Mechanical Properties of Friction Stir Processed 1100 Aluminum Reinforced with Rice Husk Ash Silica at Different Rotational Speeds : Figure 1

Figure 1: Cross-sectional view of the weld zone for Al 1100 with or without added silica treated at different tool rational speeds: (a) 865rpm without silica; (b) 600rpm with silica; (c) 865rpm with silica; (d) 1140rpm with silica; and (e) 1500rpm with silica.