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

Table 2

Pouring temperatures and mixing ratios of coarse and fine moulding sand.

Temperature °C	Mixing ratios coarse (−1180 +300 μm); and fine (−300 +75 μm) moulding sand
	Set 1	Set 2	Set 3	Set 4
700	80 : 20	60 : 40	40 : 60	20 : 80
750	80 : 20	60 : 40	40 : 60	20 : 80
800	80 : 20	60 : 40	40 : 60	20 : 80