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Journal of Materials Science

, Volume 42, Issue 22, pp 9440–9446 | Cite as

Interfacial energy determination of nano-scale precipitates by CALPHAD description of Gibbs–Thomson effect

  • Sina Shahandeh
  • Hamed Arami
  • S. K. SadrnezhaadEmail author
Article

Abstract

A theory based on calculation of phase diagrams in the binary systems was developed that describes Gibbs–Thomson effect. In this model effect of both interfacial energy and interface confinement (Laplace–Young pressure) are included in energy shift of alloys and phases. By using the CALPHAD model, interfacial energy of Cu4Ti precipitates in Cu–Ti system was obtained which shows better consistency with experimental results of Gibbs–Thomson effect of 10–20 nm radius precipitates.

Keywords

Interfacial Energy Energy Shift CALPHAD Method Free Energy Curve Thomson Effect 

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Sina Shahandeh
    • 1
  • Hamed Arami
    • 1
  • S. K. Sadrnezhaad
    • 1
    Email author
  1. 1.Materials and Energy Research CenterTehranIran

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