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

Figure 1

Schematization of the Ostwald dissolution mechanism: (a) before solutionizing; (b) dissolving of the small particles; (c) the large particles growing due to dissolution of the small ones (broken arrow) and/or by merging (black arrow) [3].

(a)

(b)

(c)