The diffusion coefficients for nickel in iron are given at two temperatures, as follows:
T(K) | D(m2/s) |
1473 | 2.2 × 10–15 |
1673 | 4.8 × 10–14 |
(a) Determine the values of D0 and the activation energy Qd.
(b) What is the magnitude of D at 1300°C (1573 K)?
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