Abstract
AbstractMany technologically useful materials are polycrystals composed of a myriad of small monocrystalline grains separated by grain boundaries. Dynamics of grain boundaries play a crucial role in determining the grain structure and defining the materials properties across multiple scales. In this work, we consider two models for the motion of grain boundaries with the dynamic lattice misorientations and the triple junctions drag, and we conduct extensive numerical study of the models, as well as present relevant experimental results of grain growth in thin films.KeywordsGrain growthGrain boundary networkTexture developmentLattice misorientationTriple junction dragEnergetic variational approachGeometric evolution equationsThin filmsGrain Boundary Character Distribution (GBCD)AMS74N15; 35R37; 53C44; 49Q20
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