A statistical model for recrystallization and grain growth: application to the AISI 304 stainless steel

A mathematical model, able to describe the recrystallization and grain growth in metals, has been developed. Taking into account the classical constitutive equations of the Taylor's theory, the model involves only two free parameters (the dislocation density and the initial number of nuclei). Results from the model are here discussed in comparison with measurements performed on an AISI 304 stainless steel. The predictions of the model are in good agreement with experimental results. As cross check of the model prediction, the independent parameter ''dislocation density'' was found to properly correlate to the mechanical properties of the steel and to X-ray diffraction measurements, according to Taylor's and Debye's relations respectively. (orig.)