MATERIALS SCIENCE AND ENGINEERING

DMSE Colloquia, Fall 2009

Tuesday, November 10, 2009 | 10:00 AM | 411 White Building

Bicrystal Study on Grain Boundary Diffusion in &alpha-Al₂O₃

Tsubasa Nakagawa

Department of Material Science and Engineering
Case Western Reserve University
Cleveland, OH 44106-7204
U.S.A.

Abstract:

Bicrystals, which are made by joining to single crystals with specific crystallographic orientations, are useful for structure and property characterization of single grain boundaries, thus the understanding of mechanisms of grain boundary properties. In this colloquium, the results of grain boundary diffusion in α-Al₂O₃ bicrystals with a SIMS-tracer method will be presented together with the structural characterization via HRTEM, and the mechanisms of grain boundary diffusion will be discussed.

Coffee and doughnuts will be served from 9:30 AM.

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