i$.$ What phase or phases can be found?

$(2$ marks$)$

ii$.$ What is the chemical composition of each phase present?

$(4$ marks$)$

iii. How much of each phase is present in $($i$)?$

$(6$ marks$)$

iv$.$ Sketch the microstructure at this temperature.

$(2$ marks$)$

Conduct a comparable phase analysis to the previous questions, this time at $600C.$

$(6$ marks$)$a$)$ Considering an alloy composition of $20$wt$\%$ Mg$-80$wt$\%$ Al for a aluminummagnesium alloy.at a temperature of $500$C$,$ as depicted in Figure $1,$ analyze the following inquiries in accordance with the details presented in the phase diagram for this particular alloy composition..a$)$ Considering an alloy composition of $20$wt$\%$ Mg$-80$wt$\%$ Al for a aluminummagnesium alloy.at a temperature of $500$C$,$ as depicted in Figure $1,$ analyze the following inquiries in accordance with the details presented in the phase diagram for this particular alloy composition..