Question: please give answer In a XY binary system, eutectic reaction occurs at 180C, where the maximum solubility of -phase is 20wt%Y. The element B is

 please give answer In a XY binary system, eutectic reaction occurs

please give answer

In a XY binary system, eutectic reaction occurs at 180C, where the maximum solubility of -phase is 20wt%Y. The element B is assumed to be pure at this equilibrium condition. The melting point of X is 320C and Y is 230C. It is found that at 220C, phases contains 17wt%Y, liquid contains 46wt%Y. The solubility of -phase decreases with decreasing temperature. Given these conditions, (a) Draw an approximate phase diagram [3] (b) Determine the relative weight fraction of for 35wt%X at 220C [3]

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