A unified analysis of solidification in Bridgman crystal growth

Ming-Fang Lu

doi:10.1117/12.923549

12 April 2012 A unified analysis of solidification in Bridgman crystal growth

Ming-Fang Lu

Proceedings Volume 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering; 84092Z (2012) https://doi.org/10.1117/12.923549
Event: Third International Conference on Smart Materials and Nanotechnology in Engineering, 2011, Shenzhen, China

Abstract

The simulation of multiphase solidification process can be handled by combining the VOF (Volume of Fluid) transport equation, in which the continuum mechanics model is used to simulate the melt/solid interface and the conservation of mass, momentum, and energy. Because the melt phase, the solid phase, and the melt/solid interface are controlled by a single control equation; if the enthalpy model based on porosity concept represents the processing of the phase transformation range, it is possible to solve the problem of phase transformation in the same way as solving the single-phase problem. Once the energy field of enthalpy for each step in time is resolved, the position of the interface can be precisely calculated with the use of VOF equation. This type of novel VOF method can be applied to find out the conditions of vertical Bridgman crystal growing located on the earth or under microgravity.

Citation Download Citation

Ming-Fang Lu "A unified analysis of solidification in Bridgman crystal growth", Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 84092Z (12 April 2012); https://doi.org/10.1117/12.923549

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