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

Figure 1

Micrographs of metal 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) Mcast

(b) MTA-3

(c) MTA-4

(d) MTA-5

(e) MTA-6

(f) MTA-7