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Steel is an alloy composed of iron as well as carbon that crystallizes BCC, where C atoms are located at interstitial sites obtainable in the center of the faces.
a) Depict it to unit cell showing the atomic positions of Fe (iron) and C
b) Compute the packing factor of the unit cell for a 1020 steel (0.2% carbon) if you have 1 mm3 steel, calculate
c) Explain the number of atoms of Fe and C
d) Explain the actual volume occupied by atoms
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