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  3. problem 4 20 points the diffusion constant do for carbon...

Question: problem 4 20 points the diffusion constant do for carbon...

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Problem 4: (20 points) The diffusion constant Do for carbon in FCC iron is 2 x 10-5 m/sec and the activation energy is 142 kJ/mol while the diffusion constant for carbon diffusion in BCC iron is 22 x 10 m2/sec with the activation energy of 122 KJ/mol. Find the Diffusivity (or diffusion coefficient) of carbon iron in both the FCC and BCC structures at 500 and 1000 C. Given the gas constant R-8.314 Jmol.K
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