At what temperature will the diffusion coefficient for the diffu

At what temperature will the diffusion coefficient for the diffusion of copper in nickel have a value of 6.5 × 10-17 m2/s. Use the diffusion data in Table 5.2.

Diffusing Species Host Activation Energy Qa Calculated Values Metal kJ/mol eVlatom TCC) D(mls) Fe a-Fe (BCC) 28 x 10-4 251 2.60 500 3.0 x 10-21 18 x 10-15 L1 x 10-17 78 x 10-16 24 x 10-12 1.7 x 10-10 5.9 x 10-12 53 x 10-11 4.2 x 10-19 900

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