Q39
A species can diffuse through the lattice (diffusion coefficient, DL), along grain boundaries (diffusion coefficient, DGB), and along free surface. (diffusion coefficient, Ds), Which of the following relations is correct?
A.
Dl > DGB > Ds
B.
Ds > DL > DGB
C.
DGB > Ds > Dl
D.
Ds > DGB > DL
AnswerAnswer: Option D
Solution
Answer: Option D
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