多晶硅锭定向凝固过程的数值模拟 关键词：多晶硅锭；定向凝固过程；热场；数值模拟 [gap=771]Keywords：Polycrystalline silicon ingot；Directional solidification process；Thermal field；Numerical
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综述了相场模型在模拟合金定向凝固过程中的应用。
The validity of frozen temperature approximation could simplify the calculation in phase-field model in simulation.
为了获得高纯度的完整硅锭，探究和优化定向凝固过程非常重要。
It is very important to investigate and optimize the directional solidification process to obtain a high purity and integrated ingot.
本文探讨大温度梯度下铸件定向凝固过程数值模拟的一些规律性。
Some rules of computer numerical simulation for the directional solidification with steep temperature gradient have been found out.
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