Question: Consider an 2 5 wt % Si , 7 5 wt % Al alloy : a ) What will be composition of the first solid

Consider an 25 wt % Si,75 wt% Al alloy :
a) What will be composition of the first solid to form during solidification?
b) What will be phases at 578C(i.e. just above the eutectic temperature of 577C)? What will be their compositions?
c) The weight fractions of each phase at 578C?
Consider an 25 wt % Si,75 wt% Al alloy : a)

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