© Philip Joyce 2020
P. JoycePractical Numerical C Programminghttps://doi.org/10.1007/978-1-4842-6128-6_12

12. Diffusion Lattice Model

Philip Joyce1 
(1)
Goostrey, UK
 

12.1 Vacancy Lattice Diffusion

This is a simplified model of the structure of atoms in solids which allows us to demonstrate their movement. There are different types of diffusion. The type we will be looking at is vacancy diffusion.

Different solids have different molecular structure, and some of the more common structures have a name, for example, “primitive cubic,” “face-centered cubic,” and “body-centered cubic.”
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Figure 12-1

Primitive cube and 2D equivalent

The Primitive cubic is shown as ...

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