Insights on Solidification of Mg and Mg-Al Alloys by Large Scale Atomistic Simulations

A Mahata and MA Zaeem, MAGNESIUM TECHNOLOGY 2020, 51-53 (2020).

DOI: 10.1007/978-3-030-36647-6_10

We investigate the evolution of solid-liquid interfaces in Mg and Mg-9 at % Al during directional solidification by molecular dynamics (MD) simulations. At the initial stages of solidification, several solidification defects such as twins, stacking faults, and grain boundaries form, and at the final stages of solidification no new defects or grain boundaries form. The directional solidification in Mg- Al contains a considerable amount of heterogeneity due to formation of several Mg17Al12 precipitates.

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