magnesium alloyDue to its lightweight, high strength and other characteristics, it is widely used in aviation, aerospace and other fields. However, due to the reactivity of magnesium, it is prone to chemical reactions with oxygen, moisture, and other substances in the environment, forming a dense oxide film that leads to corrosion and wear on the surface of magnesium alloys. To solve this problem, Advanced Institute Technology has conducted many studies, among which magnetron sputtering technology has become a popular technology for surface treatment of magnesium alloys due to its excellent corrosion resistance and wear resistance.
1、 The principle and characteristics of magnetron sputtering technology
1. Basic principles of magnetron sputtering technology
Magnetron sputtering is a technique of heating and sputtering metal targets into thin films through an induced magnetic field. In the surface treatment of magnesium alloys, selecting suitable target materials (such as copper, aluminum, etc.) for sputtering can form a thin film layer with good corrosion resistance and wear resistance.
2. Advantages of Magnetron Sputtering Technology
Magnetron sputtering technology has the following characteristics:
(1) The prepared surface facial mask has good corrosion resistance and can effectively protect the base material of magnesium alloy.
(2) The film layer has high hardness and wear resistance, which can improve the service life of magnesium alloys.
(3) Magnetron sputtering technology can select different target materials and process parameters to prepare thin film layers with specific functions, such as ceramic coatings, metal composite coatings, etc.
2、 Application of Magnetron Sputtering Technology in Surface Treatment of Magnesium Alloys
1. Improve the corrosion resistance of magnesium alloys
Magnetron sputtering technology can prepare thin film layers with good corrosion resistance, such as
Aluminum oxide filmSilicon nitride thin film, etc. These thin film layers can block external media such as oxygen and moisture from entering the surface of magnesium alloys, reducing the occurrence of corrosion.
For example, researchers used magnetron sputtering technology to prepare a layer of aluminum oxide film on the surface of magnesium alloy. Through electrochemical testing, it was found that the film layer can significantly reduce the corrosion rate of magnesium alloy and extend the service life of the alloy.
2. Improve the hardness and wear resistance of magnesium alloys
Hard coatings can be prepared using magnetron sputtering technology to improve the hardness and wear resistance of magnesium alloys. Magnetron sputtering technology can select different target materials, such as tungsten carbide, aluminum nitride, etc., to form thin film layers with high hardness.
For example, scientists used magnetron sputtering technology to prepare a layer of tungsten carbide coating on the surface of magnesium alloy. Through friction and wear experiments, it was found that the coating can significantly reduce the wear of magnesium alloy and improve its wear resistance.
3、 Development Trends and Prospects of Magnetron Sputtering Technology
1. Develop high-performance coating materials
With the development of technology, people will continue to research and develop coating materials that can improve the surface properties of magnesium alloys. Magnetron sputtering technology can be applied to prepare different types of coatings, which not only improve magnesium alloys but also meet the needs of different application fields.
2. In depth study of magnetron sputtering mechanism
The application of magnetron sputtering technology in surface treatment of magnesium alloys is still in the research stage, and in-depth study of its mechanism can help improve the stability and effectiveness of the technology.
Conclusion:
Applied FilmAs a new surface treatment technology for magnesium alloys, it has the advantages of excellent corrosion resistance and strong wear resistance, providing a new solution for the application of magnesium alloys. With the deepening of research and the improvement of processes, the application prospects of magnetron sputtering technology in surface treatment of magnesium alloys are broad, which will provide more possibilities for the application of magnesium alloys in aviation, aerospace, electronics and other fields.
