Shape Factors of Spheroidal Precipitates for Stored Elastic and Interface Energies
10 Pages Posted: 5 Oct 2020
Improved treatment of thermodynamic modeling of precipitation kinetics makes it necessary to account for stored elastic and interface energy of non-spherical strengthening particles. The existing kinetic concepts available for spherical precipitates can directly be adapted to spheriodal precipitates by introducing shape factors, which may well approximate shapes differing from spheres. This paper provides shape factors for the stored elastic and interface energy within a wide range of aspect ratios as well as of elastic material properties.
Keywords: steels, precipitation, modeling, phase transformation kinetics, thermodynamics
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