Aluminum alloy surface modification method
A technology of aluminum alloy surface and aluminum alloy plate, applied in the field of material surface treatment and strengthening, can solve the problems of cracking, combined interface cracks, etc., to achieve good wear resistance, improve surface strength, improve wear resistance and corrosion resistance. Effect
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[0037] Example 1, see figure 1 , figure 2 , Use electronic balance FA2004N to weigh Cr, Ti, Si, V and Al powder, the molar ratio of each powder is: 23% Cr, 28% Ti, 21% Si, 27% V, 1% Al, And put the weighed powder in a ball mill to mix well, and the mixing time is 4 hours. Then configure 4% polyvinyl alcohol as an adhesive, and heat it in a water bath for about 10 minutes to completely melt it. Polish the aluminum alloy plate with metallographic sandpaper to remove the oxide film on the surface, and clean it with acetone. The mixed powder is blended into a viscous form with a prepared adhesive, and pre-coated on the cleaned aluminum alloy plate with a coating thickness of 0.5 mm and dried for about 3 hours. The UW-600A YAG laser is used to irradiate the prefabricated coating on the aluminum alloy and protected by high-purity argon. The defocus of the laser focal spot is 3mm, the pulse width is 6ms, the laser peak power is 8kw, the frequency is 8HZ, and the scanning speed is ...
Example Embodiment
[0039] In Example 2, using an electronic balance FA2004N to weigh the Cr, Ti, Si, V and Al powders, the molar ratio is: 21% Cr, 25% Ti, 23% Si, 28% V, 3% Al, And put the weighed powder in a ball mill to mix well, and the mixing time is 5 hours. Then configure 4% polyvinyl alcohol as an adhesive, and heat it in a water bath for about 10 minutes to completely melt it. Polish the aluminum alloy plate with metallographic sandpaper to remove the oxide film on the surface, and clean it with acetone. The mixed powder is mixed with a prepared adhesive into a viscous shape, and pre-coated on the cleaned aluminum alloy plate with a coating thickness of 0.5 mm and dried for about 3 hours. The UW-600A YAG laser is used to irradiate the prefabricated coating on the aluminum alloy and protected by high-purity argon. The defocus of the laser focal spot is 3mm, the pulse width is 6ms, the laser peak power is 8kw, the frequency is 8HZ, and the scanning speed is 5mm / s. Combining energy spectr...
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