Interpretation:
The carbon content at 0.01 cm, 0.05 cm and 0.10 cm length surface after 1 hour needs to be calculated, if a carburizing process is formed on a 0.10 % C steel with 1.0 % C at 9800Cand if the iron is FCC.
Concept introduction:
Fick's second law equation based on boundary condition is given by the following relation:
Here,
Cs = constant concentration of diffusion atom
Cx = diffusion concentration atom at location x
Co = initial concentration of diffusion atom
T = time
D = diffusion coefficient
Also, diffusion coefficient according to Arrhenius type equation is given as follows:
Here,
D = diffusion coefficient
Do = constant
Q = activation energy
R = gas constant
T = absolute temperature
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Chapter 5 Solutions
Essentials Of Materials Science And Engineering
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