Effect of MgFeSi Inoculant on Properties of Cast 6061 Al Alloy for Brake Master Piston Application

Figure 6

Microstructure of (a) as-received AR scrap Al alloy and cast piston with varying percentage of MgFeSi ((b) 0%, (c) 1%, (d) 2%, (e) 3%, and (f) 3% (iron-rich Al₅FeSi phase)) poured at 750°C (×800).

(a)

(b)

(c)

(d)

(e)

(f)