Question: Introduction to material science Nitrogen from a gaseous phase is to be diffused into pure iron at 700C. If the surface concentration is maintained at

Introduction to material science

Nitrogen from a gaseous phase is to be diffused into pure iron at 700C. If the surface concentration is maintained at 0.1 wt% N, what will be the concentration 1 mm from the surface after 10 h? The diffusion coefficient for nitrogen in iron at 700C is 2.5 10 m/s. (5 points)

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