Role of elastic strain energy in spheroidal precipitates revisited

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Organisational units

External Organisational units

  • Institute of Physics of Materials of the Academy of Sciences of the Czech Republic
  • Institute of Materials Science and Technology


Improving the treatment of thermodynamic modelling of precipitation kinetics makes it necessary to account for the stored elastic and interface energies of non-spherical strengthening particles. The existing kinetic concepts available for spherical precipitates can be directly adapted to spheroidal precipitates by introducing shape factors, thus approximating shapes differing from spheres. This paper provides shape factors for the stored elastic and interface energies over a wide range of aspect ratios as well as of elastic material properties.


Original languageEnglish
Article number103781
Number of pages6
JournalMechanics of materials
Issue numberApril
Early online date2 Feb 2021
Publication statusPublished - Apr 2021