Unformatted text preview: following phenomenological equations v v 1 1 µ ∇ − ∇ − = T L T L J A A AA A v vv v v 1 1 ∇ − ∇ − = T L T L J A A In general the vacancies are no in equilibrium, and hence v ≠ ∇ . Using the above two equations to show that , where A A A D x D v v = A A D is the self-diffusion coefficient of A in pure A , is the vacancy diffusion coefficient in A , and x A D v v is the local mole fraction of vacancies in pure A...
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This note was uploaded on 01/19/2010 for the course MAT SCI 503 taught by Professor Chen during the Spring '02 term at Penn State.
- Spring '02