Abstract
Understanding and predicting the evolution of recrystallized microstructures is an important part of the Integrated Computational Materials Engineering (ICME) toolset required for magnesium alloys. In this study, the recrystallization behavior of a new magnesium-rare earth alloy, ZE20, was investigated at typical temperatures (i.e. 375 °C, and 425 °C). The characteristics of recrystallization in ZE20 were analyzed via microscopic observations. The recrystallization microstructure was characterized and quantified using a Grain Orientation Spread (GOS) technique based on electron back scatter diffraction (EBSD) scans. The evolution of texture and grain size during recrystallization at 425 °C was examined by EBSD analysis. Static recrystallization kinetics at both temperatures was obtained experimentally and modeled using the JMAK relationship.
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