Describe the phases that appear as an iron-0.5 weight percent carbon alloy is slowly cooled from the meltingtemperature. describe the compositions of the phases and weight fractions of each phase at each of thefollowing temperatures: 1470°c, 1100°c, 740°c, and 500°c. at what temperature will the austenitephase in this alloy have the highest carbon content? when the alloy is held at 700 c, what is the weightfraction of the ferrite phase that formed inthe alloy before the eutectoid reaction had taken place?