A sheet of BCC iron 2 mm thick is exposed to a carburizing gas on one side and a
decarburizing gas on the other at 600 oC. After reaching steady state, the iron sheet is
quenched to room temperature, and the C concentrations at each side of the membrane
are 0.27 kg/m3 and 1.386 kg/m3
. Calculate the diffusion coefficient if the diffusion flux is
1.4 x 10-8
kg/m2
s.
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