Most of the metals used in metal products are steel and they are easily rusted during use. The other metals commonly used, such as copper, zinc, aluminum and their alloys, are not very shiny on the surface and are not easily retained even when shiny. At this time, the surface of these metal products is plated with another metal that does not easily rust or keep bright, and the corrosion resistance and discoloration resistance of these metal products can be changed.
Different products have different requirements for plating, but basically there are the following points:
1. The coating must have a good bond with the substrate, and there must be a good bond between the coating and the coating. It can withstand shocks, impacts, vibrations, bending and deformation during processing without falling off.
2. The coating should meet the required basic properties, such as protection, decorative or other functionalities, and the porosity of the coating should be small to ensure its mechanical and electrochemical protection performance.
Third, the cost of plating should be reasonable.
Different products have different requirements for plating, but basically there are the following points:
1. The coating must have a good bond with the substrate, and there must be a good bond between the coating and the coating. It can withstand shocks, impacts, vibrations, bending and deformation during processing without falling off.
2. The coating should meet the required basic properties, such as protection, decorative or other functionalities, and the porosity of the coating should be small to ensure its mechanical and electrochemical protection performance.
Third, the cost of plating should be reasonable.
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