a) Draw only the eutectoid portion of the Fe-C phase diagram. Indicate all the important compositions and temperatures.

b) Also, label all the areas with (i) phases and (ii) micro constituents on two separate Fe-C phase diagrams containing only eutectoid portions.

c) Write down the names of the equilibrium micro constituents at room temperatures for 1040, 1077, and 10120 steels. Draw their microstructures.

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