Aluminum die-cast alloy surface corrosion-resistant silver-based amorphous film and preparation process thereof
A technology of casting aluminum alloy and amorphous film, which is applied in metal material coating process, ion implantation plating, coating, etc., can solve the problems of restricting the application of amorphous materials and harsh conditions, and achieve improved smoothness and good acid resistance , The effect of saving target materials
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Embodiment 1
[0019] The raw materials are: 3.5mm thick A380 die-cast aluminum alloy sheet, metal Ag, Cu and rare earth element Ce.
[0020] Preparation process of silver-based amorphous film on aluminum alloy surface:
[0021] (1) First, prepare the target material, calculate according to atomic percentage 45%, 45%, 10% and weigh the corresponding elements Ag, Cu, Ce. Under the protection of argon atmosphere, the smelting is repeated in a high-frequency induction furnace. First melt Ag and Cu, and then add Ce into the melt under the silver foil. The induction frequency is controlled at 45-50kHz. In order to obtain an alloy ingot with uniform element distribution. The skin is removed and cut into squares. After polishing and cleaning the surface, it is fixedly installed on the target device of the plasma sputtering equipment.
[0022] (2) Polish the aluminum alloy surface with sandpaper first, and then perform ultrasonic cleaning in acetone and ethanol solutions to remove oil stains. Clamp the...
Embodiment 2
[0026] Preparation process of silver-based amorphous film on aluminum alloy surface:
[0027] (1) First, prepare the target material, calculate according to atomic percentage 50%, 45%, 5%, and weigh the corresponding elements Ag, Cu, Ce. Under the protection of argon atmosphere, the smelting is repeated in a high-frequency induction furnace. First melt Ag and Cu, and then add Ce into the melt under the silver foil. The induction frequency is controlled at 45-50kHz. In order to obtain an alloy ingot with uniform element distribution. The skin is removed and cut into squares. After polishing and cleaning the surface, it is fixedly installed on the target device of the plasma sputtering equipment.
[0028] (2) Polish the aluminum alloy surface with sandpaper first, and then perform ultrasonic cleaning in acetone and ethanol solutions to remove oil stains. Clamp the cleaned aluminum alloy into the plasma sputtering equipment.
[0029] (3) Vacuum to P=4×10 -4 Pa, then argon gas with a...
Embodiment 3
[0032] Preparation process of silver-based amorphous film on aluminum alloy surface:
[0033] (1) First, prepare the target material, calculate according to atomic percentage 55%, 40%, 5% and weigh the corresponding elements Ag, Cu, Ce. Under the protection of argon atmosphere, the smelting is repeated in a high-frequency induction furnace. First melt Ag and Cu, and then add Ce into the melt under the silver foil. The induction frequency is controlled at 45-50kHz. In order to obtain an alloy ingot with uniform element distribution. The skin is removed and cut into squares. After polishing and cleaning the surface, it is fixedly installed on the target device of the plasma sputtering equipment.
[0034] (2) Polish the aluminum alloy surface with sandpaper first, and then perform ultrasonic cleaning in acetone and ethanol solutions to remove oil stains. Clamp the cleaned aluminum alloy into the plasma sputtering equipment.
[0035] (3) Vacuum to P=4×10 -4 Pa, then argon gas with a ...
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