Nitrogen from a gaseous phase is to be diffused into pure
Chapter 5, Problem 5.15(choose chapter or problem)
Nitrogen from a gaseous phase is to be diffused into pure iron at 675C. If the surface concentration is maintained at 0.2 wt% N, what will be the concentration 2 mm from the surface after 25 h? The diffusion coefficient for nitrogen in iron at 675C is 2.8 1011 m2 /s.
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