What are the main processing methods of aluminum veneer?

1. Processing strengthening aluminum plate

Processing strengthening is also called cold work hardening, which is the cold deformation of aluminum plate below the recrystallization temperature, such as forging, rolling, drawing, stretching, etc. During cold deformation, the internal dislocation density of the aluminum plate increases, and they are entangled with each other and form a cellular structure, which hinders the movement of dislocations. The greater the deformation, the more serious the dislocation entanglement, the greater the deformation resistance, and the higher the strength. The degree of strengthening after cold deformation varies with the deformation degree, deformation temperature and the properties of the material itself. When the same material is cold deformed at the same temperature, the greater the deformation, the higher the strength and the lower the plasticity.

2. Solid solution strengthening aluminum plate

Adding certain alloying elements to pure aluminum to form an infinite solid solution or a limited solid solution can not only obtain high strength, but also excellent plasticity and good pressure processing performance. In general aluminum plates, the alloying elements commonly used for solid solution strengthening are copper, magnesium, manganese, zinc, silicon, nickel and other elements. Generally, the alloying of aluminum plates forms a limited solid solution, such as Al-Cu, Al-Mg, Al-Zn, Al-Si, Al-Mn and other binary alloys, which form a limited solid solution and have a large solubility and can play a large solid solution strengthening effect.

After strengthening, the hardness performance of aluminum plates will be significantly improved, but their hardness cannot be improved all the time; when the upper limit of hardness is reached, no matter what method is used, the hardness of aluminum plates cannot be further improved, and only grades with higher basic hardness can be selected.