Papers by Author: Tom Quested

Abstract: This paper contains a review of microstructural through-process modelling (TPM) and the particular role of ingot metallurgy from an industrial perspective, focusing on recent advances in solidification theory, solidification and homogenisation software, and software environments that allow models to interface. To illustrate how as-cast microstructure can impact on downstream processing steps, a sensitivity analysis has been performed on an AA1xxx alloy using an in-house homogenisation model. Thus, knowledge gaps in theory and model application are highlighted.

Abstract: Through-Process modelling (TPM) of microstructure evolution during thermomechanical processing of sheet produced from direct chill (DC) cast non-heat treatable aluminium alloys is discussed. In a companion paper [1] the upstream processes of casting and homogenisation were dealt with, whereas the present paper focuses on the downstream deformation and annealing steps. Some recent advances in relevant model development are reviewed, and the important microstructural descriptors and their interactions are outlined. Together with two application examples – coiling of hot strip, and cold rolling of foil – current knowledge gaps in theory and modelling capability are highlighted.