Microstructural Characterization of Beryllium Treated Al-Si Alloys

Figure 2

(a) Temperature-time cooling curve and its first derivative obtained from the base alloy A1, (b) the corresponding microstructure showing small size of the β-Al₅FeSi phase and the π-Al₈Mg₃FeSi₆ phase particles, and (c) partial transformation of β-Al₅FeSi to π-phase.

(a)

(b)

(c)