Abstract
Two features associated with the interpretation of thermoanalytical crystallization experiments are investigated. First, the generality of the assumption of site saturation is examined. Since this assumption produces a major simplification of the exact expression for the volume fraction crystallized, the domain of applicability of this approximation is explored. Homogeneous crystal nucleation is examined and a broad range of crystallization parameters are considered. Next, an examination is given of a class of models which invoke an Arrhenian assumption for K( T), the crystallization rate constant, and determine crystallization activation energies from plots of ln(ln(1− X) −1) versus 1 T . Finally, a discussion is presented of the physical interpretation of the activation energies.
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