Graduate Students and Postdoctoral Fellows: Min Yu, George Bokas, Jason Maldonis, Ye Shen (UW-Madison)
Bulk metallic glasses are a new class of metal alloys with a variety of attractive properties. However, applications have lagged because scientists cannot predict which combinations of elements can be cooled from the liquid to yield a glassy atomic alloy structure in large sizes. This project will develop a new methodology for accelerated discovery of new metallic glasses with desired properties through tight integration of computation and experiment that advances the objectives of the Materials Genome Initiative.
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photo caption: MD simulations of a system in which supercooled liquid coexists with crystalline Al. Every system has been annealed at 700K for 0.20 ns. The plot shows the number of FCC atoms as a function of time (ns). Researchers found that increasing the Sm concentration inside the supercooled liquid delays (and even suppresses) the crystallization of glass formation.