Rate Equations for Material Transport Driven by Excess Free Energy in Solid |
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| Journal | Key Engineering Materials (Volume 352) |
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| Volume | Innovation in Ceramic Science and Engineering |
| Edited by | Katsutoshi Komeya, Yohtaro Matsuo and Takashi Goto |
| Pages | 1-4 |
| DOI | 10.4028/www.scientific.net/KEM.352.1 |
| Citation | Hidehiko Tanaka, 2007, Key Engineering Materials, 352, 1 |
| Online since | August, 2007 |
| Authors | Hidehiko Tanaka |
| Keywords | Free Energy, Material Transport, Rate Equation, Sintering, Theory |
| Abstract | Diffusion phenomena in solid particles were analyzed with the new material transport concept. It was assumed that total excess free energy in a system acted as a driving force for material transport so that the system changed to an equilibrium state. The new rate equation was adopted to analyze shape change, sintering and growth of grains. It was found that surface energy or ratio of grain boundary energy to surface energy was key factor for shape changes in these processes. |
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