decreases with miniaturization � 2 decreases exponentially with T � Si P x JW

Decreases with miniaturization ? 2 decreases

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- decreases with miniaturization ( λ 2 ) - decreases exponentially with T λ Si P x
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J.W. Morris, Jr. University of California, Berkeley MSE 200A Fall, 2017 Influence of Microstructure on Diffusivity Interstitial species Usually no effect from microstructure Stress may enhance diffusion Substitutional species Raising vacancy concentration increases D Quenching from high T • Solutes • Irradiation Defects provide short-circuit paths Grain boundary diffusion • Dislocation core diffusion
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  • Fall '08
  • Staff
  • Thermodynamics, University of California, Phase transition, J.W. Morris

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