Local corrosion problems and solutions of ion plating decorative film products
Mar 13, 2025| Local corrosion problems and solutions of ion plating decorative film products
Ion plating decorative film mostly uses transition metals and their compounds, these compounds themselves have high chemical inertia and corrosion resistance. However, in recent years, some decorative coating products have failed to pass the artificial sweat corrosion test or the neutral salt spray corrosion test, which has attracted wide attention. Decorative coating products of corrosion problems involving not only the corrosion resistance of the plating itself, also associated with the system corrosion of decorative coating and substrate. Although the ion plating decorative coating can improve the overall corrosion resistance of the substrate, due to the thin coating, there are inevitable surface defects, such as micro-cracks, micro-pores, and so on. These defects will make the corrosive medium pass through the coating to the substrate, forming the corrosive battery, and resulting in the substrate being oxidized and corroded. To improve the system of local corrosion resistance, a variety of measures, such as improving the coating compactness, high corrosion-resistant substrate materials dense deposit corrosion transition layer, etc. In addition, the non-PVD method of coating UV oil is controversial, but it has a certain effect in improving corrosion resistance.
IKS PVD company, decorative coating machine, tools coating machine, DLC coating machine, optical coating machine, PVD vacuum coating line, and the turn-key project are available. Contact us now, E-mail: iks.pvd@foxmail.com