Abstract

Dendritic microstructures control the properties of a wide range of advanced materials ranging from nickel-based superalloys used in turbine blades to lightweight aluminum-based alloys for the automotive industry. This article reviews recent progress in quantitative modeling dendritic growth through the combination of state-of-the-art atomistic and phase field simulations. Also shown is how the combination of these two distinct length-scale modeling approaches can yield a parameter-free prediction of the dendrite growth velocity as a function of undercooling for deeply undercooled nickel melts.

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