Diffusion Flashcards
1
Q
What is interDiffusion?
A
In an alloy atoms tend to migrate from areas of high conc to areas of low conc
2
Q
What is selfDiffusion?
A
In an elemental solid, atoms change place in a solid
3
Q
What is vacancy diffusion?
A
atoms exchange with vacancies ( requires activation energy to happen).
4
Q
What is interstitial diffusion?
A
smaller atoms can diffuse between other atoms, Faster than vacancy diffusion
5
Q
What is case hardening?
A
carbon atoms diffuse into iron atoms at the surface
