A diffusional reaction in a multi-component system in which atoms are transported
to the growing nuclei by
diffusion over relatively large distances in the parent phase and during which the mean composition
of the parent phase changes continuously towards its equilibrium value. Synonymous
with
nucleation and growth.
Source:
PAC, 1994, 66, 577
(Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations
1994))
on page 580