Question: A & B are completely soluble in both liquid and solid states; melting point of A and B are 1800 degree C and 1450 degree

A & B are completely soluble in both liquid and solid states; melting point of A and B are 1800 degree C and 1450 degree C respectively. An alloy containing 40 % B starts to solidify at 1710 degree C by separating crystals of 15 % B. an alloy containing 70 % B starts to solidify at 1550 degree C by separating crystals of 37 % B.

Construct the phase diagram.

For an alloy containing 70 % B:

A- Give the temperature of initial and final solidification.

B- Give the chemical composition and the amounts of the phases present at 1500 degree C

C- Draw the cooling curve

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