Effects of Moulding Sand Permeability and Pouring Temperatures on Properties of Cast 6061 Aluminium Alloy

Figure 7

Enlarged micrographs showing porous cast aluminium alloy (TS11–TS14) at 700 ± 10°C pouring temperature at different moulding sand mixing ratios (a) 80 : 20, (b) 60 : 40, (c) 40 : 60, and (d) 20 : 80 (100 mag.).

(a)

(b)

(c)

(d)