Metals A and B of melting poin 700 and 920 respectively are matually soluble in liguie state but pARTILALLY SOULABLE IN SOLID STATE , at 400 c the solubility of B in A is 14% and A in B =9% , at room temperature THE SOLUBILITES AR 1% AND 0.15 RESPECTIVELY.CONSTRUCT A PHASE DIAGRAM from the following data
temp liquid (temp) solid (temp)
10 640 500
20 572 400
40 435 400
50 450 400
70 660 400
90 840 400
95 880 650
1- estimate the eutectic composition(%wt b)
2-sketch the final microstructre at 5% B ,EUTICTIC COMPOSITION AND 60% B
3-sketch the microsture during slow cooling of an alloy conataing 25%B from its liquid state to room temperature