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Problem 16 (8 pts): Assuming that the carbon content in the air is 4.24x10 atoms/cm' and constant and is equal to twice the initial carbon concentration in a steel component,

which is taken to be initially uniform. How long would it take the carbon content 5 µm from the surface of the steel to increase by 50% when baking at 210 °C? (answer in hours)

Fig: 1