The table shows the solidification temperatures for the various alloys of metal A and metal B. The melting point of metal A is 1083°C and the melting point of metal B is 1453°C. % of metal B in alloy 10 10 20 30 40 40 50 60 70 80 90 Start of solidification (°C) 1160 1220 1270 1320 1350 1380 1400 1430 1440 End of solidification (°C) 1080 1090 1110 1140 1170 1220 1270 1330 1380 1. Draw the thermal equilibrium diagram according to the given data; 2. Label the main features of the diagram 3. Determine, from the diagram, the ratio of the phases at 1250 °C for the alloy of 50% metal B. 4. Outline the various stages of solidification as a metal cools, from X to the crystal at Y, as shown below. X x + Y