In: Mechanical Engineering
1. What are the age hardening alloy systems in Al-based alloys based on classification of major alloyingsystems for Al-based alloys?
2.In alloy system of Al - 4.4%Cu - 0.8%Si - 0.8%Mn - 0.5%Mg which is commonly used for aircraft structures, sketch and explain all transformation stages during age hardening. What is the driving mechanism for each step?