Metals A and B melt at 600 C and 300 C respectively They are partially soluble in the solid state and form an intermetallic compound AXBY at 40 B with a melting point of 900 C A eutectic reaction is formed at 20 B and 300 C and a peritectic reaction at 60 B and 500 C Cooling curves show arrest points at 300 C over the range 10 to 40 B and at 500 C over the range 40 to 80 B At room temperatures the solubility of B in A is 5 and A in B 10 Assuming all phase boundaries are straight lines and that there is no solubility of A or B in the compound AXBY draw the equilibrium diagram for the system A B Label the phase fields