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a) For a diffusion analysis where the temperature is not a fixed variable, calculate the diffusivity of nickel in iron at 800 degrees C.

b) Given the same situation as part a, estimate the flux of Ni atoms into the Fe if there is a drop in concentration from 8 - 6 at % between 3 and 4 mm from the surface. P y-Fe at 800 degrees C = 7.92 g/cm^3 Please do not answer with a link and please show your work.

Reference no: EM13608060

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