Question: Nitrogen from a gaseous phase is to be diffused into pure iron at 700C. If the surface concentration is maintained at 0.12 wt% N, what

Nitrogen from a gaseous phase is to be diffused into pure iron at 700C. If the surface concentration is maintained at 0.12 wt% N, what will be the concentration (in weight percent) 4.5 mm from the surface after 8.0 h? The diffusion coefficient for nitrogen in this iron at 700C is given 4.6 10-10 m2/s.

Nitrogen from a gaseous phase is to be diffused into pure iron

Nitrogen from a gaseous phase is to be diffused into pure iron at 700C. If the surface concentration is maintained at 0.12wt%N, what will be the concentration (in weight percent) 4.5mm from the surface after 8.0h ? The diffusion coefficient for nitrogen in this iron at 700C is given 4.61010 m2/s

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