Surface treatment for aluminum forgings usually includes sandblasting, anodizing, and electroplating. Surface treatment not only gives a better appearance and texture but also increases corrosion resistance, hardness, and service life of the forging parts. Here are a few practical production cases:
- Sandblasting Sandblasting is a typical surface treatment method that may use materials like diamond dust, glass beads, etc. One automotive manufacturer used sandblasting as their surface treatment method to make their aluminum forging parts smooth and delicate in appearance, and suitable for high-end car models.
- Anodizing Anodizing is a particular surface treatment method for aluminum forging parts that forms a layer of aluminum dioxide protection layer. This protection layer can improve the aluminum alloy forging part’s resistance to corrosion and appearance. For instance, aviation manufacturers use this method to prevent parts from being affected by corrosion media such as seawater.
- Electroplating Using the electrochemical method to deposit coatings on aluminum forging parts’ surface can further improve their corrosion resistance and abrasive wear capacity while maintaining their original physical properties. For example, a certain aviation component manufacturer applied this method to produce wing components, which significantly enhanced their corrosion resistance and surface hardness.
In summary, the surface treatment of aluminum forging parts depends on specific requirements, combined with real-world effects for improvement to meet different application demands.
