Mechanical Response of Al-1.09Mg₂Si Alloy under Varying Mould and Thermal Ageing Conditions

Figure 2

Micrographs of sand mould cast specimens: (a) as-cast, (b) solution treated and aged for 3 hrs, (c) solution treated and aged for 4 hrs, (d) solution treated and aged for 5 hrs, (e) solution treated and aged for 6 hrs and (f) solution treated and aged for 7 hrs.

(a) Scast

(b) STA-3

(c) STA-4

(d) STA-5

(e) STA-6

(f) STA-7