... 4Durability, Degradation and Recycling of Aluminium Alloys Figure 21. Micro-photo of Aluminium. Figure 22. Micro-photo of Interface Region in Joints.Figure 23. Al–Cu Binary Equilibrium Phase Diagram [17 ]. Aluminium ... 15 , 10 80 -10 86. [11 ] Sahin, M., & Akata, H. E. (2003). Joining with Friction Welding of Plastically De‐formed Steel. Journal of Materials Processing Technology, 14 2 (1) , 239-246. [12 ] Sahin, ... in energy consumption savings and lower disposal costs. 1. 1. Recycling of aluminium cans Aluminium recycling is acomplex process, involving a variety of stages. The aluminium used comes primarily...