7A05 aluminum alloy corrosion solution
A technology for corrosion solution and aluminum alloy, which is applied in the field of 7A05 aluminum alloy corrosion solution, can solve problems such as incompleteness, difficult corrosion of the metallographic structure of aluminum alloy, and inconspicuous effect, etc., to achieve short corrosion time, save cost, shorten metal The effect of sample preparation time
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[0013] For 7A05 aluminum alloy corrosion solution, add 3.5ml nitric acid, 2.5ml hydrochloric acid, and 10.5ml hydrofluoric acid to 83.5ml distilled water to make a corrosion solution. When preparing, add nitric acid first, then hydrochloric acid, and finally hydrofluoric acid. Just mix well.
[0014] The corrosion solution prepared by the above steps is used to corrode 7A05 aluminum alloy, the specific effect is shown in figure 1 , it can be seen that the 7A05 aluminum alloy corrosion solution of the present invention has a better effect, and the grain boundaries and grains are clearly displayed.
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