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1- A sheet of BCC Fe 1.0mm thick is exposed to a carburizing gas on one side and a decarburizing gas on the other at

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1- A sheet of BCC Fe 1.0mm thick is exposed to a carburizing gas on one side and a decarburizing gas on the other at 725C. After reaching steady state, the Fe membrane is quenched to room temperature, and the C concentrations at each side of the membrane are 0.012 and 0.075wt%. Calculate the diffusion coefficient if the diffusion flux is 1.4108kg/m2sec

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