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A computational thermodynamics approach to the Gibbs-Thomson effect

Shahandeh, S ; Sharif University of Technology | 2007

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  1. Type of Document: Article
  2. DOI: 10.1016/j.msea.2006.08.062
  3. Publisher: 2007
  4. Abstract:
  5. In two-phase system, curvature of interface leads to increase of solute concentration in matrix. This effect plays a significant role in solidification, precipitation, nucleation and growth and coarsening. There are number of models and formulas for Gibbs-Thomson effect in binary alloys. In this paper with the help of CALPHAD calculations, new approach for describing this effect in binary and multicomponent systems is proposed. In this generalized method no traditional simplifying assumption are considered and this yield to more accurate result for Gibbs-Thomson phenomenon. This model is compared with previous formulas in some case alloying systems. © 2006 Elsevier B.V. All rights reserved
  6. Keywords:
  7. Computational methods ; Gibbs free energy ; Interfaces (materials) ; Mathematical models ; Phase equilibria ; Gibbs-Thomson effect ; Interface boundary ; Multicomponent system ; Binary alloys
  8. Source: Materials Science and Engineering A ; Volume 443, Issue 1-2 , 2007 , Pages 178-184 ; 09215093 (ISSN)
  9. URL: https://www.sciencedirect.com/science/article/abs/pii/S092150930601776X