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Unformatted text preview: volume). In general: Q volume > Q grain boundary > Q surface D o volume < D o grain boundary < D o surface Usually the volume diffusion dominates, however, for fine grained materials Q grain boundary will dominate and for powders Q surface will....
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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.
- Spring '09