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Evolution of grain structures and grain boundaries (GBs), especially the coincident site lattice GBs, during directional solidification of multi-crystalline silicon sheet are simulated by using a phase field model for the first time. Since the coincident site lattice GBs having lower mobility, tend to follow their own crystallographic directions despite thermal gradients, the anisotropic energy and...
The modeling of dendritic crystal growth of highly anisotropic materials is important in understanding the physics of nature phenomena, such as snow growth, and industrial processes, such as polycrystalline silicon growth. Phase-field modeling has emerged as a powerful tool in such a simulation, but the description of the anisotropic function for three-dimensional (3D) interfacial energy without miss-orientation...
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