Question: (a) Calculate the diffusion coefficient for copper in aluminum at 500C. (b) What time will be required at 600C to produce the same diffusion result

(a) Calculate the diffusion coefficient for copper in aluminum at 500ºC.
(b) What time will be required at 600ºC to produce the same diffusion result (in terms of concentration at a specific point) as for 10 h at 500ºC?

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