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

Figure 20

Backscattered electron images of 319 alloy (with 0.4% Mg) solutionized at 520°C: (a) general view, (b) presence of π–Fe platelets around and inside a pore, and (c) a high magnification electron image of the white circle in (b).

(a)

(b)

(c)