Influence of anisotropic grain boundary properties on the evolution of grain boundary character distribution during grain growth—a 2D level set study

摘要: The present study elaborates on a 2D level set model of polycrystal microstructures that was recently established by adding the influence anisotropic grain boundary energy and mobility microstructure evolution. new is used to trace evolution character distribution during growth. employed formulation conveniently allows characteristics be quantified in terms coincidence site lattice (CSL) type per unit length, providing measure such boundaries. In model, both boundaries are allowed vary with misorientation. addition, initial texture studied comparing results obtained from random against initially has cube texture. It shown proposed can readily incorporate properties simulation further show only have minor CSL As considered, most prominent changes distributions an increase general low-angle Σ1 as well more stable presence Σ3 observations also hold for case cube-textured polycrystal. this kind little over distribution. Taking into consideration anisotropy properties, growth alone does not seem sufficient promote any significantly increased overall