3. Atomic diffusion
Note :
The laws and mechanisms of diffusion are discussed in greater detail in the article Diffusion in metals.
. In what follows, we will focus on the physical and microscopic origins of diffusion phenomena, drawing on the data in the previous paragraphs.
If a solid solution A
1 – c
B
c
, separated by a surface
into two areas of different concentrations, is heated for a sufficiently long time, progressive homogenization is observed: c decreases in the initially B-rich area and...
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Atomic diffusion