Spheroidization and Coarsening of Eutectic Si Particles in Al-Si-Based Alloys

Figure 15

Changes in the size and distribution of Si particles in 413 alloy as a function of heating at 510°C at various times: (a) as-cast-unmodified, (b) as-cast-modified, (c) 1200 h, unmodified, and (d) 1200 h, modified.

(a)

(b)

(c)

(d)