A kind of anodic oxidation method of aluminum-lithium alloy parts
A technology of anodizing, aluminum-lithium alloy, applied in anodizing, coating, surface reaction electrolytic coating, etc., can solve the problems of great influence on the fatigue performance of the matrix, poor film performance, low film forming efficiency, etc. Film formation efficiency and film performance, effect of reducing influence
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Embodiment 1
[0024] The process of anodizing method is as follows:
[0025] 1. The test material is 2297 aluminum-lithium alloy plate, the size is 50mm×100mm×3mm;
[0026] 2. Put the parts in acetone solution for ultrasonic cleaning for 6 minutes;
[0027] 3. Hang the parts on the aluminum alloy hanger;
[0028] 4. First place the workpiece in a sodium hydroxide solution with a concentration of 20g / L for alkali corrosion. The temperature of the sodium hydroxide solution is 40°C, and the alkali corrosion time is 2 minutes. After taking it out, clean the surface of the sample with deionized water; Then place the workpiece in the light-emitting solution for light-emitting, the light-emitting solution is a nitric acid solution with a concentration of 210mL / L, and the light-emitting time is 3min. After taking it out, clean the surface of the sample with deionized water;
[0029] 5. Preparation of anodic oxidation solution: the anodic oxidation solution is an aqueous solution of sulfuric acid,...
Embodiment 2
[0034] The process of anodizing method is as follows:
[0035] 1. The test material is 2A97 aluminum-lithium alloy plate, the size is 50mm×100mm×3mm;
[0036] 2. Put the parts in acetone solution for ultrasonic cleaning for 7 minutes;
[0037] 3. Hang the parts on the aluminum alloy hanger;
[0038] 4. First place the workpiece in a sodium hydroxide solution with a concentration of 30g / L for alkali corrosion. The temperature of the sodium hydroxide solution is 45°C, and the alkali corrosion time is 1.5min. After taking it out, clean the surface of the sample with deionized water ; Then place the workpiece in the light-emitting solution for light-emitting, the light-emitting solution is a nitric acid solution with a concentration of 280mL / L, and the light-emitting time is 2min, after taking it out, clean the sample surface with deionized water;
[0039] 5. Preparation of anodic oxidation solution: the anodic oxidation solution is an aqueous solution of sulfuric acid, sodium b...
Embodiment 3
[0044] The process of anodizing method is as follows:
[0045] 1. The test material is 2095 aluminum-lithium alloy plate, the size is 50mm×100mm×3mm;
[0046] 2. Place the parts in acetone solution for ultrasonic cleaning for 8 minutes;
[0047] 3. Hang the parts on the aluminum alloy hanger;
[0048] 4. First place the workpiece in a sodium hydroxide solution with a concentration of 35g / L for alkali corrosion. The temperature of the sodium hydroxide solution is 50°C, and the alkali corrosion time is 1min. After taking it out, clean the surface of the sample with deionized water; Then place the workpiece in the light-emitting solution for light-emitting, the light-emitting solution is a nitric acid solution with a concentration of 350mL / L, and the light-emitting time is 1min. After taking it out, clean the surface of the sample with deionized water;
[0049]5. Preparation of anodic oxidation solution: the anodic oxidation solution is an aqueous solution of sulfuric acid, sod...
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