Influence of Multi-pass Friction Stir Processing on Microstructure and Mechanical Properties of Die Cast Al-7Si-3Cu Aluminum Alloy

L. John Baruch, R. Raju, V. Balasubramanian, A. G. Rao, I. Dinaharan

Fig. 6 Microhardness profile across the as-cast, three-pass FSPed region before and after precipitation hardening treatment