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Problem 4 Nitrogen from a gaseous phase is to be diffused into pure ( - phase ) FCC iron. ( 2 5 Points ) The
Problem
Nitrogen from a gaseous phase is to be diffused into pure phase FCC iron.
Points
The diffusion coefficient for nitrogen in phase iron at is
What is the diffusion preexponential if the diffusion activation energy is
empirically measured to be atom.
If the surface concentration is maintained at what will be the concentra
tion deep into the iron after minutes of exposure at
The Gaussian Error Function table is given below:
tablezerfzzerfzzerfz
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