A kind of magnesium workpiece surface spray liquid and application thereof
A workpiece surface and spraying liquid technology, which is applied in the field of spraying liquid on the surface of magnesium workpieces to prepare durable superamphiphobic surfaces of magnesium workpieces, to achieve the effects of convenient operation, simple preparation process, and widening application fields
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Embodiment 1
[0025] The preparation of surface spraying liquid of pure magnesium workpiece (diameter 20mm, thick 5.0mm disc), concrete steps are as follows:
[0026] ① Take 500ml of concentrated phosphoric acid and dilute to 1L, then ultrasonically disperse 150g of aluminum hydroxide in it, and stir at 85°C for 4 hours to obtain solution A;
[0027] ② Add 10ml of nonanoic acid and 90ml of nonanol to 900ml of absolute ethanol, stir at room temperature for 2 hours to obtain solution B;
[0028] ③Take 400ml of solution A and 600ml of solution B, mix them, and stir at room temperature for 0.5 hours to obtain the surface spraying solution for magnesium workpieces.
[0029] Apply the above-mentioned spraying solution to prepare the durable super-amphiphobic surface of pure magnesium workpiece, the specific steps are as follows:
[0030] ① Spraying treatment: Spray the above-mentioned spraying liquid evenly on the surface of the clean pure magnesium workpiece, the ratio of the volume of the spra...
Embodiment 2
[0045] The preparation of surface spraying liquid on AZ31 magnesium alloy workpiece (1.0m×0.5m×3.0mm rectangular plate), the specific steps are as follows:
[0046] ① Take 750ml of concentrated phosphoric acid and dilute to 1L, then ultrasonically disperse 250g of aluminum hydroxide in it, and stir at 100°C for 5 hours to obtain solution A;
[0047] ② Add 30ml of nonanoic acid and 70ml of nonanol to 900ml of absolute ethanol, stir at room temperature for 1 hour to obtain solution B;
[0048] ③Take 400ml of solution A and 600ml of solution B, mix them, and stir at room temperature for 1.5 hours to obtain the surface spraying solution for magnesium workpieces.
[0049] Apply the above spraying solution to prepare the durable superamphiphobic surface of AZ31 magnesium alloy workpiece, the specific steps are as follows:
[0050] ① Spraying treatment: Spray the above-mentioned spraying liquid evenly on the surface of the clean AZ31 magnesium alloy workpiece. The ratio of the volum...
Embodiment 3
[0054] The preparation of surface spraying liquid of AZ61 magnesium alloy workpiece (square plate of 20cm * 20cm * 4.0mm), concrete steps are as follows:
[0055] ① Take 600ml of concentrated phosphoric acid and dilute to 1L, then ultrasonically disperse 200g of aluminum hydroxide in it, and stir at 90°C for 3 hours to obtain solution A;
[0056] ② Add 20ml of nonanoic acid and 80ml of nonanol to 900ml of absolute ethanol, stir at room temperature for 1.5 hours to obtain solution B;
[0057] ③Take 400ml of solution A and 600ml of solution B, mix them, and stir at room temperature for 1.0 hour to obtain the surface spraying solution for magnesium workpieces.
[0058] Apply the above spraying solution to prepare the durable superamphiphobic surface of AZ61 magnesium alloy workpiece, the specific steps are as follows:
[0059] ① Spraying treatment: Spray the above-mentioned spraying liquid evenly on the surface of the clean AZ61 magnesium alloy workpiece. The ratio of the volume...
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