Corrosion resistant aluminum alloy
An aluminum alloy and corrosion-resistant technology, applied in the field of corrosion-resistant aluminum alloys, can solve problems such as loss of efficacy and pitting corrosion of aluminum alloy products, and achieve the effects of good practicability of finished products, simple preparation method, and convenient process operation
Inactive Publication Date: 2009-10-28
SHANGHAI XINLOU WEIKAI CHEM LOAD
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Problems solved by technology
[0002] Aluminum alloys are widely used in various industrial fields due to their high strength, light weight, and extrudability. One of the problems of aluminum alloys in corrosive environments is pitting corrosion. Corrosion will cause the integrity of aluminum alloy products, which can make aluminum alloy products lose efficacy
Method used
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Embodiment Construction
[0018] Corrosion-resistant aluminum alloy, its composition includes: Al, Si, Cu, Mn, Mg, characterized in that the weight ratio is:
[0019] AL 93.7%-95.4%
[0020] Si 2%-4%
[0021] Cu 0.8%-1.6%
[0022] Mn 0.2%-0.4%
[0023] Mg 0.3%-0.4%
[0024] The content of other impurity elements in the alloy is
[0025] Fe 0-1%
[0026] Cr 0-0.5%
[0027] Ni 0-0.5%
[0028] Co 0-0.5%
[0029] Zn 0-1.5%
[0030] V 0-0.2%.
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The invention relates to the field of alloys, in particular to a corrosion resistant aluminum alloy, comprising the compositions of Al, Si, Cu, Mn, and Mg. The aluminum alloy is characterized by comprising the compositions with the following weight percentage: 93.7-95.4 of Al, 2-4 of Si, 0.8-1.6 of Cu, 0.2-0.4 of Mn and 0.3-0.4 of Mg. Compared with the prior art, the invention has simple preparation method, good practicality of finished products, simple and convenient technological operation, and good corrosion performance whiling ensuring the high strength performance of the aluminum alloy.
Description
[technical field] [0001] The invention relates to the field of alloys, in particular to a corrosion-resistant aluminum alloy. [Background technique] [0002] Aluminum alloys are widely used in various industrial fields due to their high strength, light weight, and extrudability. One of the problems of aluminum alloys in corrosive environments is pitting corrosion. Corrosion will cause the integrity of aluminum alloy products, which can make aluminum alloy products Lose efficacy. [Content of the invention] [0003] The purpose of the invention is to overcome the deficiencies of the prior art and provide an aluminum alloy with strong corrosion resistance. [0004] In order to achieve the above object, design a kind of corrosion-resistant aluminum alloy, its composition comprises: Al, Si, Cu, Mn, Mg, it is characterized in that counterweight ratio is: [0005] AL 93.7%-95.4% [0006] Si 2%-4% [0007] Cu 0.8%-1.6% [0008] Mn 0.2%-0.4% [0009] Mg 0.3%-0.4% [0010] Th...
Claims
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Inventor 杨成楼
Owner SHANGHAI XINLOU WEIKAI CHEM LOAD