Solute Drag and Entropy Production - Two Approaches to the Same Phenomenon |
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| Journal | Materials Science Forum (Volumes 467 - 470) |
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| Volume | Recrystallization and Grain Growth |
| Edited by | B. Bacroix, J.H. Driver, R. Le Gall, Cl. Maurice, R. Penelle, H. Réglé and L. Tabourot |
| Pages | 3-10 |
| DOI | 10.4028/www.scientific.net/MSF.467-470.3 |
| Citation | Mats Hillert, 2004, Materials Science Forum, 467-470, 3 |
| Online since | October, 2004 |
| Authors | Mats Hillert |
| Keywords | Diffusion, Driving Force, Phase Transformation, Recrystallization, Solute Drag |
| Abstract | The historical development of the two approaches to the interaction between solute atoms and a migrating interface, based on dissipation of Gibbs energy and on solute drag, are reviewed and compared. In the way the solute drag was formulated long ago for recrystallization and grain growth, it does not apply to phase transformations. With a new solute drag equation, which was recently proposed, it turns out that the two approaches are completely equivalent for phase transformations as well as grain boundary migration. |
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