5.2 - a function of many variables 1 temperature 2 time 3 position in the solid 4 diffusion mechanism(vacancy interstitialcy interdiffusion

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Interdiffusion is the diffusion of an atomic species that is different than the atoms of the crystal lattice that they are moving through. Self-diffusion is the diffusion of an atom in its own crystal lattice. Fick’s Laws quantify the process of diffusion Diffusion is a complicated thing to quantify and describe because it is
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Unformatted text preview: a function of many variables: 1. temperature 2. time 3. position in the solid 4. diffusion mechanism (vacancy, interstitialcy, interdiffusion, self-diffusion) 5. crystal structure of the solvent 6. path of diffusion (surface, grain boundary, volume, dislocation) 7. concentration of the solute (usually negligible)...
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This note was uploaded on 08/10/2009 for the course ENGN 45 taught by Professor Wendy during the Spring '09 term at City College of San Francisco.

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