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GTC Main Seminar: On the Topology of Steel November 21, 2017 (10:00 AM PST - 11:00 AM PST)
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Location: MSRI: Simons Auditorium
Speaker(s) Frank Lutz (TU Berlin)
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Polycrystalline materials, such as metals, are composed of crystal grains of varying size and shape. Typically, the occurring grain cells have the combinatorial types of 3-dimensional simple polytopes, and together they tile 3-dimensional space.

We will see that some of the occurring grain types are substantially more frequent than others - where the frequent types turn out to be "combinatorially round". Here, the classification of grain types gives us,  as an application of combinatorial low-dimensional topology, a new  starting point for a topological microstructure analysis of steel.

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