Question: The diffusion coefficients for iron in nickel are given at two temperatures: (a) Determine the values of D0 and the activation energy Qd. (b) What

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

(a) Determine the values of D0 and the activation energy Qd.
(b) What is the magnitude of D at 1100ºC (1373 K)?

T(K) Ds) 1273 94 x 10 1473 2.4 x 1014 mis 1

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