alloy panel of a kind of weldability, have good mechanical properties, weldability is good, workability is good, be easy to processing, the characteristics such as wear resistance is good.
Technological scheme of the present invention is: the aluminium alloy panel that a kind of weldability is good, the aluminium alloy panel that described weldability is good comprises outermost metal thin layer and the thermal-protective coating that is clipped in the metal thin layer, the material of described thermal-protective coating is the alumina silicate heat insulation foam, the surface of described metal thin layer also scribbles the etch-proof film of one deck, and described metal thin layer is comprised of the tin of 10%-20%, the antimony of 20%-22%, the aluminium of 40%-42%, the copper of 15%-18% and some inevitable impurity of 5%-8%.
In a preferred embodiment of the present invention, the thickness of described etch-proof film is 0.01-0.02mm.
In a preferred embodiment of the present invention, described metal thin layer is comprised of 15% tin, 20% antimony, 40% aluminium, 18% copper and some inevitable impurity of 7%.
The good aluminium alloy panel of a kind of weldability of the present invention has good mechanical properties, weldability is good, workability is good, be easy to processing, the characteristics such as wear resistance is good.
Description of drawings
Accompanying drawing 1 is the perspective view of good aluminium alloy panel one preferred embodiment of weldability of the present invention.
The mark of each parts is as follows in the accompanying drawing: 1, metal thin layer, 2, thermal-protective coating.
Embodiment
Below in conjunction with accompanying drawing 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.
See also Fig. 1, Fig. 1 is the good aluminium alloy panel of a kind of weldability of the present invention, the aluminium alloy panel that described weldability is good comprises outermost metal thin layer 1 and the thermal-protective coating 2 that is clipped in the metal thin layer 1, the material of described thermal-protective coating 2 is the alumina silicate heat insulation foam, the surface of described metal thin layer 1 also scribbles the etch-proof film of one deck, the thickness of described etch-proof film is 0.01-0.02mm, and described metal thin layer 1 is comprised of 15% tin, 20% antimony, 40% aluminium, 18% copper and some inevitable impurity of 7%.Aluminum alloy take copper as essential element, moderate strength has good plasticity and good corrosion resistance.Particularly stress-free corrosion tearing tendency, its excellent weldability, corrosion resistance and cold-workability are good, are that a kind of using scope is wide. up-and-coming alloy.But anode oxidation coloration, also paintable enamelling adapts to and makes building and ornament materials.It contains a small amount of tin, thereby intensity is higher than other material, and quenching sensitive is also high than other material, can not realize after the extruding that wind quenches, and needs again solution treatment and quench aging, could obtain higher intensity.
Further specify, the aluminum alloy take antimony as essential element beats by miles in aluminium-zinc binary alloy the thermal effectiveness of this alloy.Improve zinc, content of magnesium in the alloy, tensile strength can be further improved, but the ability of its stress corrosion resistant and anti-strip corrosion can descend thereupon.Through heat-treated, can arrive very high strength characteristics.Material generally all adds the alloys such as a small amount of copper, chromium, and the aluminum alloy that adds this metallic element is particularly top grade, is described as product the best in the aluminum alloy, high, far competent what mild steel of intensity.This alloy also has good mechanical and anode reaction.Representing purposes has Aero-Space, Mould Machining, machinery, frock clamping, is used in particular for making aircaft configuration and other desired strengths are high, corrosion resistance is strong heavily stressed structure.The good aluminium alloy panel of a kind of weldability of the present invention has good mechanical properties, weldability is good, workability is good, be easy to processing, the characteristics such as wear resistance is good.
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 panel that weldability is good, it is characterized in that: the aluminium alloy panel that described weldability is good comprises outermost metal thin layer and the thermal-protective coating that is clipped in the metal thin layer, the material of described thermal-protective coating is the alumina silicate heat insulation foam, the surface of described metal thin layer also scribbles the etch-proof film of one deck, and described metal thin layer is comprised of the tin of 10%-20%, the antimony of 20%-22%, the aluminium of 40%-42%, the copper of 15%-18% and some inevitable impurity of 5%-8%.
2. the good aluminium alloy panel of weldability according to claim 1, it is characterized in that: the thickness of described etch-proof film is 0.01-0.02mm.
3. the good aluminium alloy panel of weldability according to claim 1 is characterized in that: described metal thin layer is comprised of 15% tin, 20% antimony, 40% aluminium, 18% copper and some inevitable impurity of 7%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210321944 CN102878418A (en) | 2012-09-04 | 2012-09-04 | Aluminum alloy panel with excellent weldability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210321944 CN102878418A (en) | 2012-09-04 | 2012-09-04 | Aluminum alloy panel with excellent weldability |
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| CN102878418A true CN102878418A (en) | 2013-01-16 |
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| CN 201210321944 Pending CN102878418A (en) | 2012-09-04 | 2012-09-04 | Aluminum alloy panel with excellent weldability |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904089A (en) * | 2016-05-12 | 2016-08-31 | 安徽天海厨房设备有限公司 | Aluminum alloy cabinet |
| CN106003912A (en) * | 2016-05-12 | 2016-10-12 | 安徽天海厨房设备有限公司 | Aluminum alloy section with good weldability |
-
2012
- 2012-09-04 CN CN 201210321944 patent/CN102878418A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904089A (en) * | 2016-05-12 | 2016-08-31 | 安徽天海厨房设备有限公司 | Aluminum alloy cabinet |
| CN106003912A (en) * | 2016-05-12 | 2016-10-12 | 安徽天海厨房设备有限公司 | Aluminum alloy section with good weldability |
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Application publication date: 20130116 |