A kind of preparation method of golden film
A thin film and golden technology, which is applied in the field of preparation of golden thin films, can solve the problems of difficult to achieve ideal golden appearance, low surface gloss, reddish color, etc., and achieve the effect of pure color, high gloss and good antibacterial effect
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Embodiment 1
[0025] The preparation method step of the golden thin film of embodiment 1 is:
[0026] 1. Speed gradient mechanical polishing
[0027] ① Perform low-speed mechanical polishing on the surface of the aluminum alloy blank workpiece, the speed is 1000r / min, and the time is 5min;
[0028] ②Then perform medium-speed mechanical polishing on the workpiece after low-speed polishing, the speed is 2000r / min, and the time is 10min;
[0029] ③Finally, perform high-speed mechanical polishing on the workpiece after medium-speed polishing, with a rotation speed of 3000r / min and a time of 15 minutes;
[0030] Through the setting of gradient mechanical polishing, as the rotation speed and polishing time increase, the oxide film naturally formed on the surface of the aluminum alloy substrate will be gradually peeled off, and the roughness of the substrate surface will become smaller and smaller, which can effectively improve the surface gloss of the film .
[0031] 2. Degreasing treatment ...
Embodiment 2
[0052] The preparation method of the golden thin film of Example 2 is basically the same as that of Example 1, the difference is that in the gold dyeing process, the dyeing time is changed, and the dyeing time is 15 minutes.
Embodiment 3
[0054] The preparation method of the golden thin film of Example 3 is basically the same as that of Example 1, the difference is that in the gold dyeing process, the dyeing time is changed, and the dyeing time is 20 minutes.
[0055] The obtained golden thin film is evenly formed, and the copper particles are dispersed and distributed.
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