Question: The diffusion coefficients for iron in nickel are given at two temperatures: (a) Determine the values of D 0 and the activation energy Q d

The diffusion coefficients for iron in nickel are given at two temperatures:

D (m?/s) T (K) 9.4 x 10-16 1273 1473 2.4 x 10-14

(a)       Determine the values of D0 and the activation energy Qd.

(b)       What is the magnitude of D at 1100ºC (1373 K)?


D (m?/s) T (K) 9.4 x 10-16 1273 1473 2.4 x 10-14

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